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
The arrival of September signals a subtle shift in temperature, down from a warm 76.8°F (24.9°C) in August to a pleasant 70°F (21.1°C). Throughout the September nights, Chippewa Falls encounters a low-temperature of 50.2°F (10.1°C).Humidity
In September, the average relative humidity in Chippewa Falls is 80%.Rainfall
In Chippewa Falls, in September, it is raining for 11.7 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 127.8 rainfall days, and 25.67" (652mm) of precipitation is accumulated.Snowfall
In Chippewa Falls, snow does not fall in June through September.Daylight
In Chippewa Falls, Wisconsin, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:42 pm. On the last day of September, in Chippewa Falls, sunrise is at 7:03 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September in Chippewa Falls, Wisconsin, is 8.4h.UV index
In Chippewa Falls, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Chippewa Falls in September?
What is the average humidity in September in Chippewa Falls?
How many days does it rain in September in Chippewa Falls?
When it does not snow in Chippewa Falls?
Does it snow in Chippewa Falls in September?
What is the average length of the day in September in Chippewa Falls?
What time are sunrise and sunset in September in Chippewa Falls?
How long on average sun shines in September in Chippewa Falls?
How high is the UV index in September in Chippewa Falls?
Average temperature in September
Chippewa Falls, WI
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (19.4°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Chippewa Falls, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Chippewa Falls, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Chippewa Falls, WI
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Chippewa Falls, WI
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Chippewa Falls, WI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Chippewa Falls, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chippewa Falls, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chippewa Falls, 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 48min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in September
Chippewa Falls, WI
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Chippewa Falls, 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
Chippewa Falls, WI
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Chippewa Falls, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Chippewa Falls, Wisconsin, USA
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