Last updated: August 31, 2025
In September, the average temperature in West Melton, New Zealand hovers around 9°C (49°F). You can expect a minimum chill of -3°C (27°F), while the mercury may rise to a comfortable 22°C (72°F). Be prepared for 71 mm (2.8 in) of precipitation spread over 11 days, and keep a light jacket handy as the average humidity stands at a high 85%.
In September in West Melton, the average temperature is 9°C (49°F), with maximums reaching 22°C (72°F) and minimums dropping as low as -3°C (27°F). This variation makes it essential to pack accordingly for your travels.
In West Melton in September, the precipitation amount is 71 mm (2.8 in) distributed over 11 days.
In West Melton in September humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.
In West Melton in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in West Melton.
UV Risk Categories
Weather in West Melton varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in West Melton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (63°F) | 65 mm (2.5 inches) | 81% | extreme |
| February Weather | 17°C (63°F) | 61 mm (2.4 inches) | 79% | extreme |
| March Weather | 15°C (59°F) | 73 mm (2.9 inches) | 81% | very high |
| April Weather | 12°C (54°F) | 83 mm (3.3 inches) | 84% | high |
| May Weather | 10°C (49°F) | 79 mm (3.1 inches) | 87% | moderate |
| June Weather | 7°C (45°F) | 78 mm (3.1 inches) | 87% | low |
| July Weather | 6°C (44°F) | 96 mm (3.8 inches) | 87% | low |
| August Weather | 8°C (46°F) | 66 mm (2.6 inches) | 85% | moderate |
| September Weather | 9°C (49°F) | 71 mm (2.8 inches) | 85% | moderate |
| October Weather | 12°C (53°F) | 89 mm (3.5 inches) | 84% | very high |
| November Weather | 14°C (57°F) | 91 mm (3.6 inches) | 82% | very high |
| December Weather | 16°C (61°F) | 101 mm (4.0 inches) | 84% | extreme |