September Weather in Ruawai, New Zealand

Last updated: August 31, 2025

In Ruawai, New Zealand, the average temperature in September is a mild 14°C (57°F), with minimums dipping to 8°C (47°F) and maximums reaching 20°C (68°F). Expect 106 mm (4.2 in) of precipitation spread over approximately 15 days, while the air carries an average humidity of 80%.

September Temperature in Ruawai

In September in Ruawai, the average temperature is 14°C (57°F), with maximums reaching 20°C (68°F) and minimums dropping to as low as 8°C (47°F). It's an ideal time for travelers seeking mild weather and comfortable conditions for outdoor activities.

September Weather in Ruawai: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Ruawai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ruawai, September typically has an average temperature of 14°C (57°F), with highs reaching up to 20°C (68°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Ruawai generated using information from the Copernicus Climate Change Service.

September Precipitation in Ruawai

In Ruawai in September, the total precipitation amount is 106 mm (4.2 in) over the course of 15 days.

September Precipitation Trends in Ruawai

The chart displays monthly precipitation patterns in Ruawai, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Ruawai, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Ruawai

In Ruawai in September, humidity is 80%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making travel uncomfortable and sticky, as sweat clings to your skin and the air feels heavy with moisture.

September Average Humidity in Ruawai

This chart illustrates the average monthly humidity levels in Ruawai, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Ruawai is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ruawai

In Ruawai in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ruawai.

Maximum UV Index Levels in Ruawai for September

The chart shows the monthly maximum UV Index (UVI) for Ruawai in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Ruawai typically reaches 7, which falls under the high exposure category.

Data source: Ruawai September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Ruawai Compares to Other Months

Weather in Ruawai varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ruawai, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ruawai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	46 mm (1.8 inches)	79%	extreme
February Weather	21°C (69°F)	69 mm (2.7 inches)	76%	extreme
March Weather	20°C (68°F)	76 mm (3.0 inches)	74%	very high
April Weather	18°C (64°F)	95 mm (3.7 inches)	74%	high
May Weather	16°C (61°F)	89 mm (3.5 inches)	80%	moderate
June Weather	14°C (58°F)	116 mm (4.6 inches)	82%	moderate
July Weather	13°C (56°F)	125 mm (4.9 inches)	83%	moderate
August Weather	13°C (56°F)	120 mm (4.7 inches)	80%	moderate
September Weather	14°C (57°F)	106 mm (4.2 inches)	80%	high
October Weather	15°C (59°F)	84 mm (3.3 inches)	80%	very high
November Weather	17°C (62°F)	64 mm (2.5 inches)	80%	extreme
December Weather	19°C (66°F)	55 mm (2.2 inches)	78%	extreme