September weather forecast
Afton, MN

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Weather in September

September, the first month of the autumn in Afton, is still a pleasant month, with an average temperature ranging between max 70.5°F (21.4°C) and min 51.8°F (11°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 77.4°F (25.2°C) in August to an agreeable 70.5°F (21.4°C). Afton experiences a nighttime temperature average of 51.8°F (11°C) during September.

Humidity

The average relative humidity in September in Afton is 78%.

Rainfall

In Afton, during September, the rain falls for 12.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Afton, during the entire year, the rain falls for 130.4 days and collects up to 24.29" (617mm) of precipitation.

Snowfall

June through September are months without snowfall in Afton.

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:47 pm. On the last day of September, in Afton, sunrise is at 7:08 am and sunset at 6:52 pm CDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in September in Afton, Minnesota, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the average September temperature in Afton?

September temperatures vary between a high-temperature of 70.5°F (21.4°C) and a low-temperature of 51.8°F (11°C).

What is the average humidity in September in Afton?

The average relative humidity in September in Afton is 78%.

How much does it rain in Afton in September?

In Afton, in September, during 12.2 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Afton?

June through September are months without snowfall in Afton.

Does it snow in Afton in September?

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

How many hours of daylight does Afton have in September?

In September, the average day length in Afton, Minnesota, is 12h and 31min.

What time are sunrise and sunset in September in Afton?

On the first day of September in Afton, sunrise is at 6:34 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:52 pm CDT.

How many hours of sunshine does Afton have in September?

In Afton, Minnesota, the average sunshine duration in September is 8.6h.

What is the UV index intensity in September in Afton?

In September, the average daily maximum UV index in Afton 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
Afton, MN

Average temperature in September - Afton, MN
  • Average high temperature in September: 70.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (19.4°F).

  • Average low temperature in September: 51.8°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in September
Afton, MN

Average pressure in September - Afton, MN
  • Average pressure in September: 30"Hg

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

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Average wind speed in September
Afton, MN

Average wind speed in September - Afton, MN
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Afton, MN

Average humidity in September - Afton, MN
  • Average humidity in September: 78%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Afton, MN

Average rainfall in September - Afton, MN
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in September
Afton, MN

Average rainfall days in September - Afton, MN
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.8 days).

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Average snowfall in September
Afton, MN

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

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Afton, MN

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

The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Afton, 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 4min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in September
Afton, MN

Average sunshine days in September - Afton, MN
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (9.6 days).

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Average UV index in September
Afton, MN

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

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Average cloud cover in September
Afton, MN

Average cloud cover in September - Afton, MN
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in September
Afton, MN

Average visibility in September - Afton, 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).

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Afton, Minnesota, USA

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