September weather forecast and climate
Montana, Switzerland

What is the temperature in September in Montana?

The average high-temperature, in September, in Montana, Switzerland, is 15.9°C (60.6°F), while the average low-temperature is 6.9°C (44.4°F).

When does it start to snow in Montana?

September is the first month it typically snows in Montana, Switzerland. Throughout September, in the average 0.1 snowfall days, it receives 8mm (0.3") of snow.
Average temperature in September - Montana, Switzerland
  • Average high temperature in September: 15.9°C

The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (1.6°C).

  • Average low temperature in September: 6.9°C

The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (-5°C).

Average humidity in September - Montana, Switzerland
  • Average humidity in September: 72%

The month with the highest relative humidity is September (72%).
The month with the lowest relative humidity is April (64%).

Average snowfall in September - Montana, Switzerland
  • Average snowfall in September: 8mm

The month with the highest snowfall is January (1145mm).
Months with the lowest snowfall are July and August (0mm).

Average snowfall days in September - Montana, Switzerland
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (10.1 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight in September / Average sunshine in September - Montana, Switzerland
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

  • Average sunshine in September: 6.7h

The month with most sunshine is July (Average sunshine: 8h).
The month with least sunshine is December (Average sunshine: 3.9h).

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