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

September weather forecast and Climate
Anaconda, MT

  • The average high temperature in September: 21.2°C

Warmest months (with the highest average high temperature) are July and August (26.9°C).
The month with the lowest average high temperature is December (1.6°C).

  • The average low temperature in September: 3.3°C

The month with the highest average low temperature is July (8.2°C).
Coldest months (with the lowest average low temperature) are January and December (-10.5°C).

  • The average rainfall in September: 29mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the lowest rainfall) is February (11.7mm).