When to go · Saint-Louis
Saint-Louis in September
Great month. Inside Saint-Louis's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 22°C (72°F)72°F (22°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 7
- Crowds
- Medium
- France overall
- Prices
- Medium
- France overall
Verdict
Inside Saint-Louis's best window: May–Oct.
Is another month better than September?
No other month rates higher than September for Saint-Louis in this guide.
Weather in September
- Saint-LouisHighs around 22 °C (72 °F), lows around 12 °C (54 °F), rain on about 7 daysHighs around 72 °F (22 °C), lows around 54 °F (12 °C), rain on about 7 days
Crowds and prices
- Crowds · France overall
- Medium
- Prices · France overall
- Medium
France overall: Warm sea in the south, grape harvest in the vineyards, quieter roads. The best all-round month.
Compare two months
Weather, crowds and prices for any two months in Saint-Louis, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 22 °C (72 °F)72 °F (22 °C)
May: 20 °C (68 °F)68 °F (20 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 7
May: 7
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 1
September: Inside Saint-Louis's best window: May–Oct.
May: Inside Saint-Louis's best window: May–Oct.
Saint-Louis: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings