September weather forecastDieppe, Canada
September
Weather in September
September, the first month of the autumn in Dieppe, is also an enjoyable month, with an average temperature ranging between min 10.1°C (50.2°F) and max 19.3°C (66.7°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 23.7°C (74.7°F) to a comfortable 19.3°C (66.7°F). The low-temperature averages to a cool 10.1°C (50.2°F) during the nights of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Dieppe, during September, the rain falls for 13 days and regularly aggregates up to 56mm (2.2") of precipitation. In Dieppe, during the entire year, the rain falls for 152.8 days and collects up to 769mm (30.28") of precipitation.Snowfall
In Dieppe, snow does not fall in June through September.Daylight
In Dieppe, Canada, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:00 pm ADT.
Sunshine
In Dieppe, Canada, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dieppe, Canada
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-4°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-11.2°C).
Average pressure in September
Dieppe, Canada
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in September
Dieppe, Canada
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is January (14.8km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Dieppe, Canada
- Average humidity in September: 79%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are May and July (77%).
Average rainfall in September
Dieppe, Canada
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is July (50mm).
Average rainfall days in September
Dieppe, Canada
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Dieppe, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is February (275mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Dieppe, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dieppe, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 6min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Dieppe, Canada
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Dieppe, Canada
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in September
Dieppe, Canada
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Dieppe, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, July, September and October (9km).
The months with the lowest visibility are January, February and March (7km).





