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
Start of September brings a shift in the average high-temperature, falling from August's warm 76.6°F (24.8°C) to a refreshing 66.9°F (19.4°C). In Big Falls, September nights cool down to an average of 47.3°F (8.5°C).Humidity
In Big Falls, the average relative humidity in September is 75%.Rainfall
In Big Falls, in September, it is raining for 11.5 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Big Falls, there are 107.3 rainfall days, and 17.48" (444mm) of precipitation is accumulated.Snowfall
In Big Falls, snow does not fall in June through September.Daylight
In Big Falls, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September in Big Falls is 8h.UV index
In Big Falls, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are September temperatures in Big Falls?
What is the average humidity in September in Big Falls?
How many days does it rain in September in Big Falls?
When it does not snow in Big Falls?
Does it snow in Big Falls in September?
How many hours of daylight does Big Falls have in September?
When are sunrise and sunset in September in Big Falls?
How many hours of sunshine does Big Falls have in September?
What is the UV index intensity in September in Big Falls?
Average temperature in September
Big Falls, MN
- Average high temperature in September: 66.9°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 (15.3°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (0.7°F).
Average pressure in September
Big Falls, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Big Falls, MN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Big Falls, MN
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Big Falls, MN
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Big Falls, MN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Big Falls, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Big Falls, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Big Falls, MN
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Big Falls, MN
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is August (16.7 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in September
Big Falls, MN
- 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
Big Falls, MN
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Big Falls, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Big Falls, Minnesota, USA
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