September weather forecastFrazer, MT
September
Weather in September
September, the first month of the autumn in Frazer, is still a pleasant month, with an average temperature fluctuating between 54.5°F (12.5°C) and 70.7°F (21.5°C).Temperature
Frazer's average high-temperature decreases in September, falling from a warm 81.1°F (27.3°C) in August to an agreeable 70.7°F (21.5°C). In the month of September, Frazer experiences an average low-temperature of 54.5°F (12.5°C).Humidity
In Frazer, the average relative humidity in September is 46%.Rainfall
In September, the rain falls for 8.1 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. In Frazer, during the entire year, the rain falls for 81.2 days and collects up to 9.76" (248mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Frazer, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:44 pm MDT.
Sunshine
In Frazer, the average sunshine in September is 10h.UV index
The average daily maximum UV index in September in Frazer is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Frazer, MT
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is February (25.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is February (11.8°F).
Average pressure in September
Frazer, MT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Frazer, MT
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is February (8.9mph).
Average humidity in September
Frazer, MT
- Average humidity in September: 46%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Frazer, MT
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (1.65").
The driest months (with the least rainfall) are January and February (0.39").
Average rainfall days in September
Frazer, MT
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Frazer, MT
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Frazer, MT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Frazer, MT
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Frazer, MT
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is June (16.4 days).
Average UV index in September
Frazer, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Frazer, MT
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in September
Frazer, MT
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
