Devils Lake
North Dakota, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Devils Lake, ND

September, the first month of the autumn, in Devils Lake, is also an enjoyable month, with average temperature varying between 67.6°F (19.8°C) and 46.6°F (8.1°C).

Temperature

In Devils Lake, the average high-temperature in September decreases, from a moderately hot 79.2°F (26.2°C) in August, to a comfortable 67.6°F (19.8°C). In Devils Lake, the average low-temperature is 46.6°F (8.1°C).

Rainfall

In Devils Lake, in September, it is raining for 8.4 days, with typically 1.8" (45.7mm) of accumulated precipitation. In Devils Lake, during the entire year, the rain falls for 99.9 days and collects up to 18.9" (480.9mm) of precipitation.

Snowfall

In Devils Lake, North Dakota, it doesn't snow. In October, it regularly snows. In Devils Lake, North Dakota, during the entire year, snow falls for 23.6 days, and aggregates up to 34.3" (871.3mm) of snow.

Daylight

In September, the average length of the day is 12.6h.

Sunshine

The average sunshine in Devils Lake is 7h.

UV index

In September, the average daily maximum UV index in Devils Lake is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Devils Lake?

In Devils Lake, North Dakota, in September, the average high-temperature is 67.6°F (19.8°C), and the average low-temperature is 46.6°F (8.1°C).

How many days does it rain in September in Devils Lake?

In Devils Lake, North Dakota, in September, it is raining for 8.4 days, with typically 1.8" (45.7mm) of accumulated precipitation.

Does it snow in Devils Lake in September?

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

What is the average length of the day in September in Devils Lake?

In Devils Lake, the average length of the day in September is 12.6h.

How many hours of sunshine does Devils Lake have in September?

The average sunshine in September in Devils Lake is 7h.

How high is the UV index in September in Devils Lake?

In Devils Lake, North Dakota, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.
Average temperature in September - Devils Lake, ND
  • Average high temperature in September: 67.7°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (14.7°F).

  • Average low temperature in September: 46.5°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (-2.5°F).

Average rainfall in September - Devils Lake, ND
  • Average rainfall in September: 1.8"

The wettest month (with the highest rainfall) is June (3.8").
The driest month (with the lowest rainfall) is February (0.5").

Average rainfall days in September - Devils Lake, ND
  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is June (12.1 days).
The month with the lowest number of rainy days is February (6.7 days).

Average snowfall in September - Devils Lake, ND
  • Average snowfall in September: 0"

The month with the highest snowfall is December (7.2").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in September - Devils Lake, ND
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (6.2 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Devils Lake, ND
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16h).
The month with shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 7h

The month with most sunshine is July (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 3h).

Average UV index in September - Devils Lake, ND
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 8).
Months with the lowest UV index are January, February, November and December (UV index 1).