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

September weather forecast and climate
Mandan, ND

Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota, clear dramatic landscape
Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota, clear dramatic landscape
The first month of the autumn, September, is still a pleasant month in Mandan, North Dakota, with temperature in the range of an average low of 44.1°F (6.7°C) and an average high of 72°F (22.2°C).

Temperature

In September, the average high-temperature drops, from a warm 83.5°F (28.6°C) in August, to a pleasant 72°F (22.2°C). In Mandan, the average low-temperature is 44.1°F (6.7°C).

Daylight

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

What is the temperature in September in Mandan?

In Mandan, North Dakota, in September, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 44.1°F (6.7°C).

How many hours of daylight does Mandan have in September?

The average length of the day in September in Mandan is 12.5h.
Average temperature in September - Mandan, ND
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (19.9°F).

  • Average low temperature in September: 44.1°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (-1.5°F).

Average daylight in September - Mandan, 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).