Timaru Weather in September
September in Timaru brings moderate temperatures, with highs of 14°C (57°F) and nights dropping to 5°C (41°F). Expect some rainfall, with around 58 mm (2.3 in) typical for the month.
Rainfall in Timaru in September
The climate data from previous years indicates about 9 days of rain, averaging 58 mm (2.3 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Timaru in September
Temperatures in Timaru in September top out at 14°C (57°F) and drop to 5°C (41°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 5°C (41°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Timaru in September
With about 157 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Timaru.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Timaru's climate page.
Timaru Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
14°C (57°F)
Chance of Rain
30%
Precipitation
58 mm (2.3 in)
Rainy days
9 days
Humidity
79%
Sunshine
157 hours
Percentage Sunshine
Daily Historical Temperatures
36-year average (1990-2025)
Based on our historical records, temperatures in Timaru typically stay consistent throughout September, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 3°C (37°F) to 5°C (41°F).
Average temperatures in September
Daily Historical Precipitation
36-year average (1990-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Timaru in September
Browse day-by-day weather records for Timaru spanning 49 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Timaru historical weather extremes in September
Based on 34 years of weather observations in Timaru between 1991 and 2025, these are the recorded extremes.
- On September 20, 2023, temperatures climbed to 27°C (81°F), marking the warmest September day on record.
- On September 5, 1997, Timaru saw its coldest September day with temperatures maxing out at 5°C (41°F).
- The coldest night in September in Timaru was on September 10, 2019, with a minimum of -4°C (25°F).
Best Places in New Zealand in September
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Timaru in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Timaru in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Timaru's climate page.
Temperature Rainfall Sunshine Humidity
See the full Timaru climate overview or explore weather in New Zealand.
