Swimming in Waiheke Island in september 2025: Average sea temperature in september and tide times in september 2025
Average sea temperature in Waiheke Island in september 2025.
In september, according to seasonal norms, the sea temperature in Waiheke Island is:
Minimum: 58°F
Average: 60°F
Maximum: 62°F
Other useful seasonal weather averages in september:
- Outside temperature: 53°F to 59°F
- Most common weather: "Moderate rain at times"
- The wind blows at 6.2mph
- It rains a total of 5.7in, over 8 day(s).
Should we swim in Waiheke Island in september?
No... The water temperature in Waiheke Island in september is cold
Swimming in Waiheke Island in september is possible... with a wetsuit! Indeed, the water is cold at this time of year with an average sea temperature of 60°F (minimum: 58°F - maximum: 62°F).
Note also that in september, the climate is tolerable with an average outside temperature of 56°F, 5.7in of precipitation (over 8 days) and 84.34 % humidity.
Water and normal seasonal temperatures in Waiheke Island in september
| September | |||
| Average sea temperature | 60°F | ||
| Minimum sea temperature | 58°F | ||
| Maximum sea temperature | 62°F | ||
| Average outside temperature | 58°F | ||
| Maximum outside temperature | 59°F | ||
| Minimum outside temperature | 54°F | ||
| Wind speed | 14.9mph | ||
| Wind temperature | 50°F | ||
| Precipitation | 5.7in | ||
| Number of days of rain | 8 jour(s) (27%) | ||
| Humidity | 85% | ||
| Visibility in kilometers | 9.36km | ||
| Cloud cover | 49% | ||
| Our opinion | cold swimming |
Chart of the tides in september 2025
Tide times in september 2025 in Waiheke Island
Swim elsewhere in New Zealand in september
| City | Average T° | Min. T° | Max. T° | Our opinion | Auckland in september | 60°F | 61°F | cold swimming | Christchurch in september | 51°F | 53°F | freezing swimming | Dunedin in september | 49°F | 51°F | freezing swimming | Wellington in september | 56°F | 58°F | freezing swimming | Tauranga in september | 60°F | 62°F | cold swimming | Akaroa in september | 51°F | 53°F | freezing swimming | Cathedral Cove in september | 60°F | 62°F | cold swimming | Invercargill in september | 52°F | 54°F | freezing swimming | Napier in september | 57°F | 60°F | freezing swimming | Nelson in september | 56°F | 58°F | freezing swimming | Stewart Island in september | 52°F | 54°F | freezing swimming | Blenheim in september | 56°F | 58°F | freezing swimming | Greymouth in september | 55°F | 57°F | freezing swimming | New Plymouth in september | 58°F | 59°F | freezing swimming | Picton in september | 56°F | 58°F | freezing swimming | Timaru in september | 51°F | 53°F | freezing swimming |