nomadseason

September Weather in Long Beach, Australia

Last updated: August 22, 2025

In September, the average temperature in Long Beach, Australia hovers around 14°C (58°F). Expect a minimum of 7°C (45°F) and a pleasant maximum of 26°C (79°F). During this time, you can anticipate approximately 40 mm (1.6 in) of precipitation spread over 7 days, paired with an average humidity of 64%. Be prepared for a delightful mix of weather as you explore!

September Temperature in Long Beach

In September in Long Beach, the average temperature is 14°C (58°F). The maximum can reach 26°C (79°F), while the minimum can drop to as low as 7°C (45°F). Overall, this is a pleasant time to visit for those who enjoy mild weather.

September Weather in Long Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Long Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Long Beach, September typically has an average temperature of 14°C (58°F), with highs reaching up to 26°C (79°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec716968645955545558616467
Data source: Temperature data for Long Beach 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 Long Beach

In Long Beach in September, the precipitation amount is 40 mm (1.6 in) over a span of 7 days.

September Precipitation Trends in Long Beach

The chart displays monthly precipitation patterns in Long Beach, 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 Long Beach, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6312915349756075874092124120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Long Beach

In Long Beach in September, humidity is 64%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing embrace, making travel comfortable but slightly sticky, and occasionally necessitating a light jacket when the breeze picks up.

September Average Humidity in Long Beach

This chart illustrates the average monthly humidity levels in Long Beach, 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 Long Beach is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%75%73%73%72%70%69%68%64%61%64%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Long Beach

In Long Beach 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 Long Beach.

Maximum UV Index Levels in Long Beach for September

The chart shows the monthly maximum UV Index (UVI) for Long Beach 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 Long Beach typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753357101214
Data source: Long Beach 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 Long Beach Compares to Other Months

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

This table compares monthly weather conditions in Long Beach, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (71°F)63 mm (2.5 inches)70%extreme
February Weather21°C (69°F)129 mm (5.1 inches)74%extreme
March Weather20°C (68°F)153 mm (6.0 inches)73%extreme
April Weather18°C (64°F)49 mm (1.9 inches)73%high
May Weather15°C (60°F)74 mm (2.9 inches)72%moderate
June Weather13°C (55°F)60 mm (2.4 inches)70%moderate
July Weather12°C (55°F)75 mm (3.0 inches)69%moderate
August Weather13°C (55°F)86 mm (3.4 inches)68%moderate
September Weather14°C (58°F)40 mm (1.6 inches)64%high
October Weather16°C (61°F)92 mm (3.6 inches)61%very high
November Weather18°C (64°F)124 mm (4.9 inches)64%extreme
December Weather19°C (67°F)120 mm (4.7 inches)71%extreme

Compare Long Beach's Climate with Cities Worldwide