September weather forecastBrooklyn Center, MN
September
Weather in September
Brooklyn Center crosses the threshold from summer into autumn in September. This change is accompanied by a simultaneous decrease in both temperatures and rainfall compared to August. The receding rainfall, contained at 1.77" (45mm) in September, subtly heralds the beginning of autumn. September’s autumn promises a delightful spectacle of changes as leaves change from vibrant summer green to brilliant shades of autumn. It is a month of notable scenic beauty as fall colors start to dominate the city-scape.Temperature
With the arrival of September, Brooklyn Center notices a mild change in the average high-temperature, sliding from August's moderately hot 78.6°F (25.9°C) to a pleasant 71.2°F (21.8°C). The average temperature during September nights dips to a cool 53.4°F (11.9°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Brooklyn Center, in September, during 11.6 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 120.1 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:36 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brooklyn Center, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Brooklyn Center, MN
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Brooklyn Center, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Brooklyn Center, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Brooklyn Center, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Brooklyn Center, MN
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Brooklyn Center, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brooklyn Center, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brooklyn Center, MN
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Brooklyn Center, MN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Brooklyn Center, MN
- Average UV index in September: 4
The months with the highest UV index are June and 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
Brooklyn Center, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Brooklyn Center, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





