September Weather in Seddon, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Seddon, New Zealand hovers around 9°C (49°F), with a minimum dipping to 0°C (33°F) and reaching a pleasant maximum of 18°C (65°F). Expect approximately 78 mm (3.1 in) of precipitation spread over 9 days, contributing to an average humidity level of 83%. Perfect for cozy days indoors or light outdoor adventures!

September Temperature in Seddon

In September in Seddon, the average temperature is 9°C (49°F). The maximum can reach 18°C (65°F) and the minimum can be as low as 0°C (33°F). This makes it a great time for travelers to enjoy the crisp air and explore the sights while dressing in layers for comfort.

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

The chart illustrates September temperature patterns in Seddon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seddon, September typically has an average temperature of 9°C (49°F), with highs reaching up to 18°C (65°F) and lows dropping to around 0°C (33°F).

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

September Precipitation in Seddon

In Seddon in September, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

September Precipitation Trends in Seddon

The chart displays monthly precipitation patterns in Seddon, 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 Seddon, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 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 Seddon

In Seddon in September, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

September Average Humidity in Seddon

This chart illustrates the average monthly humidity levels in Seddon, 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 Seddon is approximately 83%, 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 Seddon

In Seddon in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Seddon, you can refer to this Hourly UV Index in Seddon.

Maximum UV Index Levels in Seddon for September

The chart shows the monthly maximum UV Index (UVI) for Seddon 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 Seddon typically reaches 6, which falls under the high exposure category.

Data source: Seddon 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 Seddon Compares to Other Months

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

This table compares monthly weather conditions in Seddon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (62°F)	47 mm (1.9 inches)	79%	extreme
February Weather	16°C (62°F)	61 mm (2.4 inches)	79%	extreme
March Weather	15°C (59°F)	67 mm (2.6 inches)	79%	very high
April Weather	13°C (55°F)	97 mm (3.8 inches)	80%	high
May Weather	10°C (51°F)	67 mm (2.7 inches)	84%	moderate
June Weather	8°C (47°F)	81 mm (3.2 inches)	86%	low
July Weather	7°C (46°F)	92 mm (3.6 inches)	86%	low
August Weather	8°C (47°F)	66 mm (2.6 inches)	83%	moderate
September Weather	9°C (49°F)	78 mm (3.1 inches)	83%	high
October Weather	11°C (52°F)	73 mm (2.9 inches)	82%	very high
November Weather	13°C (56°F)	76 mm (3.0 inches)	82%	extreme
December Weather	15°C (60°F)	102 mm (4.0 inches)	81%	extreme