World Resorts Netherlands Rotterdam Weather

Rotterdam Sea Temperature in September

Average sea water temperature in September:
+64.8°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:
2025
2024
2023

The average sea water temperature in September of 2025 was 64.5°F. The highest and lowest sea temperatures during the month were 67.3°F and 60.6°F.

Monthly sea water temperature in Rotterdam, °F

Which Netherlands resorts have warmest sea in September?

Place name September 2025 September 2024
Aruba 84.2°F 84.7°F
Breda 65.4°F 67.3°F
Hague 64.5°F 65.9°F
Rotterdam 64.5°F 65.9°F
Utrecht 63.2°F 64.3°F
Amsterdam 62.9°F 64.5°F
Groningen 61.3°F 63.4°F

Best time for vacation in Rotterdam

Sunniest months:
August 12 days
June 11 days
April 11 days
Warmest months:
August 71.5 °F
July 71.2 °F
June 68.6 °F
Warmest sea temp:
August 67.1 °F
July 65.5 °F
September 64.8 °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
09:59
Rotterdam
+66°F
E 11 mph
Feels like: +66°F
Precip.: 3%
Places in Netherlands:
Name
°F
Amsterdam
+66°F
Aruba
+81°F
Breda
+68°F
Hague
+64°F
Groningen
+66°F
Maastricht
+64°F
Rotterdam
+66°F
Utrecht
+66°F
Eindhoven
+66°F
24 Hours Forecast
Rotterdam
Local time: 09:59
August 06, thursday
1200
70°F
E
14 mph
1500
70°F
E
15 mph
1800
68°F
SE
11 mph
2100
63°F
E
5 mph
August 07, friday
0000
57°F
E
2 mph
0300
55°F
NE
3 mph
0600
55°F
NE
2 mph
0900
64°F
E
1 mph
Units of measurement: °C / °F