September weather forecast
Dieppe, 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.

Frequently asked questions

What is the temperature in September?
Dieppe in September has an average high-temperature of 19.3°C (66.7°F) and an average low-temperature of 10.1°C (50.2°F).
What is the average humidity in September?
In September, the average relative humidity is 79%.
How much does it rain in Dieppe in September?
In Dieppe, in September, it is raining for 13 days, with typically 56mm (2.2") of accumulated precipitation.
When it does not snow?
In Dieppe, snow does not fall in June through September.
Does it snow in September?
In Dieppe, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September?
In Dieppe, the average day length in September is 12h and 32min.
When are sunrise and sunset in September in Dieppe?
In September, on the first day of the month, sunrise is at 6:40 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:00 pm ADT.
How many hours of sunshine does Dieppe have in September?
In September, the average sunshine duration is 8.1h.
What is the UV index reading in September?
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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 3min

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 1min

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).

englishespañol中文
Share