Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In the transition to September, Cottage Grove observes a minor drop in the average high-temperature, shifting from a moderately hot 78.4°F (25.8°C) in August to an agreeable 71.4°F (21.9°C). The average temperature during September nights dips to a cool 52.9°F (11.6°C).Humidity
In Cottage Grove, Minnesota, the average relative humidity in September is 75%.Rainfall
In September, in Cottage Grove, the rain falls for 12.6 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Cottage Grove, there are 128.1 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
In Cottage Grove, snow does not fall in June through September.Daylight
In September, the average length of the day in Cottage Grove is 12h and 31min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September in Cottage Grove is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the average September temperature in Cottage Grove?
What is the average humidity in September in Cottage Grove?
How many days does it rain in September in Cottage Grove?
When it does not snow in Cottage Grove?
Does it snow in Cottage Grove in September?
What is the average length of the day in September in Cottage Grove?
What time are sunrise and sunset in September in Cottage Grove?
How many hours of sunshine does Cottage Grove have in September?
What is the UV index intensity in September in Cottage Grove?
Average temperature in September
Cottage Grove, MN
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Cottage Grove, 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
Cottage Grove, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Cottage Grove, 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 (72%).
Average rainfall in September
Cottage Grove, MN
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Cottage Grove, MN
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Cottage 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
Cottage Grove, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cottage Grove, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
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
Cottage Grove, MN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Cottage Grove, MN
- Average UV index in September: 4
The month with the highest UV index is 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
Cottage Grove, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Cottage Grove, 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).
Cottage Grove, Minnesota, USA
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