September weather forecastElmwood Park, WI
September
Weather in September
September, the first month of the autumn in Elmwood Park, is still a pleasant month, with an average temperature ranging between min 59.5°F (15.3°C) and max 69.1°F (20.6°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 75°F (23.9°C) in August to an agreeable 69.1°F (20.6°C). During September, Elmwood Park records a consistent average nighttime temperature of 59.5°F (15.3°C).Humidity
In Elmwood Park, the average relative humidity in September is 77%.Rainfall
In Elmwood Park, in September, during 10.6 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Elmwood Park, during the entire year, the rain falls for 119.1 days and collects up to 10.39" (264mm) of precipitation.Snowfall
In Elmwood Park, snow does not fall in June through September.Daylight
In Elmwood Park, the average length of the day in September is 12h and 29min.On the first day of September in Elmwood Park, Wisconsin, sunrise is at 6:16 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In Elmwood Park, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Elmwood Park, WI
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is August (66°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Elmwood Park, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Elmwood Park, WI
- Average wind speed in September: 9.8mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in September
Elmwood Park, WI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
Elmwood Park, WI
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in September
Elmwood Park, WI
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Elmwood Park, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Elmwood Park, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Elmwood Park, 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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Elmwood Park, WI
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (18.7 days).
The month with the least sunshine days is July (13.5 days).
Average UV index in September
Elmwood Park, WI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Elmwood Park, WI
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Elmwood Park, WI
- 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).





