Last updated: March 2, 2024
The weather in Arthur's Pass, New Zealand, during September is characterized by an average temperature of 4°C (40°F). Highs can soar to 12°C (54°F), while lows may dip to -6°C (22°F). Typically, the humidity level in Arthur's Pass throughout September hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Arthur's Pass averages 270 mm (10.6 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 11 hours 47 minutes of daylight, with the sun shining for approximately 6 hours 59 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In September, the UV Index in Arthur's Pass reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 25 minutes.
| 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 | 6 | 6 | 6 | 5 | 4 | 2 | 1 | 1 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||