September weather forecast
Wheaton, MN

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Weather in September

The first month of the autumn, September, is still a pleasant month in Wheaton, Minnesota, with an average temperature varying between 52.9°F (11.6°C) and 73.2°F (22.9°C).

Temperature

In the transition to September, Wheaton observes a minor drop in the average high-temperature, shifting from a moderately hot 81.3°F (27.4°C) in August to a pleasant 73.2°F (22.9°C). During the month of September, the temperature in Wheaton falls to an average of 52.9°F (11.6°C).

Humidity

With an average relative humidity of 65%, September is the least humid month in Wheaton.

Rainfall

In Wheaton, Minnesota, in September, it is raining for 8.9 days, with typically 1.54" (39mm) of accumulated precipitation. In Wheaton, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:07 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Wheaton, Minnesota, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average September temperature in Wheaton?

Wheaton in September has an average high-temperature of 73.2°F (22.9°C) and an average low-temperature of 52.9°F (11.6°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the least humid month in Wheaton?

The least humid month in Wheaton, Minnesota, is September, with an average relative humidity of 65%.

What is the average humidity in September in Wheaton?

In Wheaton, Minnesota, the average relative humidity in September is 65%.

How much does it rain in Wheaton in September?

In Wheaton, Minnesota, in September, during 8.9 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

When it does not snow in Wheaton?

June through September are months without snowfall in Wheaton.

Does it snow in Wheaton in September?

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

How many hours of daylight does Wheaton have in September?

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

When are sunrise and sunset in September in Wheaton?

On the first day of September, sunrise is at 6:48 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:07 pm CDT.

How long on average sun shines in September in Wheaton?

The average sunshine duration in September in Wheaton, Minnesota, is 8.9h.

What is the UV index reading in September in Wheaton?

The average daily maximum UV index in September in Wheaton, Minnesota, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Wheaton, MN

Average temperature in September - Wheaton, MN
  • Average high temperature in September: 73.2°F

The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).

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Average pressure in September
Wheaton, MN

Average pressure in September - Wheaton, MN
  • Average pressure in September: 29.97"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in September
Wheaton, MN

Average wind speed in September - Wheaton, MN
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in September
Wheaton, MN

Average humidity in September - Wheaton, MN
  • Average humidity in September: 65%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).

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Average rainfall in September
Wheaton, MN

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

The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in September
Wheaton, MN

Average rainfall days in September - Wheaton, MN
  • Average rainfall days in September: 8.9 days

The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).

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Average snowfall in September
Wheaton, MN

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

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Wheaton, MN

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

The month with the highest number of snowfall days is January (12.3 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
Wheaton, MN

Average daylight in September / Average sunshine in September - Wheaton, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in September
Wheaton, MN

Average sunshine days in September - Wheaton, MN
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in September
Wheaton, MN

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

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Average cloud cover in September
Wheaton, MN

Average cloud cover in September - Wheaton, MN
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Wheaton, MN

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Wheaton, Minnesota, USA

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