September weather forecastBrandon, MN
September
Weather in September
September, the first month of the autumn in Brandon, is also an agreeable month, with an average temperature varying between 69.8°F (21°C) and 50.5°F (10.3°C).Temperature
With the arrival of September, Brandon notices a mild change in the average high-temperature, sliding from August's moderately hot 77.7°F (25.4°C) to a pleasant 69.8°F (21°C). Brandon's temperature drops to an average low of 50.5°F (10.3°C) during the nights of September.Humidity
In Brandon, the average relative humidity in September is 72%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. In Brandon, during the entire year, the rain falls for 108.9 days and collects up to 19.65" (499mm) of precipitation.Snowfall
June through September are months without snowfall in Brandon.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:44 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:03 pm CDT.
Sunshine
In Brandon, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Brandon, MN
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.2°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in September
Brandon, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Brandon, MN
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Brandon, MN
- Average humidity in September: 72%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Brandon, MN
- Average rainfall in September: 1.54"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Brandon, MN
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is June (17.1 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in September
Brandon, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brandon, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brandon, MN
- Average daylight in September: 12h and 30min
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 54min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Brandon, MN
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in September
Brandon, MN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Brandon, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Brandon, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
