Chilliwack
Canada
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Chilliwack, Canada

The first month of the autumn, September, is still a pleasant month in Chilliwack, Canada, with average temperature varying between 9.1°C (48.4°F) and 22.3°C (72.1°F).

Temperature

In Chilliwack, Canada, the average high-temperature marginally drops, from a moderately hot 25.3°C (77.5°F) in August, to a pleasant 22.3°C (72.1°F). In Chilliwack, in September, the average low-temperature is 9.1°C (48.4°F).

Rainfall

In Chilliwack, during September, the rain falls for 9.9 days and regularly aggregates up to 75.2mm (3") of precipitation. In Chilliwack, during the entire year, the rain falls for 183.8 days and collects up to 1582.2mm (62.3") of precipitation.

Snowfall

In Chilliwack snow does not fall in May through September.

Daylight

In Chilliwack, Canada, the average length of the day in September is 12.6h.

What is the temperature in September in Chilliwack?

The average high-temperature, in September, in Chilliwack, Canada, is 22.3°C (72.1°F), while the average low-temperature is 9.1°C (48.4°F).

How much does it rain in Chilliwack in September?

In Chilliwack, Canada, in September, during 9.9 rainfall days, 75.2mm (3") of precipitation is typically accumulated.

Does it snow in Chilliwack in September?

In Chilliwack, Canada, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Chilliwack?

In Chilliwack snow does not fall in May through September.

What is the average length of the day in September in Chilliwack?

In Chilliwack, the average length of the day in September is 12.6h.
Average temperature in September - Chilliwack, Canada
  • Average high temperature in September: 22.3°C

The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is December (6°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).

Average rainfall in September - Chilliwack, Canada
  • Average rainfall in September: 75.2mm

The wettest month (with the highest rainfall) is November (272.7mm).
The driest month (with the lowest rainfall) is July (48.1mm).

Average rainfall days in September - Chilliwack, Canada
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is November (20.9 days).
The month with the lowest number of rainy days is August (8.5 days).

Average snowfall in September - Chilliwack, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (266mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Chilliwack, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September - Chilliwack, Canada
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.2h).
The month with shortest days is December (Average daylight: 8.3h).