September weather forecast
Sartell, MN

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Weather in September

September, the first month of the autumn in Sartell, is also an agreeable month, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 70.2°F (21.2°C).

Temperature

Sartell experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a warm 77.9°F (25.5°C) in August to a pleasant 70.2°F (21.2°C). An average minimum temperature of 51.3°F (10.7°C) marks the month of September.

Humidity

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

Rainfall

In Sartell, in September, it is raining for 10.5 days, with typically 1.14" (29mm) of accumulated precipitation. In Sartell, during the entire year, the rain falls for 107.2 days and collects up to 15.75" (400mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Sartell is 12h and 31min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:54 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:58 pm CDT.

Sunshine

The average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 4 in September transforms into this advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Sartell in September?

The high-temperature, in September, in Sartell, is 70.2°F (21.2°C), while the low-temperature averages to 51.3°F (10.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 84.2°F (29°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How many days does it rain in September?

In Sartell, during September, the rain falls for 10.5 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Sartell have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:58 pm CDT.

How many hours of sunshine does Sartell have in September?

In Sartell, the average sunshine duration in September is 8.7h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Sartell, MN

Average temperature in September - Sartell, MN
  • Average high temperature in September: 70.2°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (18.5°F).

  • Average low temperature in September: 51.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure in September
Sartell, MN

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

The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Sartell, MN

Average wind speed in September - Sartell, MN
  • Average wind speed in September: 8mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

Average humidity in September
Sartell, MN

Average humidity in September - Sartell, MN
  • Average humidity in September: 74%

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

Average rainfall in September
Sartell, MN

Average rainfall in September - Sartell, MN
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in September
Sartell, MN

Average rainfall days in September - Sartell, MN
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (2.1 days).

Average snowfall in September
Sartell, MN

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

The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Sartell, MN

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

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in September: 8h and 4min

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 12min).

Average sunshine days in September
Sartell, MN

Average sunshine days in September - Sartell, MN
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (12.6 days).

Average UV index in September
Sartell, MN

Average UV index in September - Sartell, 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).

Average cloud cover in September
Sartell, MN

Average cloud cover in September - Sartell, MN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in September
Sartell, MN

Average visibility in September - Sartell, 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).

Sartell, Minnesota, USA

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