September Weather in Christchurch

Last updated: March 2, 2024

The weather in Christchurch, New Zealand, during September is characterized by an average temperature of 10°C (50°F). Highs can soar to 18°C (64°F), while lows may dip to 3°C (39°F). Typically, the humidity level in Christchurch throughout September hovers around 82%.

3°C (39°F)

Minimum temperature

10°C (50°F)

Average temperature

18°C (64°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In September, Christchurch averages 46 mm (1.8 inches) of rainfall, typically over the course of 8 rainy days. The month enjoys an average of 11 hours 47 minutes of daylight, with the sun shining for approximately 8 hours 21 minutes each day. Additionally, there is a 51% probability of sunny days during this period.

46 mm (1.8 inches)

Precipitation

8 rainy days

Rainy days

8 hours 21 minutes

Sunshine hours

51%

Chance of sun

UV Index

In September, the UV Index in Christchurch reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 30 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 4 5 5 5 5 4 3 2 1 1
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

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