Weather in September
Temperature
Shifting into September, Timaru records an average high-temperature of a mild 14.5°C (58.1°F), presenting minor fluctuations compared to the previous month. In the month of September, the average low-temperature in Timaru usually rests at a cold 2.8°C (37°F).Humidity
In Timaru, the average relative humidity in September is 78.7%.Rainfall
The month with the least rainfall is September, when the rain falls for 5.8 days and typically collects 37mm (1.46") of precipitation.Sea temperature
In September, the average sea temperature in Timaru is 10.7°C (51.3°F).Note: Diving into 10.7°C (51.3°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation.
Daylight
The average length of the day in September is 11h and 47min.On the first day of the month, sunrise is at 7:02 am and sunset at 6:07 pm NZST. On the last day of September, in Timaru, sunrise is at 7:08 am and sunset at 7:41 pm NZDT.
Note: On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. Daylight Saving Time lasts until Sunday, 06. April 2025, at 3:00 am; consequently, the time zone reverts from NZDT to NZST.
Sunshine
In Timaru, the average sunshine in September is 5.2h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Timaru?
What is the average humidity in September in Timaru?
What is the driest month in Timaru?
How many days does it rain in September in Timaru?
What is the water temperature in September in Timaru?
How many hours of daylight does Timaru have in September?
When are sunrise and sunset in September in Timaru?
When does Daylight Saving Time (DST) start in September in Timaru?
How long on average sun shines in September in Timaru?
Average temperature in September
Timaru, New Zealand
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is January (21.5°C).
The month with the lowest average high temperature is July (10.6°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is January (10.3°C).
The coldest month (with the lowest average low temperature) is July (-0.6°C).
Average humidity in September
Timaru, New Zealand
- Average humidity in September: 78.7%
The month with the highest relative humidity is May (85.6%).
The month with the lowest relative humidity is November (75.2%).
Average rainfall in September
Timaru, New Zealand
- Average rainfall in September: 36.5mm
The wettest month (with the highest rainfall) is December (52.8mm).
The driest month (with the least rainfall) is September (36.5mm).
Average rainfall days in September
Timaru, New Zealand
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is December (8 days).
The month with the least rainy days is June (5.3 days).
Average sea temperature in September
Timaru, New Zealand
- Average sea temperature in September: 10.7°C
The best month for swimming (with the highest average sea temperature) is February (16.4°C).
The coldest month (with the lowest average sea temperature) is August (9.9°C).
Average daylight in September /
Average sunshine in September
Timaru, New Zealand
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 30min).
The month with the shortest days is June (Average daylight: 8h and 54min).
- Average sunshine in September: 5h and 1min
The month with the most sunshine is November (Average sunshine: 6h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 0min).
Timaru, New Zealand
Weather forecast for your location
2. Allow the app to use your location