When to go · St. Thomas
St. Thomas in September
Great month. Inside St. Thomas's best window: Jun–Sep, Sep–Oct for fall colour.
Key facts
- Verdict
- Great
- Temperature
- 22°C (71°F)71°F (22°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 11
- Crowds
- Medium
- Canada overall
- Prices
- Medium
- Canada overall
Verdict
Inside St. Thomas's best window: Jun–Sep, Sep–Oct for fall colour.
Is another month better than September?
No other month rates higher than September for St. Thomas in this guide.
Weather in September
- St. ThomasHighs around 21.8 °C (71 °F), lows around 10.9 °C (52 °F), rain on about 11 daysHighs around 71 °F (21.8 °C), lows around 52 °F (10.9 °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. Thomas, side by side.
Verdict
Sep: Great
Jun: Great
Daytime high
Sep: 21.8 °C (71 °F)71 °F (21.8 °C)
Jun: 24.7 °C (76 °F)76 °F (24.7 °C)
Night low
Sep: 10.9 °C (52 °F)52 °F (10.9 °C)
Jun: 12.9 °C (55 °F)55 °F (12.9 °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. Thomas's best window: Jun–Sep, Sep–Oct for fall colour.
June: Inside St. Thomas's best window: Jun–Sep, Sep–Oct for fall colour.
St. Thomas: 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