September weather forecastFremont, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Fremont, Wisconsin, with an average temperature varying between 50.9°F (10.5°C) and 69.4°F (20.8°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a warm 77.4°F (25.2°C) in August to a pleasant 69.4°F (20.8°C). Fremont's September nights cool down to an average low-temperature of 50.9°F (10.5°C).Humidity
In Fremont, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 102.8 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
In Fremont, snow does not fall in June through September.Daylight
In Fremont, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:19 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:37 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during September translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fremont, WI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Fremont, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Fremont, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Fremont, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Fremont, WI
- Average rainfall in September: 0.75"
The wettest months (with the highest rainfall) are May and June (1.42").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Fremont, WI
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Fremont, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Fremont, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fremont, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Fremont, WI
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in September
Fremont, WI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Fremont, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Fremont, WI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





