September weather forecastCosmos, MN
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Cosmos, Minnesota, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 51.6°F (10.9°C).Temperature
September signifies a gentle decline in Cosmos's average high-temperature, easing from a warm 78.4°F (25.8°C) in August to a pleasant 70.9°F (21.6°C). Cosmos, during the month of September, experiences an average low-temperature of 51.6°F (10.9°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Cosmos, during September, the rain falls for 10.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. Throughout the year, in Cosmos, there are 99.1 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
In Cosmos, snow does not fall in June through September.Daylight
In Cosmos, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Cosmos is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cosmos, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in September
Cosmos, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Cosmos, MN
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Cosmos, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Cosmos, MN
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Cosmos, MN
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Cosmos, MN
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cosmos, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cosmos, MN
- Average daylight in September: 12h and 30min
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 48min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Cosmos, MN
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Cosmos, 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
Cosmos, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Cosmos, 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).
