September weather forecastBaldwin, WI
September
Weather in September
September, the first month of the autumn in Baldwin, is also an agreeable month, with an average temperature fluctuating between 70°F (21.1°C) and 50.9°F (10.5°C).Temperature
The arrival of September corresponds with a light shift in temperature, down from a warm 76.3°F (24.6°C) in August to a pleasant 70°F (21.1°C). During September, Baldwin records a consistent average nighttime temperature of 50.9°F (10.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Baldwin, Wisconsin, during September, the rain falls for 10.2 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Baldwin, during the entire year, the rain falls for 99.2 days and collects up to 12.17" (309mm) of precipitation.Snowfall
June through September are months without snowfall in Baldwin.Daylight
The average length of the day in September in Baldwin is 12h and 31min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September in Baldwin is 8.5h.UV index
In Baldwin, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
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. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Baldwin, WI
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Baldwin, WI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Baldwin, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Baldwin, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Baldwin, WI
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Baldwin, WI
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (14.8 days).
The month with the least rainy days is February (1 days).
Average snowfall in September
Baldwin, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Baldwin, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Baldwin, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Baldwin, WI
- Average sunshine days in September: 18 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Baldwin, WI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Baldwin, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Baldwin, WI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
