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
With the arrival of September, Caroline experiences a modest decline in average high-temperatures, transitioning from a moderately hot 77.5°F (25.3°C) in August to an agreeable 69.8°F (21°C). Caroline records an average nighttime low of 50.9°F (10.5°C) in September.Humidity
In Caroline, the average relative humidity in September is 80%.Rainfall
In Caroline, in September, it is raining for 10.9 days, with typically 1.42" (36mm) of accumulated precipitation. In Caroline, during the entire year, the rain falls for 122.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Caroline, sunrise is at 6:18 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:37 pm CDT.
Sunshine
The average sunshine in September in Caroline is 8.4h.UV index
In Caroline, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during September leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Caroline in September?
What is the average humidity in September in Caroline?
How many days does it rain in September in Caroline?
When it does not snow in Caroline?
Does it snow in Caroline in September?
What is the average length of the day in September in Caroline?
When are sunrise and sunset in September in Caroline?
How long on average sun shines in September in Caroline?
What is the UV index reading in September in Caroline?
Average temperature in September
Caroline, WI
- Average high temperature in September: 69.8°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 (21.7°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Caroline, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Caroline, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Caroline, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Caroline, WI
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Caroline, WI
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in September
Caroline, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Caroline, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Caroline, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Caroline, WI
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Caroline, WI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Caroline, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Caroline, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).
Caroline, Wisconsin, USA
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