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:
June 12 days
August 12 days
April 11 days
Warmest months:
August 71.5 °F
July 70.9 °F
June 68.3 °F
Warmest sea temp:
August 67.1 °F
July 65.3 °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
22:20
Rotterdam
+59°F
N 11 mph
Feels like: +57°F
Precip.: 21%
Places in Netherlands:
Name
°F
Amsterdam
+57°F
Aruba
+79°F
Breda
+57°F
Hague
+59°F
Groningen
+55°F
Maastricht
+57°F
Rotterdam
+59°F
Utrecht
+57°F
Eindhoven
+59°F
24 Hours Forecast
Rotterdam
Local time: 22:20
June 07, sunday
0000
55°F
NE
17 mph
0300
55°F
NE
18 mph
0600
57°F
E
17 mph
0900
57°F
E
14 mph
1200
63°F
E
16 mph
1500
64°F
E
14 mph
1800
64°F
E
13 mph
2100
61°F
NE
7 mph
Units of measurement: °C / °F