Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September signals a shift in temperature, down from a moderately hot 75.2°F (24°C) in August to a comfortable 65.7°F (18.7°C). Nightfall in September introduces a considerable dip in temperature in Maxville, settling at an average of 41.2°F (5.1°C).Humidity
In Maxville, Montana, the average relative humidity in September is 55%.Rainfall
In Maxville, in September, it is raining for 7.5 days, with typically 0.87" (22mm) of accumulated precipitation. In Maxville, during the entire year, the rain falls for 122.8 days and collects up to 17.13" (435mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Maxville, Montana. Throughout September, in the average 1.3 snowfall days, it receives 2.24" (57mm) of snow. Throughout the year, there are 125.4 snowfall days, and 77.91" (1979mm) of snow is accumulated.Daylight
In September, the average length of the day in Maxville is 12h and 32min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:11 pm. On the last day of September, in Maxville, sunrise is at 7:31 am and sunset at 7:13 pm MDT.
Sunshine
In Maxville, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Maxville is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Maxville in September?
What is the average humidity in September in Maxville?
How many days does it rain in September in Maxville?
When does it start to snow in Maxville?
What is the average length of the day in September in Maxville?
When is the sunrise / sunset in September in Maxville?
How many hours of sunshine does Maxville have in September?
What is the UV index intensity in September in Maxville?
Average temperature in September
Maxville, MT
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 41.2°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in September
Maxville, MT
- Average pressure in September: 29.98"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Maxville, MT
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are January, April and November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Maxville, MT
- Average humidity in September: 55%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in September
Maxville, MT
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is August (0.67").
Average rainfall days in September
Maxville, MT
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in September
Maxville, MT
- Average snowfall in September: 2.24"
The month with the highest snowfall is February (12.76").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Maxville, MT
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is February (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Maxville, MT
- Average daylight in September: 12h and 3min
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 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Maxville, MT
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is April (6.3 days).
Average UV index in September
Maxville, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Maxville, MT
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in September
Maxville, 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, March and December (4mi).
Maxville, Montana, USA
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