September weather forecast
Turtle River, MN

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Weather in September

September, the first month of the autumn in Turtle River, is also an enjoyable month, with an average temperature ranging between min 48.6°F (9.2°C) and max 65.8°F (18.8°C).

Temperature

September's onset brings a slight change in high-temperatures, falling from a moderately hot 74.8°F (23.8°C) in August to an enjoyable 65.8°F (18.8°C). In September, the average low-temperature records at a frosty 48.6°F (9.2°C) during the nights.

Humidity

In Turtle River, the average relative humidity in September is 73%.

Rainfall

In September, in Turtle River, the rain falls for 12.2 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. In Turtle River, during the entire year, the rain falls for 109.2 days and collects up to 20.12" (511mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Turtle River, during the entire year, snow falls for 97.9 days and aggregates up to 36.77" (934mm) of snow.

Daylight

In Turtle River, Minnesota, the average length of the day in September is 12h and 33min.
On the first day of September, sunrise is at 6:38 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:59 pm CDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Turtle River, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

In Turtle River, in September, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in September?

In Turtle River, the average relative humidity in September is 73%.

How much does it rain in September?

In Turtle River, in September, during 12.2 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When does it start to snow?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Turtle River have in September?

In Turtle River, the average day length in September is 12h and 33min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:38 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:59 pm CDT.

How long on average sun shines in September?

In Turtle River, the average sunshine duration in September is 8.3h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Turtle River, MN

Average temperature in September - Turtle River, MN
  • Average high temperature in September: 65.8°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (2.1°F).

Average pressure in September
Turtle River, MN

Average pressure in September - Turtle River, MN
  • Average pressure in September: 29.97"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
Turtle River, MN

Average wind speed in September - Turtle River, MN
  • Average wind speed in September: 8.4mph

The windiest month (with the highest average wind speed) is October (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity in September
Turtle River, MN

Average humidity in September - Turtle River, MN
  • Average humidity in September: 73%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Turtle River, MN

Average rainfall in September - Turtle River, MN
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.71").

Average rainfall days in September
Turtle River, MN

Average rainfall days in September - Turtle River, MN
  • Average rainfall days in September: 12.2 days

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is January (1.3 days).

Average snowfall in September
Turtle River, MN

Average snowfall in September - Turtle River, MN
  • Average snowfall in September: 0.04"

The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Turtle River, MN

Average snowfall days in September - Turtle River, MN
  • Average snowfall days in September: 0.2 days

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

Average daylight in September /
Average sunshine in September
Turtle River, MN

Average daylight in September / Average sunshine in September - Turtle River, MN
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

Average sunshine days in September
Turtle River, MN

Average sunshine days in September - Turtle River, MN
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in September
Turtle River, MN

Average UV index in September - Turtle River, MN
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Turtle River, MN

Average cloud cover in September - Turtle River, MN
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Turtle River, MN

Average visibility in September - Turtle River, MN
  • Average visibility in September: 6mi

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

Turtle River, Minnesota, USA

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