World Resorts New Zealand Wellington Weather

Wellington Sea Temperature in September

Average sea water temperature in September:
+54.8°F
Minimum sea water temperature in September: 57.6°F
Maximum sea water temperature in September: 51.8°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 55.0°F. The highest and lowest sea temperatures during the month were 56.3°F and 53.8°F.

Monthly sea water temperature in Wellington, °F

Which New Zealand resorts have warmest sea in September?

Place name September 2025 September 2024
Auckland 57.7°F 58.8°F
Wellington 54.9°F 55.7°F

Best time for vacation in Wellington

Sunniest months:
January 15 days
February 14 days
March 13 days
Warmest months:
February 66.9 °F
January 66.7 °F
March 64.5 °F
Warmest sea temp:
February 63.0 °F
January 62.3 °F
March 61.7 °F
Coldest months:
August 53.3 °F
July 53.7 °F
September 54.6 °F
Rainiest months:
August 6 days
June 5 days
July 5 days
Windiest months:
September 17.4 mph
October 17.2 mph
November 16.7 mph

Wellington on a weather map

Current weather
10:10
Wellington
+55°F
NW 2 mph
Feels like: +55°F
Precip.: 16%
Places in New Zealand:
Name
°F
Wellington
+55°F
Queenstown
+36°F
Auckland
+55°F
24 Hours Forecast
Wellington
Local time: 10:10
August 15, saturday
1200
55°F
N
13 mph
1500
52°F
N
15 mph
1800
52°F
N
21 mph
2100
48°F
N
27 mph
August 16, sunday
0000
46°F
N
34 mph
0300
45°F
N
38 mph
0600
46°F
N
35 mph
0900
46°F
N
33 mph
Units of measurement: °C / °F