September weather forecastPlainville, WI
September
Weather in September
September, the first month of the autumn in Plainville, is also an agreeable month, with an average temperature ranging between max 70.9°F (21.6°C) and min 51.1°F (10.6°C).Temperature
September marks a gentle change in average high-temperature, declining from August's moderately hot 77.5°F (25.3°C) to a pleasant 70.9°F (21.6°C). Plainville observes an average nighttime low-temperature of 51.1°F (10.6°C) during the month of September.Humidity
The average relative humidity in September is 80%.Rainfall
In Plainville, during September, the rain falls for 7.2 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Plainville, during the entire year, the rain falls for 94.1 days and collects up to 8.46" (215mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Plainville, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:23 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:41 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Plainville, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 51.1°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 (10°F).
Average pressure in September
Plainville, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Plainville, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Plainville, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Plainville, WI
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in September
Plainville, WI
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Plainville, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Plainville, 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
Plainville, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Plainville, WI
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).
Average UV index in September
Plainville, WI
- Average UV index in September: 3
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
Plainville, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Plainville, 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).
