World Resorts Netherlands Rotterdam Weather

Rotterdam Sea Temperature in September

Average sea water temperature in September:
+64.9°F
Minimum sea water temperature in September: 71.6°F
Maximum sea water temperature in September: 59.9°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 66.3°F. The highest and lowest sea temperatures during the month were 68.2°F and 64.4°F.

Monthly sea water temperature in Rotterdam, °F

Which Netherlands resorts have warmest sea in September?

Place name September 2026 September 2025
Aruba 82.7°F 84.2°F
Breda 66.5°F 65.4°F
Hague 66.3°F 64.5°F
Rotterdam 66.3°F 64.5°F
Utrecht 64.5°F 63.2°F
Amsterdam 64.5°F 62.9°F
Groningen 62.7°F 61.3°F

Best time for vacation in Rotterdam

Sunniest months:
August 12 days
June 11 days
April 11 days
Warmest months:
August 71.7 °F
July 71.2 °F
June 68.6 °F
Warmest sea temp:
August 67.2 °F
July 65.5 °F
September 64.9 °F
Coldest months:
January 42.8 °F
February 44.5 °F
December 45.8 °F
Rainiest months:
August 4 days
December 4 days
October 4 days
Windiest months:
December 12.8 mph
February 12.4 mph
January 12.1 mph

Rotterdam on a weather map

Current weather
16:35
Rotterdam
+64°F
E 8 mph
Feels like: +64°F
Precip.: 7%
Places in Netherlands:
Name
°F
Amsterdam
+66°F
Aruba
+82°F
Breda
+68°F
Hague
+64°F
Groningen
+64°F
Maastricht
+66°F
Rotterdam
+64°F
Utrecht
+66°F
Eindhoven
+68°F
24 Hours Forecast
Rotterdam
Local time: 16:35
October 05, monday
1800
64°F
E
8 mph
2100
59°F
NE
5 mph
October 06, tuesday
0000
59°F
NE
5 mph
0300
63°F
N
6 mph
0600
61°F
NE
6 mph
0900
63°F
E
2 mph
1200
66°F
SE
2 mph
1500
70°F
SE
5 mph
Units of measurement: °C / °F