Sun, sea & sand

St. Peter-Ording weather in September

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

16

Holiday weather in September

Poor

Best time to visit: August

Air temperature17°CNight 13°
Sea temperature16.6°Ccold
Sunshine5hrs / dayof 12.8 h daylight
Rainy days12days / month67 mm

What is the weather like in St. Peter-Ording in September?

In September, St. Peter-Ording is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. The sea averages 16.6 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 67 mm in total. All in all, September is not an ideal month for a holiday in St. Peter-Ording.

September compared

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

AugustAugSeptemberSepOctoberOct
Score34167
Day20°17°13°
Night15°13°9°
Sea19°17°13°
Sun7 h5 h4 h
Rain days141215

More details for September

Daylight
12 h 49 min06:56 – 19:45
UV index
3 · moderateclear sky, noon (estimate)
Muggy days
0 daysdew point 18 °C or more
Wind
21 km/haverage daily peak
Cloud cover
65 %on average
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+2Europe/Berlin

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %40 %
  • Few rainy daysweight 20 %40 %

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

What to pack in September

  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella

St. Peter-Ording in September: quick answers

Is St. Peter-Ording hot in September?

No. In September, St. Peter-Ording is mild: daytime highs average 17 °C and nights drop to about 13 °C.

Can you swim in St. Peter-Ording in September?

Only if you don't mind cold water: in September the sea averages just 16.6 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in St. Peter-Ording in September?

Rain is frequent, with about 12 rainy days and 67 mm in total.

St. Peter-Ording 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, GeoNames (CC BY 4.0)