September weather forecastEastman, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Eastman, Wisconsin, with an average temperature fluctuating between 71.8°F (22.1°C) and 52.2°F (11.2°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 78.6°F (25.9°C) in August to a pleasant 71.8°F (22.1°C). In Eastman, the average nighttime temperature during September is a fresh 52.2°F (11.2°C).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 10.8 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Eastman, during the entire year, the rain falls for 124.7 days and collects up to 22.56" (573mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Eastman, sunrise is at 6:29 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine in Eastman is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eastman, WI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in September
Eastman, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Eastman, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Eastman, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Eastman, WI
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Eastman, WI
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Eastman, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Eastman, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Eastman, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Eastman, WI
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in September
Eastman, WI
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Eastman, WI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Eastman, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





