September weather forecastDeroche, Canada
September
Weather in September
September, the first month of the autumn in Deroche, is still a comfortable month, with temperature in the range of an average low of 6.4°C (43.5°F) and an average high of 17.7°C (63.9°F).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from an agreeable 21.9°C (71.4°F) to a refreshing 17.7°C (63.9°F). Deroche's average low-temperature is measured at a frosty 6.4°C (43.5°F) during September.Humidity
In Deroche, the average relative humidity in September is 78%.Rainfall
In September, in Deroche, the rain falls for 14.8 days. Throughout September, 72mm (2.83") of precipitation is accumulated. In Deroche, during the entire year, the rain falls for 198.9 days and collects up to 1222mm (48.11") of precipitation.Snowfall
In Deroche, snow does not fall in May through October.Daylight
In September, the average length of the day in Deroche, Canada, is 12h and 34min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:48 pm PDT.
Sunshine
In Deroche, the average sunshine in September is 8.2h.UV index
In Deroche, Canada, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Take precautions - Protection against sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Deroche, Canada
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is August (8.7°C).
The coldest month (with the lowest average low temperature) is December (-3.4°C).
Average pressure in September
Deroche, Canada
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is January (1019.3mbar).
The month with the lowest atmospheric pressure is June (1015.6mbar).
Average wind speed in September
Deroche, Canada
- Average wind speed in September: 5.3km/h
The windiest months (with the highest average wind speed) are January and February (6.9km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity in September
Deroche, Canada
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
Deroche, Canada
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is January (173mm).
The driest month (with the least rainfall) is August (31mm).
Average rainfall days in September
Deroche, Canada
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (10.2 days).
Average snowfall in September
Deroche, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (103mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Deroche, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Deroche, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Deroche, Canada
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is August (18.1 days).
The months with the least sunshine days are March and April (8 days).
Average UV index in September
Deroche, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Deroche, Canada
- Average cloud cover in September: 45
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Deroche, Canada
- Average visibility in September: 7km
The months with the highest visibility are May, July and August (8km).
The months with the lowest visibility are January, February, March, November and December (6km).
