September weather forecast
Arlington, MN

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Weather in September

The first month of the autumn, September, is still a pleasant month in Arlington, Minnesota, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 72.1°F (22.3°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of a warm 78.3°F (25.7°C) in August to a pleasant 72.1°F (22.3°C). Throughout September, Arlington encounters an average temperature drop to a cool 52.7°F (11.5°C).

Humidity

In Arlington, the average relative humidity in September is 75%.

Rainfall

In Arlington, in September, it is raining for 11.8 days, with typically 2.13" (54mm) of accumulated precipitation. In Arlington, during the entire year, the rain falls for 123.7 days and collects up to 23.98" (609mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September in Arlington, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm CDT.

Sunshine

In Arlington, the average sunshine in September is 8.8h.

UV index

In Arlington, Minnesota, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In September, in Arlington, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September?

In Arlington, Minnesota, the average relative humidity in September is 75%.

How many days does it rain in September?

In Arlington, in September, it is raining for 11.8 days, with typically 2.13" (54mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall in Arlington.

Does it snow in September?

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

How many hours of daylight does Arlington have in September?

The average day length in September is 12h and 30min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 6:39 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:58 pm CDT.

How many hours of sunshine does Arlington have in September?

The average sunshine duration in September is 8.8h.

What is the UV index intensity in September?

The average daily maximum UV index in September in Arlington is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Arlington, MN

Average temperature in September - Arlington, MN
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7°F).

Average pressure in September
Arlington, MN

Average pressure in September - Arlington, MN
  • Average pressure in September: 30"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
Arlington, MN

Average wind speed in September - Arlington, MN
  • Average wind speed in September: 8.1mph

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 (7mph).

Average humidity in September
Arlington, MN

Average humidity in September - Arlington, MN
  • Average humidity in September: 75%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September
Arlington, MN

Average rainfall in September - Arlington, MN
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Arlington, MN

Average rainfall days in September - Arlington, MN
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in September
Arlington, MN

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

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Arlington, MN

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

The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Arlington, 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: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

Average sunshine days in September
Arlington, MN

Average sunshine days in September - Arlington, MN
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is June (10 days).

Average UV index in September
Arlington, MN

Average UV index in September - Arlington, 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
Arlington, MN

Average cloud cover in September - Arlington, MN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Arlington, MN

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

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Arlington, Minnesota, USA

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