Water temperature in Warnemunde in September

Is it warm enough to swim in Warnemunde in September? Average water temperature in Warnemunde in September is 16.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Warnemunde in September is 20.1°C, and the coldest is 13.3°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Warnemunde

Changes water temperature in Warnemunde in September 2025, 2024

To get an accurate forecast for the water temperature in Warnemunde for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Warnemunde, 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	19.3°C	19.9°C	16.6°C	20°C
2 September	19.3°C	19.3°C	16.6°C	19.4°C
3 September	19.2°C	19.6°C	16.5°C	19.6°C
4 September	19.2°C	20.1°C	16.2°C	20.1°C
5 September	19.1°C	19.3°C	16°C	19.3°C
6 September		19°C	16°C	19°C
7 September		19.1°C	15.9°C	19.1°C
8 September		19.7°C	15.7°C	19.7°C
9 September		19.2°C	15.6°C	19.2°C
10 September		19°C	15.1°C	19.9°C
11 September		18.4°C	15°C	19.8°C
12 September		18°C	15.1°C	20°C
13 September		17.1°C	15.1°C	19.1°C
14 September		16.8°C	15.1°C	18.7°C
15 September		16.5°C	14.7°C	18.5°C

Day	2024	Min	Max
16 September	16.5°C	14.6°C	18.2°C
17 September	16.9°C	14.7°C	18.4°C
18 September	16.8°C	14.8°C	18°C
19 September	17°C	14.8°C	18.1°C
20 September	17°C	14.8°C	17.6°C
21 September	16.9°C	14.5°C	17.8°C
22 September	16.9°C	14.3°C	17.8°C
23 September	17.2°C	14.5°C	17.2°C
24 September	17.1°C	14.5°C	17.1°C
25 September	16.7°C	14.4°C	16.7°C
26 September	16.3°C	14.2°C	16.4°C
27 September	16.1°C	14.3°C	16.4°C
28 September	15.6°C	13.9°C	17.2°C
29 September	15.4°C	13.6°C	17°C
30 September	15°C	13.3°C	17.1°C

Warnemunde water temp chart in September

Average water temperature in Warnemunde in September over a decade

2015	2016	2017	2018	2019
16.3°C	17.8°C	16.7°C	16.7°C	16.6°C

2020	2021	2022	2023	2024
16.8°C	16.6°C	16.3°C	18.1°C	17.6°C

Warnemunde sea state in September

Chart comparing the height of waves in Warnemunde 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.

Warnemunde 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
Markgrafenheide	16.5°C	13.4°C	19.9°C
Nienhagen	16.5°C	13.3°C	20.1°C
Borgerende Rethwisch	16.5°C	13.2°C	20.2°C
Graal-Muritz	16.2°C	13.1°C	20.2°C
Heiligendamm	16.4°C	13.2°C	20.3°C
Bad Doberan	16.4°C	13.2°C	20.3°C
Kuhlungsborn	16.4°C	13.2°C	20.5°C
Wustrow	16.1°C	13°C	20.8°C
Ahrenshoop	16.1°C	13°C	20.8°C
Rerik	16.5°C	13.4°C	21°C

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Our report for Warnemunde 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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature