September weather forecastCanyon Creek, MT
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Canyon Creek, Montana, with an average temperature fluctuating between 66.2°F (19°C) and 42.4°F (5.8°C).Temperature
With the beginning of September, the average high-temperature shows a decrease, transitioning from a warm 76.6°F (24.8°C) in August to an enjoyable 66.2°F (19°C). During September, Canyon Creek detects a significant contrast from its daytime temperatures, with nights averaging at an icy 42.4°F (5.8°C).Humidity
The average relative humidity in September in Canyon Creek is 54%.Rainfall
In Canyon Creek, Montana, during September, the rain falls for 7.6 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Canyon Creek, Montana, there are 106.9 rainfall days, and 13.27" (337mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Canyon Creek, Montana. September is the first month it typically snows in Canyon Creek. Throughout September, in the average 1.8 snowfall days, it receives 3.03" (77mm) of snow. Throughout the year, there are 92.7 snowfall days, and 45.59" (1158mm) of snow is accumulated.Daylight
In Canyon Creek, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:49 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:09 pm MDT.
Sunshine
The average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Canyon Creek, MT
- Average high temperature in September: 66.2°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (26.2°F).
- Average low temperature in September: 42.4°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in September
Canyon Creek, MT
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Canyon Creek, MT
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is November (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Canyon Creek, MT
- Average humidity in September: 54%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in September
Canyon Creek, MT
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in September
Canyon Creek, MT
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Canyon Creek, MT
- Average snowfall in September: 3.03"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Canyon Creek, MT
- Average snowfall days in September: 1.8 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Canyon Creek, MT
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in September
Canyon Creek, MT
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in September
Canyon Creek, MT
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Canyon Creek, MT
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in September
Canyon Creek, MT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





