September weather forecastSaint-Augustin, Canada
September
Weather in September
The first month of the autumn, September, is still a cool month in Saint-Augustin, Canada, with an average temperature fluctuating between 12.6°C (54.7°F) and 7.4°C (45.3°F).Temperature
September signals a slight drop in average high-temperature, sliding from August's refreshing 17.4°C (63.3°F) to a fresh 12.6°C (54.7°F). During September, the average low-temperature is recorded at a chilly 7.4°C (45.3°F).Humidity
September is the least humid month in Saint-Augustin, Canada, with an average relative humidity of 79%.Rainfall
In Saint-Augustin, in September, it is raining for 15.2 days, with typically 73mm (2.87") of accumulated precipitation. In Saint-Augustin, during the entire year, the rain falls for 136.9 days and collects up to 805mm (31.69") of precipitation.Snowfall
In Saint-Augustin, snow does not fall in June through September.Sea temperature
In Saint-Augustin, the average seawater temperature in September is 11.3°C (52.3°F).Note: Swimming in 11.3°C (52.3°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 5:08 am and sunset at 6:39 pm. On the last day of September, sunrise is at 5:54 am and sunset at 5:34 pm AST.
Sunshine
In Saint-Augustin, the average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Saint-Augustin, Canada
- Average high temperature in September: 12.6°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (-7.3°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in September
Saint-Augustin, Canada
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is January (1006.7mbar).
Average wind speed in September
Saint-Augustin, Canada
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is November (22.8km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Saint-Augustin, Canada
- Average humidity in September: 79%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Saint-Augustin, Canada
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (52mm).
Average rainfall days in September
Saint-Augustin, Canada
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Saint-Augustin, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (181mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Augustin, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in September
Saint-Augustin, Canada
- Average sea temperature in September: 11.3°C
The best month for swimming (with the highest average sea temperature) is August (13.8°C).
The coldest month (with the lowest average sea temperature) is March (-1.4°C).
Average daylight in September /
Average sunshine in September
Saint-Augustin, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint-Augustin, Canada
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (14.2 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in September
Saint-Augustin, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and April (UV index 1).
Average cloud cover in September
Saint-Augustin, Canada
- Average cloud cover in September: 50
The month with the most cloud cover is April (Cloud cover 69).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Saint-Augustin, Canada
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April, May and December (8km).





