September Weather in Palmerston, Australia

Last updated: August 22, 2025

In September, the average temperature in Palmerston, Australia reaches a warm 28°C (82°F). Expect a minimum of 13°C (55°F) and a maximum of 38°C (100°F), making it essential to stay hydrated! During this time, precipitation averages 12 mm (0.5 in) over just 2 days, while the average humidity sits at a comfortable 44%.

September Temperature in Palmerston

In September in Palmerston, the average temperature is 28°C (82°F). Maximums can reach 38°C (100°F), and minimums can be as low as 13°C (55°F). Be prepared for a warm climate with occasional cool evenings, making it ideal for exploring both during the day and night.

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

The chart illustrates September temperature patterns in Palmerston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Palmerston, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Palmerston

In Palmerston in September, the precipitation amount is 12 mm (0.5 in) over the course of 2 days.

September Precipitation Trends in Palmerston

The chart displays monthly precipitation patterns in Palmerston, 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 Palmerston, September typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 2 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 Palmerston

In Palmerston in September, humidity is 44%. With an average temperature of 28°C (82°F), this humidity feels like a warm, inviting embrace, creating a pleasant atmosphere for exploring outdoor sights and enjoying leisurely strolls.

September Average Humidity in Palmerston

This chart illustrates the average monthly humidity levels in Palmerston, 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 Palmerston is approximately 44%, 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 Palmerston

In Palmerston in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Palmerston.

Maximum UV Index Levels in Palmerston for September

The chart shows the monthly maximum UV Index (UVI) for Palmerston 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 Palmerston typically reaches 15, which falls under the extreme exposure category.

Data source: Palmerston 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 Palmerston Compares to Other Months

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

This table compares monthly weather conditions in Palmerston, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (83°F)	398 mm (15.7 inches)	86%	extreme
February Weather	28°C (83°F)	347 mm (13.6 inches)	89%	extreme
March Weather	28°C (83°F)	332 mm (13.1 inches)	87%	extreme
April Weather	28°C (82°F)	96 mm (3.8 inches)	80%	extreme
May Weather	27°C (80°F)	7 mm (0.3 inches)	68%	extreme
June Weather	25°C (77°F)	2 mm (0.1 inches)	54%	very high
July Weather	25°C (77°F)	1 mm (0.0 inches)	42%	very high
August Weather	26°C (79°F)	2 mm (0.1 inches)	44%	extreme
September Weather	28°C (82°F)	12 mm (0.5 inches)	44%	extreme
October Weather	29°C (85°F)	73 mm (2.9 inches)	42%	extreme
November Weather	29°C (85°F)	167 mm (6.6 inches)	55%	extreme
December Weather	29°C (85°F)	243 mm (9.6 inches)	73%	extreme