September weather forecastBuelow, MT
September
Weather in September
September, the first month of the autumn in Buelow, is also an agreeable month, with an average temperature fluctuating between 52°F (11.1°C) and 70.2°F (21.2°C).Temperature
Buelow in September demonstrates a small temperature transition, adjusting from an average high of a warm 81.1°F (27.3°C) in August to a pleasant 70.2°F (21.2°C). Buelow records an average temperature drop to a fresh 52°F (11.1°C) in September.Humidity
The average relative humidity in September is 45%.Rainfall
In Buelow, in September, it is raining for 8.6 days, with typically 0.98" (25mm) of accumulated precipitation. In Buelow, during the entire year, the rain falls for 113.8 days and collects up to 11.89" (302mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Buelow. Throughout September, in the average 0.5 snowfall days, it receives 0.67" (17mm) of snow. In Buelow, Montana, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:03 pm MDT.
Sunshine
In Buelow, the average sunshine in September is 9.9h.UV index
In Buelow, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Buelow, MT
- Average high temperature in September: 70.2°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in September
Buelow, MT
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Buelow, MT
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Buelow, MT
- Average humidity in September: 45%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Buelow, MT
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in September
Buelow, MT
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Buelow, MT
- Average snowfall in September: 0.67"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Buelow, MT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Buelow, MT
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in September
Buelow, MT
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in September
Buelow, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Buelow, MT
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in September
Buelow, 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).





