When to go · Waterloo
Waterloo in September
Great month. Inside Waterloo's best window: May–September.
Key facts
- Verdict
- Great
- Temperature
- 20°C (68°F)68°F (20°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Belgium overall
- Prices
- Medium
- Belgium overall
Verdict
Inside Waterloo's best window: May–September.
Is another month better than September?
No other month rates higher than September for Waterloo in this guide.
Weather in September
- WaterlooHighs around 20 °C (68 °F), lows around 12 °C (54 °F), rain on about 9 daysHighs around 68 °F (20 °C), lows around 54 °F (12 °C), rain on about 9 days
Crowds and prices
- Crowds · Belgium overall
- Medium
- Prices · Belgium overall
- Medium
Belgium overall: Mild, calmer; Heritage Days open private buildings in Brussels and Flanders.
Compare two months
Weather, crowds and prices for any two months in Waterloo, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 20 °C (68 °F)68 °F (20 °C)
May: 18 °C (64 °F)64 °F (18 °C)
Night low
Sep: 12 °C (54 °F)54 °F (12 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Sep: 9
May: 9
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Waterloo's best window: May–September.
May: Inside Waterloo's best window: May–September.
Waterloo: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings