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:
2026
2025
2024

The average sea water temperature in September of 2026 was 67.2°F. The highest and lowest sea temperatures during the month were 68.2°F and 66.2°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 67.5°F 65.4°F
Hague 67.2°F 64.5°F
Rotterdam 67.2°F 64.5°F
Utrecht 65.4°F 63.2°F
Amsterdam 65.3°F 62.9°F
Groningen 64.2°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 64.8 °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
13:38
Rotterdam
+73°F
NE 13 mph
Feels like: +77°F
Precip.: 14%
Places in Netherlands:
Name
°F
Amsterdam
+75°F
Aruba
+82°F
Breda
+79°F
Hague
+70°F
Groningen
+75°F
Maastricht
+81°F
Rotterdam
+73°F
Utrecht
+75°F
Eindhoven
+79°F
24 Hours Forecast
Rotterdam
Local time: 13:38
September 15, tuesday
1500
73°F
NE
13 mph
1800
72°F
E
11 mph
2100
63°F
E
8 mph
September 16, wednesday
0000
61°F
SE
7 mph
0300
59°F
SE
5 mph
0600
57°F
E
6 mph
0900
61°F
E
7 mph
1200
64°F
E
12 mph
Units of measurement: °C / °F