September weather forecast
Cromwell, New Zealand

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Weather in September

September sees a revival of warmer weather in Cromwell as the cool days of winter relent. The weather turns more agreeable with cooler evenings as the minimum average temperature gently rises to 2.8°C (37°F). Daylight hours increase further to about 11.8 hours, offering more sunlight and warmth during the day. Persistent dry conditions from the preceding months finally begin to ebb with an increased rainfall of 28mm (1.1").

Temperature

Observing a slight rise in September, the average high-temperature in Cromwell shifts from August's cool 11.4°C (52.5°F) to a moderate 15°C (59°F). With the onset of night in September, Cromwell reveals a significant decrease in temperature, averaging at a cold 2.8°C (37°F).

Rainfall

Throughout September, 28mm (1.1") of precipitation is accumulated. During the entire year, Cromwell aggregates up to 396mm (15.59") of precipitation.

Daylight

In Cromwell, the average length of the day in September is 11h and 46min.
On the first day of September, sunrise is at 7:11 am and sunset at 6:15 pm NZST. On the last day of the month, sunrise is at 7:16 am and sunset at 7:49 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.
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Frequently asked questions

What is the average September temperature in Cromwell?

In Cromwell, in September, the average high-temperature is 15°C (59°F), and the average low-temperature is 2.8°C (37°F).

How much does it rain in Cromwell in September?

In Cromwell, in September, 28mm (1.1") of precipitation is typically accumulated.

What is the average length of the day in September in Cromwell?

The average day length in September in Cromwell, New Zealand, is 11h and 46min.

What time are sunrise and sunset in September in Cromwell?

In September, on the first day of the month, sunrise is at 7:11 am and sunset at 6:15 pm NZST. On the last day of the month, in Cromwell, sunrise is at 7:16 am and sunset at 7:49 pm NZDT.

When does Daylight Saving Time (DST) start in September in Cromwell?

On Sunday, 29. September 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NZST to NZDT. DST ends on Sunday, 06. April 2025, at 3:00 am.

Average temperature in September
Cromwell, New Zealand

Average temperature in September - Cromwell, New Zealand
  • Average high temperature in September: 15°C

The warmest month (with the highest average high temperature) is January (24.4°C).
The month with the lowest average high temperature is July (8°C).

  • Average low temperature in September: 2.8°C

The month with the highest average low temperature is January (11°C).
The coldest month (with the lowest average low temperature) is July (-1.5°C).

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Average rainfall in September
Cromwell, New Zealand

Average rainfall in September - Cromwell, New Zealand
  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is January (48mm).
The driest month (with the least rainfall) is August (20mm).

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Average daylight in September
Cromwell, New Zealand

Average daylight in September - Cromwell, 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 48min).

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Cromwell, New Zealand

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