Swimming in Ostend in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Ostend in september 2025.
In september, according to seasonal norms, the sea temperature in Ostend is:
Minimum: 63°F
Average: 65°F
Maximum: 67°F
Other useful seasonal weather averages in september:
- Outside temperature: 58°F to 66°F
- Most common weather: "Clear/Sunny"
- The wind blows at 8.7mph
- It rains a total of 2.6in, over 4 day(s).
Should we swim in Ostend in september?
Yes... and no. The water temperature in Ostend in september is cool
Swimming in september on the beaches of Ostend is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 67°F, it can also be as low as 63°F! Note that the average is 65°F.
Note also that in september, the climate is good with an average outside temperature of 62°F, 2.6in of precipitation (over 4 days) and 84.35 % humidity.
Water and normal seasonal temperatures in Ostend in september
| September | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 63°F | ||
| Maximum outside temperature | 67°F | ||
| Minimum outside temperature | 59°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 58°F | ||
| Precipitation | 2.6in | ||
| Number of days of rain | 4 jour(s) (15%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.57km | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Ostend
Swim elsewhere in Belgium in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Brugge in september | 65°F | 68°F | cool swimming | De Panne in september | 65°F | 68°F | cool swimming | Nieuwpoort in september | 65°F | 68°F | cool swimming | Westende-Bad in september | 65°F | 68°F | cool swimming |