Sun, sea & sand

Étretat weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

22

Holiday weather in September

Poor

Best time to visit: July – August

What is the weather like in Étretat in September?

In September, Étretat is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 18.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 74 mm in total. All in all, September is not an ideal month for a holiday in Étretat.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score36226
Day20°19°16°
Night16°14°12°
Sea19°18°16°
Sun7 h6 h4 h
Rain days121216

More details for September

Daylight
12 h 42 min07:34 – 20:16
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
23 km/haverage daily peakAll months
Cloud cover
61 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %16 %
  • Sunshineweight 20 %47 %
  • Few rainy daysweight 20 %45 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in September

  • Wetsuit for longer swims
  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

Étretat in September: quick answers

Is Étretat hot in September?

No. In September, Étretat is mild: daytime highs average 19 °C and nights drop to about 14 °C.

Can you swim in Étretat in September?

Only if you don't mind cold water: in September the sea averages just 18.1 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Étretat in September?

Rain is frequent, with about 12 rainy days and 74 mm in total.

Étretat month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences