September weather forecastPawnee, IL
September
Weather in September
The first month of the autumn, September, is still a warm month in Pawnee, Illinois, with an average temperature ranging between min 58.6°F (14.8°C) and max 77.4°F (25.2°C).Temperature
Pawnee's weather in September indicates an average high-temperature of a still moderately hot 77.4°F (25.2°C), nearly consistent with the 82°F (27.8°C) of August. An average low-temperature of 58.6°F (14.8°C) is recorded during the nights in September.Humidity
The average relative humidity in September is 75%.Rainfall
In Pawnee, in September, during 11.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Pawnee, during the entire year, the rain falls for 132.4 days and collects up to 20.75" (527mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September in Pawnee is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pawnee, IL
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in September
Pawnee, 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
Pawnee, IL
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in September
Pawnee, IL
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Pawnee, IL
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in September
Pawnee, IL
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Pawnee, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Pawnee, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7 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
Pawnee, IL
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Pawnee, IL
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Pawnee, IL
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Pawnee, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in September
Pawnee, 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).
