Your holiday weather, at a glance

Netherlands in September: where is it warmest?

In September, Roermond is the warmest place with 20 °C by day, Harlingen the coolest with 17 °C. 27 of 41 destinations have good holiday weather.

All destinations in September, warmest first

Long-term averages for the month: daytime high, sea, sunshine and rainy days.

Place	Score	Air	Sea	Sun	Rain days
Roermond	74	20°	–	5 h	10
Eindhoven	73	20°	–	5 h	11
Venlo	73	20°	–	5 h	11
Maastricht	74	19°	–	5 h	10
Enschede	73	19°	–	5 h	10
Tilburg	73	19°	–	5 h	11
Nijmegen	72	19°	–	5 h	11
's-Hertogenbosch	72	19°	–	5 h	11
Breda	72	19°	–	5 h	11
Zwolle	72	19°	–	5 h	11
Dordrecht	72	19°	–	5 h	11
Deventer	72	19°	–	5 h	11
The Hague	71	19°	18°	5 h	12
Rotterdam	71	19°	–	5 h	12
Arnhem	71	19°	–	5 h	11
Delft	71	19°	–	5 h	12
Amersfoort	71	19°	–	5 h	12
Apeldoorn	71	19°	–	5 h	11
Almere	71	19°	–	5 h	12
Amstelveen	69	19°	–	5 h	12
Breskens	24	19°	18°	5 h	10
Bergen op Zoom	22	19°	18°	5 h	11
Middelburg	21	19°	18°	5 h	11
Vlissingen	21	19°	18°	5 h	11
Domburg	21	19°	18°	5 h	11
Renesse	20	19°	18°	5 h	12
Zierikzee	20	19°	18°	5 h	12
Amsterdam	71	18°	–	5 h	12
Groningen	71	18°	–	5 h	12
Leiden	70	18°	–	5 h	12
Haarlem	70	18°	–	5 h	12
Urk	70	18°	–	5 h	12
Leeuwarden	69	18°	–	5 h	12
Alkmaar	69	18°	–	5 h	12
Noordwijk	19	18°	18°	5 h	12
Hook of Holland	19	18°	18°	5 h	12
Zandvoort	18	18°	18°	5 h	12
Schiermonnikoog	18	18°	17°	5 h	11
Bergen, Netherlands	18	18°	18°	5 h	12
Den Helder	18	17°	18°	5 h	12
Harlingen	15	17°	17°	5 h	13

Netherlands in September: where is it warmest?

The warmest places in September are Roermond (20 °C), Eindhoven (20 °C) and Venlo (20 °C).

Netherlands in September: where is the sea warmest?

The sea is warmest at The Hague (18 °C), Breskens (18 °C) and Bergen op Zoom (18 °C).

Netherlands in September: where is the weather best?

The best holiday weather in September – warm, sunny and dry – is in Roermond, Maastricht and Eindhoven.

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences