Acton Weather in September

During September, Acton experiences high daytime temperatures of 22°C (72°F) and cooler nights around 11°C (52°F). Expect quite a bit of rainfall. Around 80 mm (3.1 in) is typical.

Rainfall in Acton in September

The climate data from previous years indicates about 10 days of rain, averaging 80 mm (3.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Acton in September

Acton in September has perfect weather. Days reach 22°C (72°F) and nights cool to 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Acton in September

Expect a lot of sunshine this month, with about 216 hours of sun. These sunny conditions add to the overall experience.

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

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• January
• February
• March
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• May
• June
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• August

• September
• October
• November
• December

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

Acton Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 34%  

Precipitation 80 mm (3.1 in)  

Rainy days 10 days  

Humidity 59% *  

Sunshine 216 hours *  

Percentage Sunshine 58% *  

* Data from: Mississauga, Canada (32 KM, 20 Miles).

What to Wear in Acton 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Acton in September

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

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 Acton's climate page.

More climate data for Acton

Temperature Rainfall Sunshine Humidity

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