September weather forecast
Victor, MT

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is also an agreeable month in Victor, Montana, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 68°F (20°C).

Temperature

The move into September indicates a reduction in the average high-temperature, down from August's warm 77.5°F (25.3°C) to a pleasant 68°F (20°C). Victor reports a marked divergence from daytime peaks throughout September, with lows averaging at an icy 42.1°F (5.6°C).

Humidity

In Victor, the average relative humidity in September is 56%.

Rainfall

In Victor, in September, during 7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Victor, there are 140.1 rainfall days, and 15.16" (385mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. September is the first month it typically snows in Victor. Throughout September, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, in Victor, there are 87.7 snowfall days, and 46.5" (1181mm) of snow is accumulated.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 6:57 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:17 pm MDT.

Sunshine

In September, the average sunshine in Victor is 9.5h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
[Resources]

Frequently asked questions

What are the temperatures in Victor in September?

An average high-temperature, in September, in Victor, is 68°F (20°C) and the average low-temperature is 42.1°F (5.6°C).

What is the average humidity in September in Victor?

In Victor, the average relative humidity in September is 56%.

How much does it rain in Victor in September?

In Victor, Montana, in September, during 7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

When does it start snowing in Victor?

September is the first month it typically snows in Victor, Montana. Throughout September, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Victor have in September?

In Victor, the average day length in September is 12h and 32min.

When are sunrise and sunset in September in Victor?

On the first day of September in Victor, sunrise is at 6:57 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 7:17 pm MDT.

How long on average sun shines in September in Victor?

In September, the average sunshine duration in Victor, Montana, is 9.5h.

What is the UV index intensity in September in Victor?

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Victor, MT

Average temperature in September - Victor, MT
  • Average high temperature in September: 68°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in September: 42.1°F

The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (16°F).

[Resources]

Average pressure in September
Victor, MT

Average pressure in September - Victor, MT
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

[Resources]

Average wind speed in September
Victor, MT

Average wind speed in September - Victor, MT
  • Average wind speed in September: 4.6mph

The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

[Resources]

Average humidity in September
Victor, MT

Average humidity in September - Victor, MT
  • Average humidity in September: 56%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (49%).

[Resources]

Average rainfall in September
Victor, MT

Average rainfall in September - Victor, MT
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is February (1.93").
The driest months (with the least rainfall) are July and August (0.43").

[Resources]

Average rainfall days in September
Victor, MT

Average rainfall days in September - Victor, MT
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.3 days).

[Resources]

Average snowfall in September
Victor, MT

Average snowfall in September - Victor, MT
  • Average snowfall in September: 0.2"

The month with the highest snowfall is February (11.22").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in September
Victor, MT

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

The month with the highest number of snowfall days is February (17.3 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Victor, MT

Average daylight in September / Average sunshine in September - Victor, MT
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

[Resources]

Average sunshine days in September
Victor, MT

Average sunshine days in September - Victor, MT
  • Average sunshine days in September: 21.5 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (6.9 days).

[Resources]

Average UV index in September
Victor, MT

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).

[Resources]

Average cloud cover in September
Victor, MT

Average cloud cover in September - Victor, MT
  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 13).

[Resources]

Average visibility in September
Victor, MT

Average visibility in September - Victor, MT
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

[Resources]

Victor, Montana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location