Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In September, Pittsfield experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 78.3°F (25.7°C), closely mirroring the climate in August. Pittsfield encounters an average low-temperature of 58.6°F (14.8°C) during September nights.Humidity
The average relative humidity in September in Pittsfield is 74%.Rainfall
In September, in Pittsfield, the rain falls for 10.5 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Pittsfield, there are 128.8 rainfall days, and 18.35" (466mm) of precipitation is accumulated.Snowfall
In Pittsfield, snow does not fall in May through October.Daylight
In September, the average length of the day in Pittsfield is 12h and 26min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's recommended to limit sun exposure when its radiation is at its peak during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What are the temperatures in Pittsfield in September?
What is the average humidity in September in Pittsfield?
How much does it rain in Pittsfield in September?
When it does not snow in Pittsfield?
How many hours of daylight does Pittsfield have in September?
When is the sunrise / sunset in September in Pittsfield?
How many hours of sunshine does Pittsfield have in September?
What is the UV index intensity in September in Pittsfield?
Average temperature in September
Pittsfield, IL
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Pittsfield, IL
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Pittsfield, IL
- Average wind speed in September: 6.8mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in September
Pittsfield, IL
- Average humidity in September: 74%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Pittsfield, IL
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Pittsfield, IL
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in September
Pittsfield, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Pittsfield, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Pittsfield, IL
- Average daylight in September: 12h and 2min
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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Pittsfield, IL
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Pittsfield, 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
Pittsfield, IL
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in September
Pittsfield, IL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Pittsfield, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
