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 16 days
February 14 days
March 13 days
Warmest months:
February 67.1 °F
January 66.9 °F
March 64.7 °F
Warmest sea temp:
February 63.1 °F
January 62.3 °F
March 61.8 °F
Coldest months:
August 53.3 °F
July 53.8 °F
September 54.6 °F
Rainiest months:
August 6 days
July 6 days
June 5 days
Windiest months:
September 17.4 mph
October 17.2 mph
November 16.7 mph

Wellington on a weather map

Current weather
12:11
Wellington
+59°F
SE 23 mph
Feels like: +59°F
Precip.: 0%
Places in New Zealand:
Name
°F
Wellington
+59°F
Queenstown
+46°F
Auckland
+75°F
24 Hours Forecast
Wellington
Local time: 12:11
December 26, friday
1500
61°F
S
25 mph
1800
61°F
SE
25 mph
2100
59°F
SE
26 mph
December 27, saturday
0000
59°F
SE
25 mph
0300
57°F
SE
25 mph
0600
57°F
SE
21 mph
0900
61°F
SE
18 mph
1200
63°F
SE
16 mph
Units of measurement: °C / °F