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Coldest sea in Netherlands in September

68 coastal locations in Netherlands ranked by typical September sea temperature, coldest first. Region-wide average in September: 18.4°C.

Coldest in September

Groningen

17.8°C September mean in Netherlands

Regional September average

18.4°C

across all 68 coastal locations in Netherlands

Vs annual mean

+5.9°C

above the year-round regional average

What the Netherlands sea feels like in September

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Netherlands monthly average 6.1°C to 19.5°C
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  • Warmest month August 19.5°C
  • Coldest month February 6.1°C
  • Annual mean 12.4°C
  • Months above 20°C 0 of 12

Where September fits in the year

September sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Netherlands month rankings:

Netherlands sea temperature map (live)

The map shows today's latest reading at every Netherlands location. The list below is based on the typical September mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest Netherlands locations in September

Sorted by typical September mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location September mean
1 Groningen 17.8°C
2 K13 Alpha North Holland 17.8°C
3 Almere Stad 17.8°C
4 Enkhuizen 17.8°C
5 Lemmer 17.8°C
6 Urk 17.8°C
7 Den Oever 17.9°C
8 Hoorn 17.9°C
9 Medemblik 17.9°C
10 Harlingen 17.9°C
11 Makkum 17.9°C
12 Nes 18.0°C
13 Texel 18.0°C
14 Den Helder 18.0°C
15 Terschelling Noordzee Terschelling 18.0°C
16 Huibertgat Groningen 18.1°C
17 Castricum 18.2°C
18 Egmond Aan Zee 18.2°C
19 Texel Noordzee Texel 18.2°C
20 Amsterdam 18.3°C
21 Bloemendaal aan Zee 18.3°C
22 Holland 18.3°C
23 IJmuiden 18.3°C
24 Marken 18.3°C
25 Monnickendam 18.3°C
Show 25 more ▸
26 Volendam 18.3°C
27 Wijk aan Zee 18.3°C
28 Zandvoort 18.3°C
29 Petten zuid North Holland 18.3°C
30 Kijkduin 18.4°C
31 Delft 18.4°C
32 Katwijk 18.4°C
33 Noordwijk 18.4°C
34 Scheveningen 18.4°C
35 The Hague 18.4°C
36 Wassenaar 18.4°C
37 Hoek Van Holland 18.5°C
38 Rotterdam 18.5°C
39 Willemstad 18.5°C
40 Grevelingen 18.5°C
41 Ouddorp 18.5°C
42 Meetpost Noordwijk South Holland 18.6°C
43 Domburg 18.6°C
44 Westkapelle 18.6°C
45 Bruinisse 18.6°C
46 Cadzand 18.6°C
47 Oostkapelle 18.6°C
48 Renesse 18.6°C
49 Scharendijke 18.6°C
50 Tholen 18.6°C

Warmest 10 in Netherlands in September

Same data the other way. The warmest spots for the same month.

# Location September mean
1 Lichteiland Goeree South Holland 18.8°C
2 Bath Zeeland 18.7°C
3 Bergse Diepsluis west Zeeland 18.7°C
4 Hansweert Zeeland 18.7°C
5 Haringvliet 10 South Holland 18.7°C
6 Krammersluizen west Zeeland 18.7°C
7 Roompot binnen Zeeland 18.7°C
8 Roompot buiten Zeeland 18.7°C
9 Stavenisse Zeeland 18.7°C
10 Terneuzen Zeeland 18.7°C

More on this region