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 September, the average high-temperature decreases from a warm 75.7°F (24.3°C) in August to a refreshing 65.5°F (18.6°C). The nighttime temperature during September exhibits a clear drop from daytime highs, settling at a cold 41.2°F (5.1°C).Humidity
In September, the average relative humidity is 55%.Rainfall
In Deer Lodge, during September, the rain falls for 9.7 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 151.7 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
Months with snowfall in Deer Lodge are January through June, September through December. September is the first month it typically snows in Deer Lodge. Throughout September, in the average 1.2 snowfall days, it receives 1.73" (44mm) of snow. In Deer Lodge, during the entire year, snow falls for 105 days and aggregates up to 49.69" (1262mm) of snow.Daylight
The average length of the day in September in Deer Lodge is 12h and 32min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:09 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:12 pm MDT.
Sunshine
The average sunshine in September is 9.7h.UV index
In Deer Lodge, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are September temperatures in Deer Lodge?
What is the average humidity in September in Deer Lodge?
How much does it rain in Deer Lodge in September?
When does it start snowing in Deer Lodge?
How many hours of daylight does Deer Lodge have in September?
When is the sunrise / sunset in September in Deer Lodge?
How many hours of sunshine does Deer Lodge have in September?
What is the UV index reading in September in Deer Lodge?
Average temperature in September
Deer Lodge, MT
- Average high temperature in September: 65.5°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in September: 41.2°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (11.7°F).
Average pressure in September
Deer Lodge, 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 (29.91"Hg).
Average wind speed in September
Deer Lodge, MT
- Average wind speed in September: 5.6mph
The windiest months (with the highest average wind speed) are January and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in September
Deer Lodge, 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
Deer Lodge, MT
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Deer Lodge, MT
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is December (8.8 days).
Average snowfall in September
Deer Lodge, MT
- Average snowfall in September: 1.73"
The month with the highest snowfall is February (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Deer Lodge, MT
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is February (19.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Deer Lodge, MT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
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 30min).
Average sunshine days in September
Deer Lodge, MT
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in September
Deer Lodge, MT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Deer Lodge, MT
- Average cloud cover in September: 22
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Deer Lodge, MT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Deer Lodge, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
