Nelson weather in September

Long-run climate averages for Nelson, New Zealand in September, plus what the forecast models say for the days ahead.

September at a glance

In September, Nelson averages 15°C by day and 8°C at night. The wettest month is usually October.

September in Nelson averages a daytime high of 15°C and an overnight low of 8°C, which reads as mild for this part of the world. Across the whole year Nelson sees roughly 1318 mm of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Nelson forecast with every model compared and how much they currently agree.

Nelson weather by month

what to expect in Nelson through the year

Here is Nelson's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Nelson by season.

Jan

22°

15°

Warm

Feb

22°

14°

Warm

Mar

20°

12°

Mild

Apr

18°

11°

Mild

May

15°

9°

Mild

Jun

14°

7°

Cool

Jul

13°

6°

Cool

Aug

13°

6°

Cool

Sep

15°

8°

Mild

Oct

17°

9°

Mild

Wettest

Nov

18°

11°

Mild

Dec

22°

14°

Warm

Common questions

How warm is Nelson in September?

Nelson averages a daytime high of 15°C in September, with overnight lows around 8°C. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.

Is September a good time to visit Nelson?

The most comfortable time to visit Nelson is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest October rain is behind you.

Does it rain a lot in Nelson in September?

The wettest month in Nelson is usually October. Across the year the city sees roughly 1318 mm of precipitation.

Nelson in other months

January February March April May June July August October November December

More about Nelson

Nelson live forecast Best time to visit Nelson Which forecast is most accurate in New Zealand?