September weather forecastHartell, Canada
September
Weather in September
September, the first month of the autumn in Hartell, is still a refreshing month, with an average temperature ranging between max 18°C (64.4°F) and min 6.5°C (43.7°F).Temperature
September brings a minor shift in the average high-temperature, adjusting from a pleasant 22.9°C (73.2°F) in August to a comfortable 18°C (64.4°F). In the month of September, Hartell witnesses a consistent average low-temperature of 6.5°C (43.7°F).Humidity
The least humid month is September, with an average relative humidity of 59%.Rainfall
In September, the rain falls for 7.8 days. Throughout September, 16mm (0.63") of precipitation is accumulated. In Hartell, during the entire year, the rain falls for 94.1 days and collects up to 288mm (11.34") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 29mm (1.14") of snow. In Hartell, during the entire year, snow falls for 75.3 days and aggregates up to 629mm (24.76") of snow.Daylight
In September, the average length of the day is 12h and 36min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:20 pm. On the last day of September, sunrise is at 7:37 am and sunset at 7:16 pm MDT.
Sunshine
In Hartell, Canada, the average sunshine in September is 8.8h.UV index
In Hartell, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 48min
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
Hartell, 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
Hartell, 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
Hartell, 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
Hartell, 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).





