September weather forecastDarlington, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Darlington, Wisconsin, with an average temperature ranging between max 72°F (22.2°C) and min 52.7°F (11.5°C).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 78.3°F (25.7°C) to an agreeable 72°F (22.2°C). September sees the temperature falling to a mean low of 52.7°F (11.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Darlington, in September, during 12 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Darlington, Wisconsin, during the entire year, the rain falls for 140.6 days and collects up to 28.03" (712mm) of precipitation.Snowfall
In Darlington, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:26 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:43 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Darlington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Darlington, WI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in September
Darlington, WI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Darlington, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Darlington, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Darlington, WI
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Darlington, WI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Darlington, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Darlington, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Darlington, 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: 8h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Darlington, WI
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Darlington, 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
Darlington, WI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in September
Darlington, 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).
