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 the transition to September, Drummond observes a drop in the average high-temperature, moving from a warm 77°F (25°C) in August to a refreshing 66.4°F (19.1°C). Drummond experiences a significant downturn from peak daytime temperatures throughout September, with the average low-temperature dipping to an icy 40.3°F (4.6°C).Humidity
In Drummond, the average relative humidity in September is 56%.Rainfall
The months with the least rainfall are August through October Rain falls for 6.9 days and accumulates 0.59" (15mm) of rain.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 86.9 snowfall days, and 39.96" (1015mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:13 pm MDT.
Sunshine
In Drummond, the average sunshine in September is 9.8h.UV index
In Drummond, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Drummond?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September in Drummond?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Drummond, MT
- Average high temperature in September: 66.4°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in September: 40.3°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in September
Drummond, MT
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Drummond, MT
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Drummond, MT
- Average humidity in September: 56%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in September
Drummond, MT
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").
Average rainfall days in September
Drummond, MT
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Drummond, MT
- Average snowfall in September: 0.39"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Drummond, MT
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Drummond, 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 36min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in September
Drummond, MT
- Average sunshine days in September: 21.9 days
The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Drummond, 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 January (UV index 1).
Average cloud cover in September
Drummond, MT
- Average cloud cover in September: 20
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 13).
Average visibility in September
Drummond, 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 and December (4mi).
Drummond, Montana, USA
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