September weather forecastFenton, IL
September
Weather in September
September, the first month of the autumn in Fenton, is still a warm month, with an average temperature ranging between max 74.7°F (23.7°C) and min 55.9°F (13.3°C).Temperature
Fenton indicates an average high-temperature of a still warm 74.7°F (23.7°C) in September, showing minor variation from August's 79.9°F (26.6°C). In Fenton, the nighttime temperature averages to a refreshing 55.9°F (13.3°C) during September.Humidity
The average relative humidity in September in Fenton is 77%.Rainfall
In September, in Fenton, the rain falls for 11.3 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Fenton, during the entire year, the rain falls for 145.7 days and collects up to 27.91" (709mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Fenton is 12h and 28min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:32 pm. On the last day of September, in Fenton, Illinois, sunrise is at 6:56 am and sunset at 6:42 pm CDT.
Sunshine
In Fenton, the average sunshine in September is 9.2h.UV index
In Fenton, Illinois, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fenton, IL
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in September
Fenton, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Fenton, IL
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Fenton, IL
- Average humidity in September: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Fenton, IL
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Fenton, IL
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Fenton, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fenton, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fenton, IL
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Fenton, IL
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Fenton, IL
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Fenton, IL
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Fenton, IL
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
