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Timaru weather in September

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

September at a glance

In September, Timaru averages 14°C by day and 4°C at night. The wettest month is usually December.

September in Timaru averages a daytime high of 14°C and an overnight low of 4°C, which reads as cool for this part of the world. Across the whole year Timaru sees roughly 666 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 Timaru forecast with every model compared and how much they currently agree.

Timaru weather by month

what to expect in Timaru through the year, 1991-2020 averages

Here is Timaru'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 Timaru by season.

Jan
20°
12°
Mild
Feb
20°
11°
Mild
Mar
19°
9°
Mild
Apr
16°
7°
Mild
May
14°
5°
Cool
Jun
10°
2°
Cool
Jul
10°
0°
Cool
Aug
12°
1°
Cool
Sep
14°
4°
Cool
Oct
15°
5°
Mild
Nov
17°
8°
Mild
Dec
19°
10°
Mild
Wettest

Bottom line: over the last 30 days the American model has been the most accurate forecast for Timaru, scoring 85/100 on our CheckWeather Score, ahead of the European at 80. See the full NZ accuracy scoreboard for exactly how every model is tested.

Common questions

How warm is Timaru in September?
Timaru averages a daytime high of 14°C in September, with overnight lows around 4°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 Timaru?
The most comfortable time to visit Timaru is usually January, February, March and April, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Does it rain a lot in Timaru in September?
The wettest month in Timaru is usually December. Across the year the city sees roughly 666 mm of precipitation.

Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .

Timaru in other months

More about Timaru