September weather forecastKeewatin, MN
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Keewatin, Minnesota, with an average temperature varying between 47.3°F (8.5°C) and 66.2°F (19°C).Temperature
Keewatin in September undergoes a mild reduction in the average high-temperature, shifting from August's warm 75.4°F (24.1°C) to a comfortable 66.2°F (19°C). Keewatin's nighttime temperature in September falls to an average of 47.3°F (8.5°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Keewatin, in September, it is raining for 13.1 days, with typically 1.89" (48mm) of accumulated precipitation. In Keewatin, during the entire year, the rain falls for 116.8 days and collects up to 22.17" (563mm) of precipitation.Snowfall
In Keewatin, snow does not fall in June through September.Daylight
In Keewatin, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 7.8h.UV index
In Keewatin, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keewatin, MN
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Keewatin, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Keewatin, MN
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Keewatin, MN
- Average humidity in September: 77%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Keewatin, MN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.94").
Average rainfall days in September
Keewatin, MN
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Keewatin, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Keewatin, MN
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Keewatin, MN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Keewatin, MN
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is August (16 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in September
Keewatin, MN
- Average UV index in September: 3
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, March, November and December (UV index 1).
Average cloud cover in September
Keewatin, MN
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Keewatin, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June and July (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





