September weather forecast
Cosmos, MN

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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.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Cosmos?

Cosmos in September has an average high-temperature of 70.9°F (21.6°C) and an average low-temperature of 51.6°F (10.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the average humidity in September in Cosmos?

In September, the average relative humidity in Cosmos, Minnesota, is 74%.

How much does it rain in Cosmos in September?

In September, in Cosmos, the rain falls for 10.2 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When it does not snow in Cosmos?

In Cosmos, Minnesota, snow does not fall in June through September.

Does it snow in Cosmos in September?

In Cosmos, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Cosmos have in September?

The average day length in September in Cosmos, Minnesota, is 12h and 31min.

When are sunrise and sunset in September in Cosmos?

On the first day of September in Cosmos, Minnesota, sunrise is at 6:41 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:00 pm CDT.

How many hours of sunshine does Cosmos have in September?

In September, the average sunshine duration in Cosmos is 8.8h.

What is the UV index intensity in September in Cosmos?

The average daily maximum UV index in September in Cosmos, Minnesota, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Cosmos, MN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Cosmos, 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 48min).

  • Average sunshine in September: 8h and 5min

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 - 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 - 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 - 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 - 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).

Cosmos, Minnesota, USA

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