Johnstown Weather in September

Johnstown in September averages 22°C (72°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Johnstown in September

Historically, September sees about 12 days of rain, with a monthly average of 86 mm (3.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Johnstown in September

September is one of the better months to visit Johnstown. Expect 22°C (72°F) during the day and 11°C (52°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. 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.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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• January
• February
• March
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• May
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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 Johnstown's climate page.

Johnstown Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 40%  

Precipitation 86 mm (3.4 in)  

Rainy days 12 days  

What to Wear in Johnstown in September

For Johnstown in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Johnstown in September

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

Cycling

9/10

Walking

9/10

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 Johnstown's climate page.

More climate data for Johnstown

Temperature Rainfall

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