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

September weather forecast and climate
Rolla, ND

The first month of the autumn, September, is also an enjoyable month in Rolla, North Dakota, with average temperature varying between 43.3°F (6.3°C) and 64.2°F (17.9°C).

Temperature

In Rolla, the average high-temperature decreases, from a moderately hot 74.7°F (23.7°C) in August, to an enjoyable 64.2°F (17.9°C). The average low-temperature, in Rolla, is 43.3°F (6.3°C).

Rainfall

Throughout September, 1.6" (41.1mm) of precipitation is accumulated. Throughout the year, 17.9" (454.8mm) of rain is accumulated.

Snowfall

In Rolla, in September, it doesn't snow. In October, it regularly snows. In Rolla, during the entire year, snow aggregates up to 25.4" (645.2mm).

Daylight

The average length of the day in September in Rolla is 12.6h.

What is the temperature in September in Rolla?

The average high-temperature, in September, in Rolla, is 64.2°F (17.9°C), while the average low-temperature is 43.3°F (6.3°C).

How much does it rain in Rolla in September?

Throughout September, in Rolla, North Dakota, 1.6" (41.1mm) of precipitation is accumulated.

Does it snow in Rolla in September?

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

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

In September, the average length of the day in Rolla is 12.6h.
Average temperature in September - Rolla, ND
  • Average high temperature in September: 64.2°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (15.3°F).

  • Average low temperature in September: 43.4°F

The month with the highest average low temperature is July (55.7°F).
The coldest month (with the lowest average low temperature) is January (-2.4°F).

Average rainfall in September - Rolla, ND
  • Average rainfall in September: 1.6"

The wettest month (with the highest rainfall) is June (3.6").
Driest months (with the lowest rainfall) are January and February (0.4").

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

The month with the highest snowfall is December (5.9").
Months with the lowest snowfall are June, July, August and September (0").

Average daylight in September - Rolla, ND
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.3h).