September weather forecast
Larson, ND

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Weather in September

September, the first month of the autumn in Larson, is still a pleasant month, with an average temperature varying between 69.3°F (20.7°C) and 50.7°F (10.4°C).

Temperature

A decrease in the average high-temperature is observed during September, shifting from a moderately hot 80.1°F (26.7°C) in August to a pleasant 69.3°F (20.7°C). The low-temperature averages to a fresh 50.7°F (10.4°C) during the nights of September.

Humidity

The average relative humidity in September is 54%.

Rainfall

In Larson, in September, it is raining for 8.5 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 85.6 rainfall days, and 11.89" (302mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 7:09 am and sunset at 8:32 pm. On the last day of September, sunrise is at 7:50 am and sunset at 7:31 pm CDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

The average daily maximum UV index in September in Larson is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

September temperatures vary between a high-temperature of 69.3°F (20.7°C) and a low-temperature of 50.7°F (10.4°C).

What is the average humidity in September?

The average relative humidity in September is 54%.

How many days does it rain in September?

In Larson, in September, during 8.5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When it does not snow in Larson?

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

Does it snow in September?

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

How many hours of daylight does Larson have in September?

In September, the average day length is 12h and 34min.

When is the sunrise / sunset in September in Larson?

On the first day of September, sunrise is at 7:09 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 7:31 pm CDT.

How many hours of sunshine does Larson have in September?

The average sunshine duration in September in Larson is 8.3h.

How high is the UV index in September?

In Larson, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Larson, ND

Average temperature in September - Larson, ND
  • Average high temperature in September: 69.3°F

The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is February (17.2°F).

  • Average low temperature in September: 50.7°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is February (3.6°F).

Average pressure in September
Larson, ND

Average pressure in September - Larson, ND
  • Average pressure in September: 29.93"Hg

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
Larson, ND

Average wind speed in September - Larson, ND
  • Average wind speed in September: 9.7mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).

Average humidity in September
Larson, ND

Average humidity in September - Larson, ND
  • Average humidity in September: 54%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (51%).

Average rainfall in September
Larson, ND

Average rainfall in September - Larson, ND
  • Average rainfall in September: 1.3"

The wettest month (with the highest rainfall) is June (2.32").
The driest months (with the least rainfall) are January and February (0.39").

Average rainfall days in September
Larson, ND

Average rainfall days in September - Larson, ND
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in September
Larson, ND

Average snowfall in September - Larson, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is November (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Larson, ND

Average snowfall days in September - Larson, ND
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (14.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Larson, ND

Average daylight in September / Average sunshine in September - Larson, ND
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Larson, ND

Average sunshine days in September - Larson, ND
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is June (14.2 days).

Average UV index in September
Larson, ND

Average UV index in September - Larson, ND
  • 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 and December (UV index 1).

Average cloud cover in September
Larson, ND

Average cloud cover in September - Larson, ND
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 22).

Average visibility in September
Larson, ND

Average visibility in September - Larson, ND
  • Average visibility in September: 6mi

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

Larson, North Dakota, USA

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