Water temperature in Terschelling in September

Is it warm enough to swim in Terschelling in September? Average water temperature in Terschelling in September is 17.2°C and therefore is not suitable for comfortable swimming. The warmest sea in Terschelling in September is 21.5°C, and the coldest is 14.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Terschelling

Changes water temperature in Terschelling in September 2025, 2024

To get an accurate forecast for the water temperature in Terschelling for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Terschelling, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 September	19.1°C	19.1°C	16.3°C	20.2°C
2 September	19.2°C	19.5°C	16.4°C	19.5°C
3 September	18.9°C	19.3°C	16.6°C	19.4°C
4 September	18.9°C	19.8°C	16.6°C	19.8°C
5 September	18.4°C	19.9°C	16.6°C	19.9°C
6 September	18.4°C	20°C	16.4°C	20.4°C
7 September	18.6°C	20°C	16.2°C	21°C
8 September	19.1°C	20.4°C	15.8°C	20.9°C
9 September	18.3°C	20.2°C	16°C	21.3°C
10 September	18.5°C	19.6°C	16.1°C	21.5°C
11 September	18.4°C	19°C	16.2°C	21.4°C
12 September	17.8°C	18.8°C	16.2°C	21°C
13 September	17.1°C	17.5°C	16.2°C	20.5°C
14 September	17.1°C	16.6°C	15.7°C	20.9°C
15 September	16.8°C	16.8°C	15.9°C	20.8°C

Day	2025	2024	Min	Max
16 September	16.4°C	17.2°C	15.8°C	20.3°C
17 September	16.9°C	17.4°C	15.4°C	19.6°C
18 September	16.8°C	17.2°C	15.3°C	19.6°C
19 September	16.9°C	17.4°C	15.3°C	19.4°C
20 September	16.8°C	17.7°C	15.3°C	18.8°C
21 September	16.9°C	17.6°C	15.2°C	18.7°C
22 September	16.6°C	17.5°C	14.9°C	18.9°C
23 September	16.2°C	17.9°C	15.1°C	18.2°C
24 September	16.2°C	17.7°C	15.2°C	18.1°C
25 September	15.7°C	17.2°C	15.2°C	18.8°C
26 September		17.3°C	15.1°C	18.5°C
27 September		16.7°C	14.9°C	18.2°C
28 September		15.8°C	14.9°C	17.8°C
29 September		15.5°C	14.6°C	17.5°C
30 September		15°C	14.5°C	17.3°C

Terschelling water temp chart in September

Average water temperature in Terschelling in September over a decade

2015	2016	2017	2018	2019
15.9°C	19.2°C	16.8°C	17.2°C	17.1°C

2020	2021	2022	2023	2024
17.3°C	17.8°C	17.8°C	19°C	18.1°C

Terschelling sea state in September

Chart comparing the height of waves in Terschelling in September over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Terschelling in September

Terschelling water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Vlieland	17.3°C	14.7°C	21.9°C
Den Oever	17°C	14°C	22.4°C
De Koog	17.5°C	14.9°C	21°C
Schiermonnikoog	16.9°C	14.3°C	21.6°C
Den Helder	17.3°C	14.7°C	21.4°C
Lemmer	16.9°C	13.4°C	22.5°C
Medemblik	17°C	13.9°C	22.8°C
Julianadorp	17.6°C	15°C	21°C
Enkhuizen	17°C	13.8°C	22.7°C
IJsselmeer	17°C	13.9°C	23.1°C

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Our report for Terschelling is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature