September weather forecast and climate
Cummings, ND

Weather in September

The first month of the autumn, September, is still a pleasant month in Cummings, North Dakota, with average temperature varying between 71.1°F (21.7°C) and 52.3°F (11.3°C).

Temperature

In Cummings, the average high-temperature decreases, from a warm 81.1°F (27.3°C) in August, to a pleasant 71.1°F (21.7°C). The average low-temperature, is 52.3°F (11.3°C).

Humidity

The average relative humidity in September is 62%.

Rainfall

In Cummings, North Dakota, during 8.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Cummings, North Dakota, there are 103 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

In Cummings snow does not fall in June through September.

Daylight

In Cummings, the average length of the day is 12.5h.

Sunshine

In Cummings, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Cummings?

In Cummings, in September, the average high-temperature is 71.1°F (21.7°C), and the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in September in Cummings?

In September, the average relative humidity is 62%.

How much does it rain in Cummings in September?

In Cummings, in September, during 8.5 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

Does it snow in Cummings in September?

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

When it does not snow in Cummings?

In Cummings, North Dakota, snow does not fall in June through September.

How many hours of daylight does Cummings have in September?

In September, the average length of the day is 12.5h.

How long on average sun shines in September in Cummings?

In Cummings, the average sunshine in September is 8.7h.

What is the UV index intensity in September in Cummings?

The average daily maximum UV index in September in Cummings, North Dakota, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Cummings, ND

Average temperature in September - Cummings, ND
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).

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Average pressure in September
Cummings, ND

Average pressure in September - Cummings, ND
  • Average pressure in September: 29.96"

The month with the highest atmospheric pressure is February (30.17").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in September
Cummings, ND

Average wind speed in September - Cummings, ND
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in September
Cummings, ND

Average humidity in September - Cummings, 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
Cummings, ND

Average rainfall in September - Cummings, ND
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").

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Average rainfall days in September
Cummings, ND

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

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in September
Cummings, ND

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

The month with the highest snowfall is December (4.53").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Cummings, ND

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

The month with the highest number of snowfall days is December (14.6 days).
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
Cummings, ND

Average daylight in September / Average sunshine in September - Cummings, ND
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in September: 8.7h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in September
Cummings, ND

Average sunshine days in September - Cummings, ND
  • Average sunshine days in September: 20.1 days

The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in September
Cummings, ND

Average UV index in September - Cummings, ND
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in September
Cummings, ND

Average cloud cover in September - Cummings, ND
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in September
Cummings, ND

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

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

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