16.09
wed
wed
Day

61°F
SE 18 mph
Precip.
23%
23%
Night

63°F
E 17 mph
Precip.
15%
15%
17.09
thu
thu
Day

64°F
NE 25 mph
Precip.
26%
26%
Night

64°F
SE 24 mph
Precip.
15%
15%
18.09
fri
fri
Day

61°F
E 16 mph
Precip.
15%
15%
Night

64°F
NE 23 mph
Precip.
20%
20%
19.09
sat
sat
Day

66°F
NE 26 mph
Precip.
40%
40%
Night

66°F
E 24 mph
Precip.
30%
30%
20.09
sun
sun
Day

63°F
SE 12 mph
Precip.
17%
17%
Night

64°F
NE 8 mph
Precip.
14%
14%
21.09
mon
mon
Day

64°F
SE 11 mph
Precip.
8%
8%
Night

66°F
S 9 mph
Precip.
10%
10%
22.09
tue
tue
Day

64°F
SW 13 mph
Precip.
25%
25%
Night

64°F
W 12 mph
Precip.
22%
22%
sea water
temperature
temperature
| Oostende |
monthly
weather
weather
| Oostende |
current
weather
weather
| Oostende |
14 days
forecast
forecast
| Oostende |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 67.3°F. The highest and lowest sea temperatures during the month were 68.4°F and 65.8°F.
Air temperature in Oostende, °F
Precipitation total in Oostende, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oostende
Oostende on a weather map
Places in Belgium:
Name
°F
24 Hours Forecast
Oostende
Local time: 07:22
September 16, wednesday
0900

63°F
SE
17 mph
17 mph
1200

61°F
SE
18 mph
18 mph
1500

61°F
SE
15 mph
15 mph
1800

64°F
SE
16 mph
16 mph
2100

64°F
E
13 mph
13 mph
September 17, thursday
0000

63°F
E
17 mph
17 mph
0300

63°F
NE
14 mph
14 mph
0600

63°F
NE
21 mph
21 mph




























