When to go · Heiloo
Heiloo in September
Great month. Inside Heiloo'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
- 10
- Crowds
- Medium
- Netherlands overall
- Prices
- Medium
- Netherlands overall
Verdict
Inside Heiloo's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Heiloo in this guide.
Weather in September
- HeilooHighs around 19 °C (66 °F), lows around 11 °C (52 °F), rain on about 10 daysHighs around 66 °F (19 °C), lows around 52 °F (11 °C), rain on about 10 days
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 Heiloo, 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: 9 °C (48 °F)48 °F (9 °C)
Rain days
Sep: 10
May: 10
Crowds
Sep: Medium
May: High
Prices
Sep: Medium
May: High
Festivals listed
Sep: 0
May: 0
September: Inside Heiloo's best window: May–Sep.
May: Inside Heiloo's best window: May–Sep.
Heiloo: 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