Measurements:
°C
°F
CURRENT WEATHER
23:00
Oostende
66°F
E 26 mph
Feels like: 66°F
Precip: 17%
World Resorts Belgium Oostende Weather

7 Day Weather Forecast

09.08
tue
DAY
64°F
N 9 mph
precip
62%
NIGHT
66°F
E 26 mph
precip
17%
09.09
wed
DAY
62°F
SE 21 mph
precip
21%
NIGHT
62°F
NW 5 mph
precip
20%
09.10
thu
DAY
64°F
NE 11 mph
precip
16%
NIGHT
64°F
NE 16 mph
precip
17%
09.11
fri
DAY
66°F
E 13 mph
precip
68%
NIGHT
68°F
E 11 mph
precip
47%
09.12
sat
DAY
66°F
NE 9 mph
precip
21%
NIGHT
68°F
NE 21 mph
precip
14%
09.13
sun
DAY
66°F
E 22 mph
precip
23%
NIGHT
66°F
W 7 mph
precip
19%
09.14
mon
DAY
66°F
NE 7 mph
precip
9%
NIGHT
68°F
NE 12 mph
precip
21%

Oostende Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Oostende was 17.8°F. The maximum and minimum values were 15.4°F and 19.4°F respectively.

Oostende on the Weather Map

Best Time to Visit Oostende
The most sunny months:
July 13 days
June 12 days
April 12 days
The most warm months:
August 71.1 °F
July 70.0 °F
September 66.9 °F
Warmest sea temperature:
August 69.5 °F
July 68.2 °F
September 66.1 °F
The most cold months:
January 43.4 °F
February 44.4 °F
December 46.8 °F
The most rainy months:
November 5 days
August 4 days
October 4 days
The most windy months:
December 16 mph
February 16 mph
January 16 mph
more details