Water temperature in Barfleur in September

Is it warm enough to swim in Barfleur in September? Average water temperature in Barfleur in September is 18°C and therefore is not suitable for comfortable swimming. The warmest sea in Barfleur in September is 20.3°C, and the coldest is 16.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Barfleur

Changes water temperature in Barfleur in September 2025, 2024

To get an accurate forecast for the water temperature in Barfleur for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Barfleur, 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	19.6°C	18.9°C	17.4°C	20.1°C
2 September	19.3°C	18.8°C	17.4°C	20°C
3 September	19.3°C	19°C	17.4°C	19.9°C
4 September	19.1°C	19°C	17.4°C	20.3°C
5 September	19.3°C	19°C	17.5°C	20.3°C
6 September	19.1°C	18.9°C	17.4°C	20.3°C
7 September	19.1°C	18.8°C	17.4°C	20.2°C
8 September	19.3°C	18.7°C	17.5°C	20.1°C
9 September	19.1°C	18.6°C	17.5°C	19.8°C
10 September	19°C	18.6°C	17.5°C	19.8°C
11 September	18.9°C	18.1°C	17.1°C	20.1°C
12 September	18.8°C	18°C	16.9°C	19.7°C
13 September	18.7°C	18°C	16.8°C	19.6°C
14 September	18.5°C	17.7°C	16.8°C	19.8°C
15 September	18.3°C	17.7°C	17.1°C	19.9°C

Day	2025	2024	Min	Max
16 September	18.2°C	17.8°C	17.1°C	19.6°C
17 September	18.1°C	17.5°C	16.9°C	19.5°C
18 September	18.3°C	17.6°C	16.9°C	19.4°C
19 September	18.1°C	17.9°C	16.9°C	19.2°C
20 September	18.3°C	18°C	16.8°C	19°C
21 September	18.4°C	18.1°C	16.5°C	19.1°C
22 September	17.9°C	18.1°C	16.8°C	18.8°C
23 September	17.7°C	18.1°C	16.7°C	18.7°C
24 September	17.7°C	18°C	16.9°C	18.8°C
25 September	17.4°C	17.8°C	16.8°C	18.8°C
26 September		17.7°C	16.7°C	18.7°C
27 September		17.6°C	16.7°C	18.8°C
28 September		17.5°C	16.5°C	18.6°C
29 September		17.1°C	16.5°C	18.5°C
30 September		17.3°C	16.5°C	18.8°C

Average water temperature in Barfleur in September over a decade

2015	2016	2017	2018	2019
17.2°C	18.4°C	17.8°C	18.4°C	18.2°C

2020	2021	2022	2023	2024
18.5°C	18.4°C	19.4°C	19°C	18.1°C

Barfleur sea state in September

Chart comparing the height of waves in Barfleur 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.

Barfleur 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
Fermanville	17.6°C	14.6°C	19.8°C
Cherbourg-Octeville	17.4°C	13.9°C	19.3°C
Equeurdreville Hainneville	17.4°C	13.8°C	19.2°C
Querqueville	17.4°C	13.9°C	19.1°C
Vierville-sur-Mer	18.1°C	16.5°C	20.8°C
Omaha Beach	18.1°C	16.5°C	20.8°C
Colleville-sur-Mer	18.1°C	16.5°C	20.8°C
Port en Bessin	18.2°C	16.4°C	20.8°C
La Hague	17.4°C	15.8°C	19.1°C
Vauville	17.4°C	15.8°C	19.1°C

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Our report for Barfleur 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