September weather forecast and climate
Dixon, MT

The first month of the autumn, September, is also an agreeable month in Dixon, Montana, with average temperature fluctuating between 68.5°F (20.3°C) and 42.3°F (5.7°C).

Temperature

In September, the average high-temperature decreases, from a warm 79.3°F (26.3°C) in August, to an agreeable 68.5°F (20.3°C). In September, in Dixon, the average low-temperature is 42.3°F (5.7°C).

Humidity

In September, the average relative humidity in Dixon, Montana, is 58%.

Rainfall

In Dixon, during 9.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 129.9 rainfall days, and 13.5" (343mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Dixon. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.47" (12mm) of snow. In Dixon, during the entire year, snow falls for 67.1 days, and aggregates up to 28.27" (718mm) of snow.

Daylight

The average length of the day is 12.5h.

Sunshine

In Dixon, Montana, the average sunshine in September is 9.3h.

UV index

In Dixon, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Dixon?

The average high-temperature, in September, in Dixon, is 68.5°F (20.3°C), while the average low-temperature is 42.3°F (5.7°C).

What is the average humidity in September in Dixon?

In September, the average relative humidity in Dixon, Montana, is 58%.

How much does it rain in Dixon in September?

In September, the rain falls for 9.3 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When does it start to snow in Dixon?

September is the first month it typically snows in Dixon, Montana. Throughout September, in the average 0.2 snowfall days, it receives 0.47" (12mm) of snow.

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

In September, the average length of the day is 12.5h.

How many hours of sunshine does Dixon have in September?

In Dixon, the average sunshine in September is 9.3h.

What is the UV index intensity in September in Dixon?

In September, the average daily maximum UV index in Dixon, Montana, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Dixon, MT
  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is December (-2°C).

  • Average low temperature in September: 5.7°C

The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is December (-8.5°C).

Average pressure in September - Dixon, MT
  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1013.3mbar).

Average wind speed in September - Dixon, MT
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is April (7.7km/h).
The calmest month (with the lowest average wind speed) is December (6.2km/h).

Average humidity in September - Dixon, MT
  • Average humidity in September: 58%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (49%).

Average rainfall in September - Dixon, MT
  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is June (56mm).
The driest months (with the least rainfall) are July and August (16mm).

Average rainfall days in September - Dixon, MT
  • Average rainfall days in September: 9.3 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).

Average snowfall in September - Dixon, MT
  • Average snowfall in September: 12mm

The month with the highest snowfall is February (165mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in September - Dixon, MT
  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is December (14.5 days).
Months with the least snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Dixon, MT
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 9.3h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.7h).

Average sunshine days in September - Dixon, MT
  • Average sunshine days in September: 18.2 days

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).

Average UV index in September - Dixon, MT
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are February and December (UV index 1).

Average cloud cover in September - Dixon, MT
  • Average cloud cover in September: 23

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in September - Dixon, MT
  • Average visibility in September: 10km

Months with the highest visibility are July, August and September (10km).
Months with the lowest visibility are January and February (6km).