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September 2017 Weather History in American Samoa American Samoa

The data for this report comes from the Pago Pago International Airport. See all nearby weather stations

This report shows the past weather for American Samoa, providing a weather history for September 2017. It features all historical weather data series we have available, including the American Samoa temperature history for September 2017. You can drill down from year to month and even day level reports by clicking on the graphs.

American Samoa Temperature History September 2017

History:20192018JFMAMJJASepOND20162015
Temperature history in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303072°F72°F74°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°F90°F90°FAugOct
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Hourly Temperature in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOctwarmhot
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Cloud Cover in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOct
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Observed Weather in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Observed Weather in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOct
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Fri, Sep 1 Showers of Light Rain-SHRA
Sat, Sep 2 Showers of Light Rain-SHRA
Sun, Sep 3 Showers of Light Rain-SHRA
Mon, Sep 4 Showers of Light Rain-SHRA
Wed, Sep 6 Showers of Light Rain-SHRA
Fri, Sep 8 Showers of Light Rain-SHRA
Sat, Sep 16 Showers of Light Rain-SHRA
Mon, Sep 18 Showers of Light Rain-SHRA
Tue, Sep 19 Showers of Light Rain-SHRA
Wed, Sep 20 Showers of Light Rain-SHRA
Fri, Sep 22 Showers of Heavy Rain, Showers of Light Rain+SHRA, -SHRA
Sat, Sep 23 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain, Showers in the Vicinity+SHRA, SHRA, -SHRA, VCSH
Sun, Sep 24 Showers of Light Rain-SHRA
Mon, Sep 25 Showers of Light Rain-SHRA
Tue, Sep 26 Showers of Light Rain-SHRA
Wed, Sep 27 Showers of Heavy Rain, Showers of Rain, Showers of Light Rain+SHRA, SHRA, -SHRA
Thu, Sep 28 Showers of Light Rain-SHRA
Fri, Sep 29 Showers of Light Rain-SHRA
Sat, Sep 30 Showers of Light Rain-SHRA

Hours of Daylight and Twilight in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Hours of Daylight and Twilight in September 2017 in American Samoa181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAugOctSep 2212 hr, 6 minSep 2212 hr, 6 mindaydaydaydaynightSep 111 hr, 51 minSep 111 hr, 51 minSep 3012 hr, 13 minSep 3012 hr, 13 minSep 1111 hr, 58 minSep 1111 hr, 58 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Sunrise & Sunset with Twilight in September 2017 in American Samoa181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930302 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMAugOct6:01 AM6:01 AMSep 306:14 PMSep 306:14 PM6:22 AM6:22 AMSep 16:13 PMSep 16:13 PM6:15 AM6:15 AMSep 116:13 PMSep 116:13 PM6:07 AM6:07 AMSep 216:13 PMSep 216:13 PM
The solar day over the course of September 2017. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Solar Elevation and Azimuth in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Solar Elevation and Azimuth in September 2017 in American SamoaSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMAugOct0010102020303040405050606070001010202030304040505060607070
northeastsouthwest
Solar elevation and azimuth over the course of September 2017. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Moon Rise, Set & Phases in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctSep 58:04 PMSep 58:04 PMSep 196:31 PMSep 196:31 PMOct 57:41 AMOct 57:41 AM6:06 PM6:06 PM6:46 AM6:46 AM5:57 AM5:57 AM6:11 PM6:11 PM5:42 PM5:42 PM6:07 AM6:07 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Sep 2017IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
85%-2:57 AMWSW2:39 PMESE9:12 PMS248,281 mi
2
91%-3:44 AMWSW3:30 PMESE10:01 PMS246,086 mi
3
96%-4:31 AMWSW4:21 PMESE10:50 PMS243,576 mi
4
99%-5:17 AMWSW5:14 PMESE11:38 PMN240,952 mi
5
100%-6:02 AMW6:06 PME--
6
100%-6:46 AMW6:59 PME12:27 AMN238,402 mi
7
98%-7:30 AMW7:53 PME1:15 AMN236,079 mi
8
94%-8:14 AMW8:48 PME2:04 AMN234,090 mi
9
87%-9:00 AMW9:44 PME2:54 AMN232,488 mi
10
79%-9:48 AMWNW10:42 PMENE3:46 AMN231,281 mi
11
68%-10:38 AMWNW11:41 PMENE4:40 AMN230,450 mi
12
50%-11:31 AMWNW-5:36 AMN229,968 mi
13
45%12:40 AMENE12:28 PMWNW-6:34 AMN229,820 mi
14
33%1:39 AMENE1:26 PMWNW-7:33 AMN230,014 mi
15
23%2:37 AMENE2:25 PMWNW-8:31 AMN230,583 mi
16
13%3:32 AMENE3:24 PMWNW-9:28 AMN231,568 mi
17
7%4:23 AMENE4:22 PMWNW-10:23 AMN233,003 mi
18
2%5:11 AME5:17 PMW-11:14 AMN234,888 mi
19
0%5:57 AME6:11 PMW-12:04 PMN237,176 mi
20
1%6:40 AME7:03 PMW-12:51 PMN239,760 mi
21
4%7:22 AME7:54 PMW-1:38 PMN242,482 mi
22
9%8:04 AME8:44 PMW-2:23 PMN245,146 mi
23
15%8:45 AMESE9:34 PMWSW-3:09 PMN247,541 mi
24
23%9:28 AMESE10:23 PMWSW-3:54 PMS249,466 mi
25
32%10:11 AMESE11:12 PMWSW-4:41 PMS250,744 mi
26
41%10:56 AMESE--5:28 PMS251,244 mi
27
50%-12:01 AMWSW11:42 AMESE6:16 PMS250,897 mi
28
61%-12:49 AMWSW12:31 PMESE7:04 PMS249,699 mi
29
70%-1:37 AMWSW1:20 PMESE7:52 PMS247,721 mi
30
79%-2:23 AMWSW2:11 PMESE8:41 PMS245,104 mi

Humidity Comfort Levels in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Humidity Comfort Levels in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOct
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Wind Speed in September 2017 in American Samoa181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mph20 mph20 mph25 mph25 mph30 mph30 mph35 mph35 mph40 mph40 mphAugOct
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Hourly Wind Speed in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOct
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.

Hourly Wind Direction in 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Hourly Wind Direction in 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOct
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in September 2017 in American Samoa

History:20192018JFMAMJJASepOND20162015
Atmospheric Pressure in September 2017 in American Samoa1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303029.75 inHg29.75 inHg29.80 inHg29.80 inHg29.85 inHg29.85 inHg29.90 inHg29.90 inHg29.95 inHg29.95 inHg30.00 inHg30.00 inHg30.05 inHg30.05 inHgAugOct
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

The details of the data sources used for this report can be found on the Pago Pago International Airport page.

See all nearby weather stations

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