Conditions at St. Peter-Ording in September
September: Autumn's First Breath
September is the light at the end of the summer tunnel. Average swell height climbs back to 0.9m (3ft), average wave period lengthens to 5.3s, and the wind statistics turn just enough to make surfers pay attention. The swell direction is solidly westerly: W at 16.0%, NW at 15.3%, WNW at 15.1% and WSW at 13.0%, with a growing southwesterly component as Atlantic lows begin to aim at the North Sea again. The frequency of 1.5m+ (5ft+) waves jumps to around 13%, giving the first legitimate hope of real waves since spring.
Crucially, the wind profile becomes less lopsided. Though onshore directions still dominate, the offshore ENE-E-ESE-SE quadrant reaches about 23% of the time, the best offshore share since April. The ideal surf-wind statistic also nudges up to 4%, tied for the highest of the year. With water temperatures still pleasant at 17.0°C and air averaging 14.8°C, those clean early-autumn days offer some of the best wave-to-comfort ratios of the year at St. Peter-Ording.
Precipitation stays high at 2.91mm/day, but that rain is often the signature of passing lows-and those lows bring the swell. If you get a September day with a fresh W/WNW swell and an easterly offshore wind, drop everything and go.
Average Spot conditions at St. Peter-Ording in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at St. Peter-Ording during September. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at St. Peter-Ording for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at St. Peter-Ording for September. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at St. Peter-Ording.