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
In Flaxville, the average high-temperature in September drops from a moderately hot 81.3°F (27.4°C) in August to a pleasant 70°F (21.1°C). During September nights, Flaxville records an average temperature of 52.3°F (11.3°C).Humidity
In September, the average relative humidity in Flaxville is 50%.Rainfall
In September, the rain falls for 8.6 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Flaxville, during the entire year, the rain falls for 93.3 days and collects up to 12.01" (305mm) of precipitation.Snowfall
June through September are months without snowfall in Flaxville.Daylight
In September, the average length of the day in Flaxville, Montana, is 12h and 34min.On the first day of September, sunrise is at 6:18 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:40 pm MDT.
Sunshine
In September, the average sunshine in Flaxville is 9.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Flaxville?
What is the average humidity in September in Flaxville?
How much does it rain in Flaxville in September?
When it does not snow in Flaxville?
Does it snow in Flaxville in September?
What is the average length of the day in September in Flaxville?
When are sunrise and sunset in September in Flaxville?
How many hours of sunshine does Flaxville have in September?
What is the UV index intensity in September in Flaxville?
Average temperature in September
Flaxville, MT
- Average high temperature in September: 70°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).
Average pressure in September
Flaxville, MT
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Flaxville, MT
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).
Average humidity in September
Flaxville, MT
- Average humidity in September: 50%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Flaxville, MT
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Flaxville, MT
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Flaxville, MT
- Average snowfall in September: 0"
The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Flaxville, MT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flaxville, MT
- Average daylight in September: 12h and 4min
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 18min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Flaxville, MT
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).
Average UV index in September
Flaxville, MT
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Flaxville, MT
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in September
Flaxville, MT
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Flaxville, Montana, USA
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