September weather forecastClarks Grove, MN
September
Weather in September
September, the first month of the autumn in Clarks Grove, is also an agreeable month, with an average temperature ranging between min 53.1°F (11.7°C) and max 71.2°F (21.8°C).Temperature
September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 76.8°F (24.9°C) in August to an agreeable 71.2°F (21.8°C). Clarks Grove experiences an average low-temperature of 53.1°F (11.7°C) in the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Clarks Grove, during September, the rain falls for 12 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Clarks Grove, during the entire year, the rain falls for 132.3 days and collects up to 26.65" (677mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Clarks Grove is 12h and 29min.On the first day of September in Clarks Grove, sunrise is at 6:37 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:55 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Clarks Grove, Minnesota, is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take precautions - Protection against sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Clarks Grove, MN
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.2°F).
Average pressure in September
Clarks Grove, MN
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Clarks Grove, MN
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in September
Clarks Grove, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in September
Clarks Grove, MN
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Clarks Grove, MN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Clarks Grove, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clarks Grove, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clarks Grove, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Clarks Grove, MN
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in September
Clarks Grove, 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, November and December (UV index 1).
Average cloud cover in September
Clarks Grove, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Clarks Grove, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





