nomadseason

September Weather in North Dandalup, Australia

Last updated: August 22, 2025

In North Dandalup, Australia, the average temperature in September hovers around 14°C (57°F). During this month, temperatures can range from a chilly 3°C (38°F) to a warm 30°C (85°F). Expect 54 mm (2.1 in) of precipitation over approximately 9 days, and experience a moderate average humidity of 71%.

September Temperature in North Dandalup

In September in North Dandalup, the average temperature is 14°C (57°F). Maximums can reach 30°C (85°F), while minimums can dip as low as 3°C (38°F). This makes North Dandalup a great destination for travelers seeking milder weather with the possibility of warmer days.

September Weather in North Dandalup: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in North Dandalup, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In North Dandalup, September typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (85°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec747371655855545456606572
Data source: Temperature data for North Dandalup generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in North Dandalup

In North Dandalup in September, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

September Precipitation Trends in North Dandalup

The chart displays monthly precipitation patterns in North Dandalup, 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 North Dandalup, September typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec235627246210513310854442911
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in North Dandalup

In North Dandalup in September, humidity is 71%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities less enjoyable and encouraging visitors to seek refuge in shaded spots or air-conditioned spaces.

September Average Humidity in North Dandalup

This chart illustrates the average monthly humidity levels in North Dandalup, 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 North Dandalup is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec53%55%59%70%72%77%77%75%71%63%56%53%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in North Dandalup

In North Dandalup in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in North Dandalup.

Maximum UV Index Levels in North Dandalup for September

The chart shows the monthly maximum UV Index (UVI) for North Dandalup 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 North Dandalup typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141412864468111314
Data source: North Dandalup 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 North Dandalup Compares to Other Months

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

This table compares monthly weather conditions in North Dandalup, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)23 mm (0.9 inches)52%extreme
February Weather23°C (74°F)56 mm (2.2 inches)55%extreme
March Weather22°C (71°F)27 mm (1.1 inches)59%extreme
April Weather18°C (65°F)24 mm (1.0 inches)70%very high
May Weather15°C (59°F)62 mm (2.4 inches)72%high
June Weather13°C (56°F)105 mm (4.1 inches)77%moderate
July Weather12°C (55°F)133 mm (5.2 inches)77%moderate
August Weather12°C (54°F)108 mm (4.2 inches)75%high
September Weather14°C (57°F)54 mm (2.1 inches)71%very high
October Weather16°C (60°F)44 mm (1.7 inches)63%extreme
November Weather18°C (66°F)29 mm (1.1 inches)56%extreme
December Weather22°C (72°F)11 mm (0.4 inches)53%extreme

Compare North Dandalup's Climate with Cities Worldwide