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 sees a slight reduction in average high-temperature, with a shift from a warm 76.5°F (24.7°C) in August to an agreeable 68.9°F (20.5°C). An average nighttime temperature of 49.6°F (9.8°C) is noted during the month of September.Humidity
In Turtle Lake, the average relative humidity in September is 79%.Rainfall
In Turtle Lake, during September, the rain falls for 12.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 123 rainfall days, and 23.35" (593mm) of precipitation is accumulated.Snowfall
In Turtle Lake, Wisconsin, snow does not fall in June through September.Daylight
In Turtle Lake, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:50 pm CDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Turtle Lake, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Turtle Lake in September?
How many hours of daylight does Turtle Lake have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Turtle Lake, WI
- Average high temperature in September: 68.9°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 (17.4°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.6°F).
Average pressure in September
Turtle Lake, WI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Turtle Lake, WI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Turtle 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 (76%).
Average rainfall in September
Turtle Lake, WI
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Turtle Lake, WI
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Turtle Lake, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Turtle Lake, WI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Turtle Lake, 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 1min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Turtle Lake, WI
- Average sunshine days in September: 15.1 days
The months with the most sunshine days are October and November (15.7 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Turtle 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, February and December (UV index 1).
Average cloud cover in September
Turtle Lake, WI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Turtle Lake, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Turtle Lake, Wisconsin, USA
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