September weather forecast
Rival, ND

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Weather in September

September, the first month of the autumn in Rival, is also an agreeable month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 50.7°F (10.4°C).

Temperature

As September begins, there is a decrease in the average high-temperature, falling from a moderately hot 80.1°F (26.7°C) in August to a pleasant 69.3°F (20.7°C). During the nights in September, Rival experiences a consistent average temperature of 50.7°F (10.4°C).

Humidity

The average relative humidity in September in Rival, North Dakota, is 54%.

Rainfall

In Rival, North Dakota, in September, during 8.5 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Rival, during the entire year, the rain falls for 85.6 days and collects up to 11.89" (302mm) of precipitation.

Snowfall

June through September are months without snowfall in Rival.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 7:08 am and sunset at 8:32 pm. On the last day of September, sunrise is at 7:49 am and sunset at 7:30 pm CDT.

Sunshine

In September, the average sunshine in Rival is 8.3h.

UV index

In September, the average daily maximum UV index in Rival is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Rival in September?

During September, Rival experiences an average 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 in Rival?

In Rival, North Dakota, the average relative humidity in September is 54%.

How much does it rain in Rival in September?

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

When it does not snow in Rival?

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

Does it snow in Rival in September?

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

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

In Rival, North Dakota, the average day length in September is 12h and 34min.

When are sunrise and sunset in September in Rival?

On the first day of September, sunrise is at 7:08 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 7:30 pm CDT.

How many hours of sunshine does Rival have in September?

In September, the average sunshine duration in Rival, North Dakota, is 8.3h.

What is the UV index reading in September in Rival?

In September, the average daily maximum UV index in Rival is 4. A UV Index 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
Rival, ND

Average temperature in September - Rival, 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).

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Average pressure in September
Rival, ND

Average pressure in September - Rival, 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).

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Average wind speed in September
Rival, ND

Average wind speed in September - Rival, 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).

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Average humidity in September
Rival, ND

Average humidity in September - Rival, 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%).

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Average rainfall in September
Rival, ND

Average rainfall in September - Rival, 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").

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Average rainfall days in September
Rival, ND

Average rainfall days in September - Rival, 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).

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Average snowfall in September
Rival, ND

Average snowfall in September - Rival, 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").

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Average snowfall days in September
Rival, ND

Average snowfall days in September - Rival, 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).

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

Average daylight in September / Average sunshine in September - Rival, 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).

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Average sunshine days in September
Rival, ND

Average sunshine days in September - Rival, 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).

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Average UV index in September
Rival, ND

Average UV index in September - Rival, 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).

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Average cloud cover in September
Rival, ND

Average cloud cover in September - Rival, 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).

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Average visibility in September
Rival, ND

Average visibility in September - Rival, 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).

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Rival, North Dakota, USA

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