Dickinson
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Dickinson, ND

September, the first month of the autumn, in Dickinson, is still a pleasant month, with average temperature ranging between max 71.2°F (21.8°C) and min 43.2°F (6.2°C).

Temperature

In Dickinson, the average high-temperature decreases, from a warm 83.1°F (28.4°C) in August, to a pleasant 71.2°F (21.8°C). In Dickinson, the average low-temperature is 43.2°F (6.2°C).

Rainfall

In Dickinson, during September, the rain falls for 6.6 days and regularly aggregates up to 1.5" (37.3mm) of precipitation. In Dickinson, during the entire year, the rain falls for 86.5 days and collects up to 15.7" (400mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.5" (12.7mm) of snow. Throughout the year, in Dickinson, there are 28.9 snowfall days, and 33.7" (855.9mm) of snow is accumulated.

Daylight

The average length of the day in Dickinson, North Dakota, is 12.5h.

Sunshine

In September, the average sunshine in Dickinson is 8h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in September in Dickinson?

The average high-temperature, in September, is 71.2°F (21.8°C), while the average low-temperature is 43.2°F (6.2°C).

How much does it rain in Dickinson in September?

In Dickinson, North Dakota, in September, it is raining for 6.6 days, with typically 1.5" (37.3mm) of accumulated precipitation.

When does it start to snow in Dickinson?

September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.5" (12.7mm) of snow.

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

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

How many hours of sunshine does Dickinson have in September?

The average sunshine in September in Dickinson is 8h.

What is the UV index reading in September in Dickinson?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in September - Dickinson, ND
  • Average high temperature in September: 71.2°F

The warmest month (with the highest average high temperature) is July (83.6°F).
The month with the lowest average high temperature is January (26.4°F).

  • Average low temperature in September: 43.1°F

The month with the highest average low temperature is July (54.9°F).
The coldest month (with the lowest average low temperature) is January (6.2°F).

Average rainfall in September - Dickinson, ND
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is June (3.2").
The driest month (with the lowest rainfall) is December (0.2").

Average rainfall days in September - Dickinson, ND
  • Average rainfall days in September: 6.6 days

The month with the highest number of rainy days is June (12.2 days).
The month with the lowest number of rainy days is February (4.3 days).

Average snowfall in September - Dickinson, ND
  • Average snowfall in September: 0.5"

The month with the highest snowfall is March (5.6").
Months with the lowest snowfall are June, July and August (0").

Average snowfall days in September - Dickinson, ND
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (5.2 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

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

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

  • Average sunshine in September: 8h

Months with most sunshine are June and July (Average sunshine: 11h).
Months with least sunshine are November and December (Average sunshine: 4).

Average UV index in September - Dickinson, ND
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).