Average Weather in September in Andrews Indiana, United States
In Andrews, the month of September is characterized by rapidly falling daily high temperatures, with daily highs decreasing by 10°F, from 80°F to 71°F over the course of the month, and rarely exceeding 88°F or dropping below 59°F.
Daily low temperatures decrease by 10°F, from 61°F to 51°F, rarely falling below 40°F or exceeding 70°F.
For reference, on July 19, the hottest day of the year, temperatures in Andrews typically range from 66°F to 84°F, while on January 29, the coldest day of the year, they range from 20°F to 33°F.
Average High and Low Temperature in September
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on September. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in September
The month of September in Andrews experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 35% throughout the month.
The clearest day of the month is September 1, with clear, mostly clear, or partly cloudy conditions 67% of the time.
For reference, on January 26, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.
Cloud Cover in September
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Andrews, the chance of a wet day over the course of September is rapidly decreasing, starting the month at 32% and ending it at 25%.
For reference, the year's highest daily chance of a wet day is 40% on May 28, and its lowest chance is 18% on February 5.
Probability of Precipitation in September
The average sliding 31-day rainfall during September in Andrews is gradually decreasing, starting the month at 3.0 inches, when it rarely exceeds 5.2 inches or falls below 1.1 inches, and ending the month at 2.7 inches, when it rarely exceeds 4.5 inches or falls below 1.2 inches.
Average Monthly Rainfall in September
Over the course of September in Andrews, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 17 minutes, implying an average daily decrease of 2 minutes, 40 seconds, and weekly decrease of 18 minutes, 41 seconds.
The shortest day of the month is September 30, with 11 hours, 47 minutes of daylight and the longest day is September 1, with 13 hours, 5 minutes of daylight.
Hours of Daylight and Twilight in September
The earliest sunrise of the month in Andrews is 7:09 AM on September 1 and the latest sunrise is 29 minutes later at 7:38 AM on September 30.
The latest sunset is 8:14 PM on September 1 and the earliest sunset is 49 minutes earlier at 7:25 PM on September 30.
Daylight saving time is observed in Andrews during 2017, but it neither starts nor ends during September, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:10 AM and sets 15 hours, 7 minutes later, at 9:17 PM, while on December 21, the shortest day of the year, it rises at 8:03 AM and sets 9 hours, 14 minutes later, at 5:17 PM.
Sunrise & Sunset with Twilight in September
The chance that a given day will be muggy in Andrews is very rapidly decreasing during September, falling from 31% to 5% over the course of the month.
For reference, on July 27, the muggiest day of the year, there are muggy conditions 49% of the time, while on November 16, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in September
The average hourly wind speed in Andrews is gradually increasing during September, increasing from 4.2 miles per hour to 5.1 miles per hour over the course of the month.
For reference, on January 15, the windiest day of the year, the daily average wind speed is 6.8 miles per hour, while on August 4, the calmest day of the year, the daily average wind speed is 3.9 miles per hour.
Average Wind Speed in September
Wind Direction in September
The average daily incident shortwave solar energy in Andrews is decreasing during September, falling by 1.3 kWh, from 5.7 kWh to 4.4 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in September
For the purposes of this report, the geographical coordinates of Andrews are 40.863 deg latitude, -85.602 deg longitude, and 787 ft elevation.
The topography within 2 miles of Andrews contains only modest variations in elevation, with a maximum elevation change of 141 feet and an average elevation above sea level of 749 feet. Within 10 miles also contains only modest variations in elevation (256 feet). Within 50 miles contains only modest variations in elevation (574 feet).
The area within 2 miles of Andrews is covered by cropland (83%) and trees (15%), within 10 miles by cropland (86%), and within 50 miles by cropland (92%).
This report illustrates the typical weather in Andrews year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 6 weather stations near enough to contribute to our estimation of the temperature and dew point in Andrews.
For each station, the records are corrected for the elevation difference between that station and Andrews according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Andrews is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Andrews and a given station.
The stations contributing to this reconstruction are: Fort Wayne International Airport (28%, 35 kilometers, east); Warsaw Municipal Airport (17%, 50 kilometers, northwest); Grissom Air Force Base / Peru (16%, 52 kilometers, southwest); Kokomo Municipal Airport (15%, 54 kilometers, southwest); Fulton County Airport (15%, 54 kilometers, northwest); and Delaware County Regional Airport (10%, 72 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .