Montana, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Moccasin, MT

The first month of the autumn, September, is also an agreeable month in Moccasin, Montana, with average temperature fluctuating between 68°F (20°C) and 41°F (5°C).


In Moccasin, the average high-temperature decreases, from a moderately hot 80.6°F (27°C) in August, to an agreeable 68°F (20°C). In September, the average low-temperature is 41°F (5°C).


During September, Moccasin regularly aggregates up to 1.4" (36mm) of precipitation. During the entire year, Moccasin aggregates up to 15.2" (387mm) of precipitation.


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

What is the temperature in September in Moccasin?

The average high-temperature, in September, is 68°F (20°C), while the average low-temperature is 41°F (5°C).

How much does it rain in Moccasin in September?

Throughout September, in Moccasin, 1.4" (36mm) of precipitation is accumulated.

How many hours of daylight does Moccasin have in September?

In September, the average length of the day is 12.5h.
Average temperature in September - Moccasin, MT
  • Average high temperature in September: 68°F

Warmest months (with the highest average high temperature) are July and August (80.6°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in September: 41°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).

Average rainfall in September - Moccasin, MT
  • Average rainfall in September: 1.4"

The wettest month (with the highest rainfall) is June (3.1").
The driest month (with the lowest rainfall) is February (0.4").

Average daylight in September - Moccasin, MT
  • 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).