Mattawa Weather in September

In Mattawa, September brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 8°C (46°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Mattawa in September

This is the wettest month of the year, so having an umbrella ready is a smart choice. Historically, September sees about 13 days of rain, with a monthly average of 98 mm (3.9 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Mattawa in September

Mattawa in September has perfect weather. Days reach 20°C (68°F) and nights cool to 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Mattawa.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Mattawa's climate page.

Mattawa Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 44%  

Precipitation 98 mm (3.9 in)  

Rainy days 13 days  

What to Wear in Mattawa in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Mattawa in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Canada, check out our Mattawa's climate page.

More climate data for Mattawa

Temperature Rainfall

See the full Mattawa climate overview or explore weather in Canada.