September weather forecast
Finlayson, MN

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Weather in September

The first month of the autumn, September, is still a pleasant month in Finlayson, Minnesota, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 49.6°F (9.8°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 77.5°F (25.3°C) in August to a pleasant 68.9°F (20.5°C). Finlayson experiences an average temperature drop to a frosty 49.6°F (9.8°C) during September nights.

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Finlayson, in September, it is raining for 11.2 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 120.5 rainfall days, and 20.67" (525mm) of precipitation is accumulated.

Snowfall

In Finlayson, snow does not fall in June through September.

Daylight

In Finlayson, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:52 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Finlayson, records 68.9°F (20.5°C), while the low-temperature is 49.6°F (9.8°C).

What is the average humidity in September?

The average relative humidity in September is 76%.

How many days does it rain in September?

In Finlayson, Minnesota, during September, the rain falls for 11.2 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow in Finlayson?

In Finlayson, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Finlayson have in September?

The average day length in September is 12h and 32min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:33 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:52 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.5h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Finlayson, MN

Average temperature in September - Finlayson, MN
  • Average high temperature in September: 68.9°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (17.6°F).

  • Average low temperature in September: 49.6°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.1°F).

Average pressure in September
Finlayson, MN

Average pressure in September - Finlayson, MN
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Finlayson, MN

Average wind speed in September - Finlayson, MN
  • Average wind speed in September: 7.6mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September
Finlayson, MN

Average humidity in September - Finlayson, MN
  • Average humidity in September: 76%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (73%).

Average rainfall in September
Finlayson, MN

Average rainfall in September - Finlayson, MN
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in September
Finlayson, MN

Average rainfall days in September - Finlayson, MN
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in September
Finlayson, MN

Average snowfall in September - Finlayson, MN
  • Average snowfall in September: 0"

The month with the highest snowfall is December (6.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Finlayson, MN

Average snowfall days in September - Finlayson, MN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Finlayson, MN

Average daylight in September / Average sunshine in September - Finlayson, MN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in September
Finlayson, MN

Average sunshine days in September - Finlayson, MN
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in September
Finlayson, MN

Average UV index in September - Finlayson, 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 and December (UV index 1).

Average cloud cover in September
Finlayson, MN

Average cloud cover in September - Finlayson, MN
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Finlayson, MN

Average visibility in September - Finlayson, MN
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Finlayson, Minnesota, USA

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