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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 76.6°F (24.8°C) in August to an agreeable 69.4°F (20.8°C). Throughout the nights in September, Osceola experiences an average low-temperature of 50.9°F (10.5°C).Humidity
In Osceola, the average relative humidity in September is 79%.Rainfall
In Osceola, in September, it is raining for 12.6 days, with typically 1.85" (47mm) of accumulated precipitation. In Osceola, during the entire year, the rain falls for 130.2 days and collects up to 23.19" (589mm) of precipitation.Snowfall
In Osceola, snow does not fall in June through September.Daylight
The average length of the day in September in Osceola is 12h and 31min.On the first day of September, sunrise is at 6:33 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm CDT.
Sunshine
In Osceola, the average sunshine in September is 8.5h.UV index
The average daily maximum UV index in September in Osceola is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the usual temperature for Osceola in September?
What is the average humidity in September in Osceola?
How many days does it rain in September in Osceola?
When it does not snow in Osceola?
Does it snow in Osceola in September?
What is the average length of the day in September in Osceola?
What time are sunrise and sunset in September in Osceola?
How long on average sun shines in September in Osceola?
How high is the UV index in September in Osceola?
Average temperature in September
Osceola, WI
- Average high temperature in September: 69.4°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 (18.3°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in September
Osceola, WI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Osceola, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Osceola, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Osceola, WI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Osceola, WI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in September
Osceola, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Osceola, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Osceola, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Osceola, WI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Osceola, 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, February, November and December (UV index 1).
Average cloud cover in September
Osceola, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Osceola, WI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Osceola, Wisconsin, USA
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