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 start of September comes with a reduction in the average high-temperature, receding from a warm 81.3°F (27.4°C) in August to a pleasant 70°F (21.1°C). During the month of September, the temperature in Dooley falls to an average of 52.3°F (11.3°C).Humidity
In Dooley, the average relative humidity in September is 50%.Rainfall
In Dooley, in September, during 8.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 93.3 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
In Dooley, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:39 pm. On the last day of September, in Dooley, sunrise is at 6:56 am and sunset at 6:37 pm MDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What are September temperatures in Dooley?
What is the average humidity in September in Dooley?
How much does it rain in Dooley in September?
When it does not snow in Dooley?
Does it snow in Dooley in September?
What is the average length of the day in September in Dooley?
What time are sunrise and sunset in September in Dooley?
How long on average sun shines in September in Dooley?
How high is the UV index in September in Dooley?
Average temperature in September
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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
Dooley, 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).
Dooley, Montana, USA
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