Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In the transition to September, Fairwater observes a minor drop in the average high-temperature, shifting from a warm 77.2°F (25.1°C) in August to a pleasant 70.7°F (21.5°C). During September, the average low-temperature in Fairwater, Wisconsin, is a cool 51.3°F (10.7°C).Humidity
In September, the average relative humidity in Fairwater is 81%.Rainfall
In Fairwater, during September, the rain falls for 9.5 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 111.8 rainfall days, and 13.78" (350mm) of precipitation is accumulated.Snowfall
In Fairwater, snow does not fall in May through September.Daylight
In Fairwater, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:30 pm. On the last day of September, in Fairwater, Wisconsin, sunrise is at 6:52 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September in Fairwater is 8.6h.UV index
In Fairwater, Wisconsin, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Fairwater in September?
What is the average humidity in September in Fairwater?
How much does it rain in Fairwater in September?
When it does not snow in Fairwater?
Does it snow in Fairwater in September?
What is the average length of the day in September in Fairwater?
When is the sunrise / sunset in September in Fairwater?
How many hours of sunshine does Fairwater have in September?
What is the UV index intensity in September in Fairwater?
Average temperature in September
Fairwater, WI
- Average high temperature in September: 70.7°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 (22.5°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in September
Fairwater, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Fairwater, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Fairwater, WI
- Average humidity in September: 81%
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
Fairwater, WI
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Fairwater, WI
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Fairwater, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Fairwater, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fairwater, WI
- Average daylight in September: 12h and 3min
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 4min
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 18min).
Average sunshine days in September
Fairwater, WI
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in September
Fairwater, 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, November and December (UV index 1).
Average cloud cover in September
Fairwater, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Fairwater, WI
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, August, October, November and December (6mi).
The months with the lowest visibility are January, July and September (5mi).
Fairwater, Wisconsin, USA
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