September Weather in Los Angeles, Panama

Last updated: August 27, 2025

In September, the average temperature in Los Angeles, Panama hovers around 24°C (75°F), with a minimum of 19°C (67°F) and a maximum reaching up to 31°C (87°F). During this month, expect significant precipitation, totaling 353 mm (13.9 in) over 29 days, alongside a high average humidity of 87%. Make sure to prepare for a damp and warm atmosphere!

September Temperature in Los Angeles

In September in Los Angeles, the average temperature is 24°C (75°F). Maximums can reach 31°C (87°F) and minimums can be as low as 19°C (67°F). This pleasant climate makes Los Angeles an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

September Weather in Los Angeles: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Los Angeles, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Los Angeles, September typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (87°F) and lows dropping to around 19°C (67°F).

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

September Precipitation in Los Angeles

In Los Angeles in September, the total precipitation amount is 353 mm (13.9 in) spread over 29 days.

September Precipitation Trends in Los Angeles

The chart displays monthly precipitation patterns in Los Angeles, 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 Los Angeles, September typically receives around 353 mm (13.9 inches) of precipitation spread over approximately 29 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Los Angeles

In Los Angeles in September, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.

September Average Humidity in Los Angeles

This chart illustrates the average monthly humidity levels in Los Angeles, 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 Los Angeles is approximately 87%, 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 Los Angeles

In Los Angeles in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Los Angeles, you can check here.

Maximum UV Index Levels in Los Angeles for September

The chart shows the monthly maximum UV Index (UVI) for Los Angeles 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 Los Angeles typically reaches 14, which falls under the extreme exposure category.

Data source: Los Angeles 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 Los Angeles Compares to Other Months

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

This table compares monthly weather conditions in Los Angeles, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	28 mm (1.1 inches)	72%	extreme
February Weather	24°C (76°F)	14 mm (0.5 inches)	71%	extreme
March Weather	25°C (77°F)	10 mm (0.4 inches)	69%	extreme
April Weather	25°C (77°F)	140 mm (5.5 inches)	70%	extreme
May Weather	24°C (76°F)	339 mm (13.3 inches)	73%	extreme
June Weather	24°C (76°F)	308 mm (12.1 inches)	90%	extreme
July Weather	24°C (76°F)	290 mm (11.4 inches)	88%	extreme
August Weather	24°C (75°F)	303 mm (11.9 inches)	87%	extreme
September Weather	24°C (75°F)	353 mm (13.9 inches)	87%	extreme
October Weather	23°C (74°F)	452 mm (17.8 inches)	86%	extreme
November Weather	23°C (74°F)	375 mm (14.8 inches)	86%	extreme
December Weather	24°C (75°F)	89 mm (3.5 inches)	79%	extreme