Water temperature in Anthy-sur-Leman (ARA) in September

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Is it warm enough to swim in Anthy-sur-Leman in September? Average water temperature in Anthy-sur-Leman in September is 19.9°C and therefore is not suitable for comfortable swimming. The warmest water in Anthy-sur-Leman in September is 23.6°C, and the coldest is 16.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Anthy-sur-Leman

Changes water temperature in Anthy-sur-Leman in September 2025, 2024

To get an accurate forecast for the water temperature in Anthy-sur-Leman for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Anthy-sur-Leman, 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

Sunrise and Sunset

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Day	2025	2024	Min	Max
1 September	21°C	22.9°C	19.6°C	23.6°C
2 September	20.7°C	22.4°C	19.8°C	22.9°C
3 September	21.1°C	22.4°C	19.5°C	22.7°C
4 September	21.2°C	22.4°C	19.1°C	22.6°C
5 September		22°C	19.2°C	22.8°C
6 September		21.4°C	19.1°C	22.7°C
7 September		20.8°C	19.1°C	22°C
8 September		20.7°C	19.1°C	22.8°C
9 September		21.2°C	19.4°C	22.7°C
10 September		20.6°C	19.5°C	22.8°C
11 September		20.4°C	19.4°C	22.7°C
12 September		20.1°C	19.2°C	22.4°C
13 September		19.9°C	18.6°C	22.5°C
14 September		19.8°C	18.4°C	21.9°C
15 September		19.7°C	18.4°C	21.9°C

Day	2024	Min	Max
16 September	19.6°C	18.2°C	22.2°C
17 September	19.6°C	17.9°C	21.5°C
18 September	19.5°C	17.6°C	21.3°C
19 September	19.4°C	17.6°C	21.7°C
20 September	19.3°C	17.5°C	22°C
21 September	19°C	17.3°C	21.5°C
22 September	18.8°C	17.2°C	21.1°C
23 September	18.5°C	17.1°C	21.2°C
24 September	18.3°C	17°C	20.7°C
25 September	18°C	16.8°C	20.3°C
26 September	17.8°C	16.9°C	19.9°C
27 September	17.5°C	16.8°C	19.8°C
28 September	17.5°C	17°C	19.5°C
29 September	17.4°C	16.8°C	19.3°C
30 September	17.3°C	16.8°C	19.3°C

Anthy-sur-Leman water temp chart in September

Average water temperature in Anthy-sur-Leman in September over a decade

2015	2016	2017	2018	2019
19.3°C	20.8°C	18.9°C	20.9°C	20.2°C

2020	2021	2022	2023	2024
20.7°C	19.9°C	20.5°C	21.2°C	19.8°C

Anthy-sur-Leman 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
Sciez	19.9°C	16.8°C	23.6°C
Messery	19.5°C	16.4°C	23.4°C
Chens sur Leman	19.3°C	16.2°C	23.5°C
Geneva	19.2°C	16.1°C	23.4°C
Hermance	19.2°C	16.1°C	23.4°C
Coppet	19.2°C	16.1°C	23.4°C
Radolfzell	19.8°C	16.3°C	23.9°C
Allensbach	19.8°C	16.3°C	23.9°C
Reichenau	19.8°C	16.3°C	23.9°C
Moos	19.8°C	16.3°C	23.9°C

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Our report for Anthy-sur-Leman 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