September weather forecastGreenbush, MN
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Greenbush, Minnesota, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 48.2°F (9°C).Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from a warm 75.7°F (24.3°C) in August to a refreshing 65.8°F (18.8°C). Greenbush experiences an average nighttime temperature of 48.2°F (9°C) in the month of September.Humidity
In Greenbush, Minnesota, the average relative humidity in September is 71%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. In Greenbush, Minnesota, during the entire year, the rain falls for 105.7 days and collects up to 17.64" (448mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:42 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:04 pm CDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greenbush, MN
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (13.5°F).
- Average low temperature in September: 48.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Greenbush, MN
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Greenbush, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is October (9.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Greenbush, MN
- Average humidity in September: 71%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Greenbush, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in September
Greenbush, MN
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in September
Greenbush, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenbush, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Greenbush, MN
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Greenbush, MN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is August (17.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in September
Greenbush, MN
- Average UV index in September: 4
The months with the highest UV index are 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
Greenbush, MN
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Greenbush, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
