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 onset of September results in a small decrease in the average high-temperature, moderately receding from an agreeable 72.3°F (22.4°C) in August to a refreshing 64.4°F (18°C). September's nights in Brimson observe an average temperature of 50.4°F (10.2°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Brimson, during September, the rain falls for 12.2 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Brimson, during the entire year, the rain falls for 115 days and collects up to 21.5" (546mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Brimson is 12h and 33min.On the first day of September, sunrise is at 6:27 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In Brimson, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Brimson?
What is the average humidity in September in Brimson?
How much does it rain in Brimson in September?
When it does not snow in Brimson?
Does it snow in Brimson in September?
What is the average length of the day in September in Brimson?
When is the sunrise / sunset in September in Brimson?
How long on average sun shines in September in Brimson?
What is the UV index reading in September in Brimson?
Average temperature in September
Brimson, MN
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is January (17.6°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (56.7°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in September
Brimson, MN
- Average pressure in September: 29.99"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
Brimson, MN
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Brimson, MN
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Brimson, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Brimson, MN
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Brimson, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brimson, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brimson, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Brimson, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Brimson, MN
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Brimson, MN
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Brimson, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
Brimson, Minnesota, USA
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