September weather forecast
Marion, ND

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Weather in September

September, the first month of the autumn in Marion, is also an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 70.7°F (21.5°C).

Temperature

A decrease in the average high-temperature is observed during September, shifting from a moderately hot 80.2°F (26.8°C) in August to an agreeable 70.7°F (21.5°C). Marion in September anticipates an average nighttime temperature of 51.4°F (10.8°C).

Humidity

In Marion, the average relative humidity in September is 62%.

Rainfall

In September, in Marion, the rain falls for 8.2 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. In Marion, during the entire year, the rain falls for 94.8 days and collects up to 14.92" (379mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Marion, the average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 6:54 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:14 pm CDT.

Sunshine

In Marion, North Dakota, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in Marion is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What is the temperature in September in Marion?

The average high-temperature, in September, in Marion, is 70.7°F (21.5°C), while the average low-temperature is 51.4°F (10.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is evaluated at 84.2°F (29°C).

What is the average humidity in September in Marion?

In Marion, the average relative humidity in September is 62%.

How many days does it rain in September in Marion?

In Marion, in September, it is raining for 8.2 days, with typically 1.06" (27mm) of accumulated precipitation.

When it does not snow in Marion?

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

Does it snow in Marion in September?

In Marion, North Dakota, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Marion?

The average day length in September is 12h and 32min.

When are sunrise and sunset in September in Marion?

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 8:11 pm. On the last day of the month, in Marion, sunrise is at 7:31 am and sunset at 7:14 pm CDT.

How many hours of sunshine does Marion have in September?

In Marion, North Dakota, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in Marion?

In September, the average daily maximum UV index in Marion is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Marion, ND

Average temperature in September - Marion, ND
  • Average high temperature in September: 70.7°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 (17.1°F).

  • Average low temperature in September: 51.4°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (3.4°F).

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Average pressure in September
Marion, ND

Average pressure in September - Marion, ND
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Marion, ND

Average wind speed in September - Marion, ND
  • Average wind speed in September: 10.2mph

The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

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Average humidity in September
Marion, ND

Average humidity in September - Marion, ND
  • Average humidity in September: 62%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in September
Marion, ND

Average rainfall in September - Marion, ND
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (0.39").

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Average rainfall days in September
Marion, ND

Average rainfall days in September - Marion, ND
  • Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (1.5 days).

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Average snowfall in September
Marion, ND

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

The month with the highest snowfall is December (3.11").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Marion, ND

Average snowfall days in September - Marion, ND
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (13.9 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
Marion, ND

Average daylight in September / Average sunshine in September - Marion, ND
  • Average daylight in September: 12h and 3min

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

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in September
Marion, ND

Average sunshine days in September - Marion, ND
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is October (20 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in September
Marion, ND

Average UV index in September - Marion, ND
  • 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, February, November and December (UV index 1).

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Average cloud cover in September
Marion, ND

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

The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Marion, ND

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

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

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Marion, North Dakota, USA

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