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
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 77.2°F (25.1°C) in August to an agreeable 68.4°F (20.2°C). Throughout September, an average low-temperature of 49.1°F (9.5°C) is expected in Chief Lake.Humidity
The average relative humidity in September is 79%.Rainfall
In Chief Lake, during September, the rain falls for 12.4 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Chief Lake, Wisconsin, during the entire year, the rain falls for 114.4 days and collects up to 20.79" (528mm) of precipitation.Snowfall
In Chief Lake, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 6:27 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September in Chief Lake is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Chief Lake?
What is the average humidity in September in Chief Lake?
How many days does it rain in September in Chief Lake?
When it does not snow in Chief Lake?
Does it snow in Chief Lake in September?
What is the average length of the day in September in Chief Lake?
When is the sunrise / sunset in September in Chief Lake?
How long on average sun shines in September in Chief Lake?
How high is the UV index in September in Chief Lake?
Average temperature in September
Chief Lake, WI
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Chief Lake, WI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Chief Lake, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Chief Lake, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Chief Lake, WI
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in September
Chief Lake, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in September
Chief Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chief Lake, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chief Lake, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Chief Lake, 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 April (10.9 days).
Average UV index in September
Chief Lake, 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, November and December (UV index 1).
Average cloud cover in September
Chief Lake, WI
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Chief Lake, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Chief Lake, Wisconsin, USA
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