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
Denmark's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 75.9°F (24.4°C) to an agreeable 68.9°F (20.5°C). September nights observe an average temperature dip to a fresh 54°F (12.2°C).Humidity
In Denmark, the average relative humidity in September is 79%.Rainfall
In Denmark, in September, during 12.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Denmark, during the entire year, the rain falls for 131.1 days and collects up to 19.88" (505mm) of precipitation.Snowfall
In Denmark, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:15 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
In Denmark, the average sunshine in September is 8.8h.UV index
In Denmark, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow in Denmark?
Does it snow in September?
How many hours of daylight does Denmark have in September?
What time are sunrise and sunset in September in Denmark?
How many hours of sunshine does Denmark have in September?
What is the UV index intensity in September?
Average temperature in September
Denmark, WI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in September
Denmark, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Denmark, WI
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Denmark, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in September
Denmark, WI
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in September
Denmark, WI
- Average rainfall days in September: 12.5 days
The months with the highest number of rainy days are May and July (14.9 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Denmark, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Denmark, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Denmark, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Denmark, WI
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in September
Denmark, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Denmark, WI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Denmark, WI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Denmark, Wisconsin, USA
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