September weather forecast and climate
Belfield, ND

September, the first month of the autumn, in Belfield, is also an agreeable month, with average temperature fluctuating between 52.7°F (11.5°C) and 71.4°F (21.9°C).

Temperature

In Belfield, the average high-temperature in September decreases, from a warm 81.7°F (27.6°C) in August, to an agreeable 71.4°F (21.9°C). In Belfield, in September, the average low-temperature is 52.7°F (11.5°C).

Humidity

The average relative humidity in September is 52%.

Rainfall

In Belfield, North Dakota, it is raining for 8.2 days, with typically 1.5" (38mm) of accumulated precipitation. In Belfield, North Dakota, during the entire year, the rain falls for 90.5 days and collects up to 13.78" (350mm) of precipitation.

Snowfall

In Belfield snow does not fall in June through September.

Daylight

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

Sunshine

In September, the average sunshine is 9.8h.

UV index

In Belfield, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.

What is the temperature in September in Belfield?

The average high-temperature, in September, in Belfield, is 71.4°F (21.9°C), while the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September in Belfield?

In Belfield, the average relative humidity in September is 52%.

How many days does it rain in September in Belfield?

In Belfield, in September, during 8.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

Does it snow in Belfield in September?

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

When it does not snow in Belfield?

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

How many hours of daylight does Belfield have in September?

The average length of the day in September is 12.5h.

How many hours of sunshine does Belfield have in September?

The average sunshine in September in Belfield is 9.8h.

How high is the UV index in September in Belfield?

The average daily maximum UV index in September in Belfield is 4. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Belfield, ND
  • Average high temperature in September: 21.9°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (-4.7°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is July (16.4°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).

Average pressure in September - Belfield, ND
  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is February (1021.4mbar).
The month with the lowest atmospheric pressure is June (1010.5mbar).

Average wind speed in September - Belfield, ND
  • Average wind speed in September: 16.9km/h

The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).

Average humidity in September - Belfield, ND
  • Average humidity in September: 52%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (51%).

Average rainfall in September - Belfield, ND
  • Average rainfall in September: 38mm

The wettest months (with the highest rainfall) are May and July (49mm).
The driest month (with the least rainfall) is January (11mm).

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

The month with the highest number of rainy days is June (12.9 days).
Months with the least rainy days are January and February (2.3 days).

Average snowfall in September - Belfield, ND
  • Average snowfall in September: 0mm

The month with the highest snowfall is November (80mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (11.9 days).
Months with the least snowfall days are June, July and August (0 days).

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

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 9.8h

The month with the most sunshine is July (Average sunshine: 11.5h).
Months with the least sunshine are January and February (Average sunshine: 4.4).

Average sunshine days in September - Belfield, ND
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (14.4 days).

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

Months with the highest UV index are July and August (UV index 6).
Months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September - Belfield, ND
  • Average cloud cover in September: 24

The month with the most cloud cover is February (Cloud cover 56).
Months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in September - Belfield, ND
  • Average visibility in September: 10km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, November and December (9km).