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
Glen Haven's weather subtly changes with the onset of September, barely falling from a warm 78.4°F (25.8°C) in August to an agreeable 72.5°F (22.5°C). Nighttime temperatures in September average to a fresh 52.7°F (11.5°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Glen Haven, during the entire year, the rain falls for 138.5 days and collects up to 28.46" (723mm) of precipitation.Snowfall
In Glen Haven, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:38 pm. On the last day of September, in Glen Haven, sunrise is at 7:01 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 9h.UV index
In Glen Haven, Wisconsin, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Glen Haven?
What is the average humidity in September in Glen Haven?
How many days does it rain in September in Glen Haven?
When it does not snow in Glen Haven?
Does it snow in Glen Haven in September?
How many hours of daylight does Glen Haven have in September?
When is the sunrise / sunset in September in Glen Haven?
How long on average sun shines in September in Glen Haven?
What is the UV index intensity in September in Glen Haven?
Average temperature in September
Glen Haven, WI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°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 (11.3°F).
Average pressure in September
Glen Haven, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Glen Haven, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Glen Haven, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Glen Haven, WI
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Glen Haven, WI
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in September
Glen Haven, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Glen Haven, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Glen Haven, WI
- Average daylight in September: 12h and 3min
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: 9h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Glen Haven, WI
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Glen Haven, WI
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Glen Haven, WI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Glen Haven, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Glen Haven, Wisconsin, USA
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