Average temperatures, rainfall and packing tips for Wellington, New Zealand in September
September in Wellington is typically mild, with average daytime highs around 14°C and nights near 10°C. Temperature-wise it sits mid-range for Wellington (the 8th warmest month).
September is one of the wetter months in Wellington, with around 93 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Wellington are usually January, February and December.
← Wellington weather tomorrow (live)
In September, Wellington averages a daytime high of about 14°C and a night-time low of around 10°C, based on recent historical data.
September is one of the wetter months in Wellington, with around 93 mm of rain - plan around showers.
September is a workable time to visit Wellington, with mild days - just pack accordingly. If your dates are flexible, the most comfortable months in Wellington are usually January, February and December.