September weather forecastElkhart, IL
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Elkhart, Illinois, with an average temperature fluctuating between 58.5°F (14.7°C) and 77°F (25°C).Temperature
September's onset brings an average high-temperature of a still warm 77°F (25°C), showing a minute difference from August's 81.3°F (27.4°C). The nighttime temperature dips to a refreshing 58.5°F (14.7°C) on average during September.Humidity
In September, the average relative humidity is 76%.Rainfall
In Elkhart, during September, the rain falls for 11.8 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Elkhart, during the entire year, the rain falls for 141.8 days and collects up to 22.24" (565mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:26 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Elkhart, IL
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Elkhart, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Elkhart, IL
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Elkhart, IL
- Average humidity in September: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Elkhart, IL
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in September
Elkhart, IL
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in September
Elkhart, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Elkhart, IL
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Elkhart, IL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Elkhart, IL
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Elkhart, IL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Elkhart, IL
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in September
Elkhart, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





