When to go · St. Marys
St. Marys in September
Great month. Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
Key facts
- Verdict
- Great
- Temperature
- 22°C (72°F)72°F (22°C) / 10°C (50°F)50°F (10°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- Canada overall
- Prices
- Medium
- Canada overall
Verdict
Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
Is another month better than September?
No other month rates higher than September for St. Marys in this guide.
Weather in September
- St. MarysHighs around 22 °C (72 °F), lows around 10 °C (50 °F), rain on about 11 daysHighs around 72 °F (22 °C), lows around 50 °F (10 °C), rain on about 11 days
Crowds and prices
- Crowds · Canada overall
- Medium
- Prices · Canada overall
- Medium
Canada overall: After Labour Day crowds drop; larches turn gold in the Rockies late in the month.
Compare two months
Weather, crowds and prices for any two months in St. Marys, side by side.
Verdict
Sep: Great
Jun: Great
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
Sep: 10 °C (50 °F)50 °F (10 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
Sep: 11
Jun: 11
Crowds
Sep: Medium
Jun: Medium
Prices
Sep: Medium
Jun: Medium
Festivals listed
Sep: 0
Jun: 1
September: Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
June: Inside St. Marys's best window: Jun–Sep for the quarry and the trail; late Sep–Oct for the stone streets without the heat.
St. Marys: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast