September weather forecastTeigen, MT
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Teigen, Montana, with an average temperature fluctuating between 72.7°F (22.6°C) and 53.2°F (11.8°C).Temperature
As August transitions into September, Teigen sees a drop in the average high-temperature, transitioning from a moderately hot 82.8°F (28.2°C) to an agreeable 72.7°F (22.6°C). Teigen throughout September, experiences an average nighttime temperature of 53.2°F (11.8°C).Humidity
The average relative humidity in September in Teigen, Montana, is 44%.Rainfall
In Teigen, Montana, in September, during 8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Teigen, there are 114.3 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Teigen. Throughout September, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. In Teigen, during the entire year, snow falls for 53.5 days and aggregates up to 18.58" (472mm) of snow.Daylight
In Teigen, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:53 pm. On the last day of September, in Teigen, sunrise is at 7:12 am and sunset at 6:55 pm MDT.
Sunshine
The average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Teigen, MT
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in September
Teigen, MT
- Average pressure in September: 29.93"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
Teigen, MT
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in September
Teigen, MT
- Average humidity in September: 44%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Teigen, MT
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Teigen, MT
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Teigen, MT
- Average snowfall in September: 0.12"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Teigen, MT
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Teigen, 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: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 12min).
Average sunshine days in September
Teigen, 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 (12.8 days).
Average UV index in September
Teigen, 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
Teigen, MT
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 16).
Average visibility in September
Teigen, 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).
