September weather forecastPine Lake, WI
September
Weather in September
September, the first month of the autumn in Pine Lake, is still a comfortable month, with an average temperature ranging between min 49.8°F (9.9°C) and max 66.7°F (19.3°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 74.3°F (23.5°C) to an enjoyable 66.7°F (19.3°C). The nighttime temperature dips to a chilly 49.8°F (9.9°C) on average during September.Humidity
In Pine Lake, the average relative humidity in September is 79%.Rainfall
In Pine Lake, during September, the rain falls for 12.8 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 104.6 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:38 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:41 pm CDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Take precautions - Protection against sun damage is advised. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pine Lake, WI
- Average high temperature in September: 66.7°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in September
Pine Lake, WI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Pine Lake, WI
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are January and November (9.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7mph).
Average humidity in September
Pine Lake, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Pine Lake, WI
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in September
Pine Lake, WI
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Pine Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pine Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pine Lake, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Pine Lake, WI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Pine Lake, 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, November and December (UV index 1).
Average cloud cover in September
Pine Lake, WI
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Pine Lake, WI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).





