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
September signals a slight drop in average high-temperature, sliding from August's pleasant 22.9°C (73.2°F) to a comfortable 18°C (64.4°F). During September, Drumheller experiences an average low-temperature of 6.5°C (43.7°F) at night.Humidity
The least humid month in Drumheller is September, with an average relative humidity of 59%.Rainfall
In Drumheller, in September, during 7.8 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Drumheller, there are 94.1 rainfall days, and 288mm (11.34") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Drumheller. Throughout September, in the average 1.5 snowfall days, it receives 29mm (1.14") of snow. In Drumheller, during the entire year, snow falls for 75.3 days and aggregates up to 629mm (24.76") of snow.Daylight
The average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:16 pm. On the last day of September, in Drumheller, sunrise is at 7:31 am and sunset at 7:09 pm MDT.
Sunshine
In Drumheller, the average sunshine in September is 8.8h.UV index
In Drumheller, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the temperature in September in Drumheller?
What is the least humid month in Drumheller?
What is the average humidity in September in Drumheller?
How much does it rain in Drumheller in September?
When does it start to snow in Drumheller?
How many hours of daylight does Drumheller have in September?
When are sunrise and sunset in September in Drumheller?
How many hours of sunshine does Drumheller have in September?
How high is the UV index in September in Drumheller?
Average temperature in September
Drumheller, Canada
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is December (-4.8°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is December (-11.5°C).
Average pressure in September
Drumheller, Canada
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).
Average wind speed in September
Drumheller, Canada
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Drumheller, Canada
- Average humidity in September: 59%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is September (59%).
Average rainfall in September
Drumheller, Canada
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in September
Drumheller, Canada
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in September
Drumheller, Canada
- Average snowfall in September: 29mm
The month with the highest snowfall is April (102mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Drumheller, Canada
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Drumheller, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Drumheller, Canada
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Drumheller, Canada
- 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
Drumheller, Canada
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Drumheller, Canada
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, July, October, November and December (9km).
Drumheller, Canada
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