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
September reveals a small adjustment in temperature, transitioning from an average high of a warm 79.7°F (26.5°C) in August to an agreeable 72.5°F (22.5°C). Cottonwood's average low-temperature in the month of September is recorded at a cool 53.2°F (11.8°C).Humidity
The average relative humidity in September is 70%.Rainfall
In Cottonwood, during September, the rain falls for 10.7 days and regularly aggregates up to 1.97" (50mm) of precipitation. In Cottonwood, during the entire year, the rain falls for 121.2 days and collects up to 23.35" (593mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Cottonwood, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 6:46 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:04 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Adopt protective measures - It is advised to guard against sun damage. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Cottonwood?
How much does it rain in Cottonwood in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Cottonwood have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Cottonwood, MN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 53.2°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 (7.5°F).
Average pressure in September
Cottonwood, MN
- Average pressure in September: 29.98"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Cottonwood, MN
- Average wind speed in September: 9.2mph
The windiest months (with the highest average wind speed) are February, April and November (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Cottonwood, MN
- Average humidity in September: 70%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Cottonwood, MN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Cottonwood, MN
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (19.3 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Cottonwood, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cottonwood, 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
Cottonwood, 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Cottonwood, MN
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Cottonwood, 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
Cottonwood, MN
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Cottonwood, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Cottonwood, Minnesota, USA
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