When to go · Rotterdam
Rotterdam in September
Great month. Inside Rotterdam's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 19°C (66°F)66°F (19°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 12
- Crowds
- Medium
- Netherlands overall
- Prices
- Medium
- Netherlands overall
Verdict
Inside Rotterdam's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Rotterdam in this guide.
Weather in September
- RotterdamHighs around 19 °C (66 °F), lows around 11 °C (52 °F), rain on about 12 daysHighs around 66 °F (19 °C), lows around 52 °F (11 °C), rain on about 12 days
- Coast and Randstad, Netherlands · Amsterdam, Haarlem, Leiden, The Hague, Rotterdamfine
Windy and changeable; showers rather than all-day rain. Summers 20–25 °C (68–77 °F), occasional heatwaves; tulips late March – mid May.Windy and changeable; showers rather than all-day rain. Summers 68–77 °F (20–25 °C), occasional heatwaves; tulips late March – mid May.
Crowds and prices
- Crowds · Netherlands overall
- Medium
- Prices · Netherlands overall
- Medium
Netherlands overall: Mild, calmer, good light; Heritage Days open private buildings on the second weekend.
Compare two months
Weather, crowds and prices for any two months in Rotterdam, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 19 °C (66 °F)66 °F (19 °C)
May: 18 °C (64 °F)64 °F (18 °C)
Night low
Sep: 11 °C (52 °F)52 °F (11 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Sep: 12
May: 9 (better)
Crowds
Sep: Medium
May: High
Prices
Sep: Medium
May: High
Festivals listed
Sep: 0
May: 0
September: Inside Rotterdam's best window: May–Sep.
May: Inside Rotterdam's best window: May–Sep.
Rotterdam: 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