September 2020 Weather History in San Luis Colorado, United States

The data for this report comes from the San Luis Valley Regional Airport. See all nearby weather stations

This report shows the past weather for San Luis, providing a weather history for September 2020. It features all historical weather data series we have available, including the San Luis temperature history for September 2020. You can drill down from year to month and even day level reports by clicking on the graphs.

San Luis Temperature History September 2020

Temperature history in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303020°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°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 2020 in San Luis

Hourly Temperature in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMAugOctfreezingvery coldcoldwarmhotcomfortablecool
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 2020 in San Luis

Cloud Cover in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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.

Daily Precipitation in September 2020 in San Luis

Daily Precipitation in September 2020 in San Luis181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inAugOct
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in September 2020 in San Luis

The daily measured snow depth, where available.

Observed Weather in September 2020 in San Luis

Observed Weather in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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
Tue, Sep 1 Thunderstorm in the Vicinity, Light Rain0.01 inVCTS, -RA
Wed, Sep 2 Light Snow0.00 in-SN
Mon, Sep 7 Light Rain, Haze0.00 inIWC61, IWCA61, -RA, IWC05, HZ
Tue, Sep 8 Snow, Light Snow, Light Rain, Haze, Freezing Fog, Mist0.66 inIWC73, IWCA72, SN, IWC71, IWCA71, -SN, IWC61, IWCA61, -RA, IWC05, HZ, IWCA35, FZFG, IWCA10, BR
Wed, Sep 9 Heavy Snow, Snow, Light Snow, Heavy Rain, Rain, Light Rain, Freezing Fog, Mist0.64 inIWCA73, +SN, IWC73, IWCA72, SN, IWC71, IWCA71, -SN, IWC65, IWCA63, +RA, IWCA62, RA, IWC63, IWC61, IWCA61, -RA, IWCA35, FZFG, IWCA10, BR
Thu, Sep 10 Light Snow, Mist, Precipitation, Unknown Precipitation0.11 inIWC71, IWCA71, -SN, IWCA10, BR, IWCA41, UP
Fri, Sep 11 Fog, Freezing Fog, Mist0.00 inIWCA30, FG, IWCA35, FZFG, IWCA10, BR
Fri, Sep 18 Light Rain0.00 in-RA
Tue, Sep 22 HazeHZ
Sun, Sep 27 HazeHZ

Hours of Daylight and Twilight in September 2020 in San Luis

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 2020 in San Luis

The solar day over the course of September 2020. 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 2020 in San Luis

Solar Elevation and Azimuth in September 2020 in San LuisSep11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 AMAugOct0010102020303040405050001010202030304040505060
northeastsouthwest
Solar elevation and azimuth over the course of September 2020. 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 2020 in San Luis

Moon Rise, Set & Phases in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAugOctSep 111:23 PMSep 111:23 PMSep 175:01 AMSep 175:01 AMOct 13:06 PMOct 13:06 PM7:42 PM7:42 PM6:48 AM6:48 AM6:49 AM6:49 AM7:44 PM7:44 PM7:05 PM7:05 PM7:33 AM7:33 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 2020IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
100%-5:48 AMWSW7:42 PMESE12:29 AMS246,332 mi
2
100%-6:48 AMWSW8:10 PME1:14 AMS248,184 mi
3
99%-7:46 AMW8:36 PME1:57 AMS249,774 mi
4
96%-8:43 AMW9:01 PME2:38 AMS251,015 mi
5
91%-9:40 AMW9:26 PME3:19 AMS251,802 mi
6
85%-10:36 AMWNW9:53 PMENE3:59 AMS252,026 mi
7
77%-11:33 AMWNW10:21 PMENE4:40 AMS251,587 mi
8
68%-12:31 PMWNW10:54 PMENE5:24 AMS250,412 mi
9
59%-1:30 PMWNW11:31 PMENE6:09 AMS248,468 mi
10
50%-2:29 PMWNW-6:58 AMS245,784 mi
11
38%12:15 AMENE3:26 PMWNW-7:50 AMS242,461 mi
12
28%1:07 AMENE4:20 PMWNW-8:44 AMS238,680 mi
13
19%2:06 AMENE5:10 PMWNW-9:40 AMS234,704 mi
14
11%3:12 AMENE5:54 PMWNW-10:36 AMS230,859 mi
15
4%4:23 AMENE6:34 PMWNW-11:32 AMS227,496 mi
16
1%5:35 AMENE7:10 PMWNW-12:26 PMS224,946 mi
17
0%6:49 AME7:44 PMW-1:19 PMS223,460 mi
18
3%8:02 AME8:17 PMW-2:11 PMS223,163 mi
19
9%9:16 AME8:50 PMWSW-3:04 PMS224,037 mi
20
17%10:30 AMESE9:27 PMWSW-3:58 PMS225,930 mi
21
27%11:42 AMESE10:07 PMWSW-4:55 PMS228,591 mi
22
38%12:53 PMESE10:52 PMWSW-5:52 PMS231,728 mi
23
50%1:59 PMESE11:43 PMWSW-6:51 PMS235,053 mi
24
61%2:58 PMESE--7:49 PMS238,329 mi
25
71%-12:39 AMWSW3:50 PMESE8:45 PMS241,382 mi
26
80%-1:39 AMWSW4:35 PMESE9:37 PMS244,109 mi
27
88%-2:40 AMWSW5:12 PMESE10:27 PMS246,462 mi
28
94%-3:41 AMWSW5:45 PMESE11:12 PMS248,429 mi
29
98%-4:41 AMWSW6:13 PMESE11:56 PMS250,013 mi
30
99%-5:39 AMW6:40 PME--

Humidity Comfort Levels in September 2020 in San Luis

Humidity Comfort Levels in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 2020 in San Luis

Wind Speed in September 2020 in San Luis181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930300 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphAugOct
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in September 2020 in San Luis

Hourly Wind Speed in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 2020 in San Luis

Hourly Wind Direction in 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303012 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 2020 in San Luis

Atmospheric Pressure in September 2020 in San Luis1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303029.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHg30.6 inHg30.6 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 San Luis Valley Regional Airport page.

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