September weather forecastBuffalo, MN
September
Weather in September
September, the first month of the autumn in Buffalo, is still a pleasant month, with an average temperature ranging between max 70.9°F (21.6°C) and min 52.5°F (11.4°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 78.3°F (25.7°C) in August to an agreeable 70.9°F (21.6°C). The average low-temperature of 52.5°F (11.4°C) is witnessed during September.Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 117.4 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
In Buffalo, Minnesota, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:57 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buffalo, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Buffalo, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Buffalo, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
Buffalo, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Buffalo, MN
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Buffalo, MN
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (16.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Buffalo, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Buffalo, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Buffalo, 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 54min
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 24min).
Average sunshine days in September
Buffalo, MN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Buffalo, 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
Buffalo, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Buffalo, 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).
