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 Daleview, entering September brings a temperature decrement, reducing from August's warm 81.3°F (27.4°C) to a pleasant 70°F (21.1°C). During the month of September, the nighttime temperature falls to an average of 52.3°F (11.3°C).Humidity
In Daleview, the average relative humidity in September is 50%.Rainfall
In Daleview, in September, during 8.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Daleview, during the entire year, the rain falls for 93.3 days and collects up to 12.01" (305mm) of precipitation.Snowfall
In Daleview, snow does not fall in June through September.Daylight
In Daleview, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 6:17 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:39 pm MDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
In Daleview, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Daleview in September?
What is the average humidity in September in Daleview?
How much does it rain in Daleview in September?
When it does not snow in Daleview?
Does it snow in Daleview in September?
What is the average length of the day in September in Daleview?
When is the sunrise / sunset in September in Daleview?
How long on average sun shines in September in Daleview?
How high is the UV index in September in Daleview?
Average temperature in September
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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
Daleview, 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).
Daleview, Montana, USA
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