September Weather in Los Angeles, Panama

Last updated: August 27, 2025

In Los Angeles, Panama, the average temperature in September is a warm 27°C (81°F). Expect a comfortable range where the minimum dips to 24°C (76°F) and the maximum can reach 31°C (88°F). However, be prepared for ample rainfall, with 271 mm (10.7 in) spread over 29 days, which contributes to an average humidity level of 78%.

September Temperature in Los Angeles

In September in Los Angeles, the average temperature is 27°C (81°F), with a maximum that can reach 31°C (88°F) and a minimum that can be as low as 24°C (76°F). This mild and pleasant climate makes Los Angeles an ideal destination for travelers seeking comfort and warmth during this time of year.

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 27°C (81°F), with highs reaching up to 31°C (88°F) and lows dropping to around 24°C (76°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 precipitation amount is 271 mm (10.7 in) over the course of 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 271 mm (10.7 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 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

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 78%, 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 reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Los Angeles.

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 13, 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	27°C (81°F)	16 mm (0.6 inches)	76%	extreme
February Weather	27°C (81°F)	2 mm (0.1 inches)	75%	extreme
March Weather	27°C (81°F)	3 mm (0.1 inches)	74%	extreme
April Weather	28°C (82°F)	49 mm (1.9 inches)	76%	extreme
May Weather	27°C (82°F)	264 mm (10.4 inches)	78%	extreme
June Weather	27°C (81°F)	246 mm (9.7 inches)	83%	extreme
July Weather	27°C (81°F)	294 mm (11.6 inches)	79%	extreme
August Weather	27°C (81°F)	244 mm (9.6 inches)	79%	extreme
September Weather	27°C (81°F)	271 mm (10.7 inches)	78%	extreme
October Weather	27°C (80°F)	306 mm (12.0 inches)	77%	extreme
November Weather	27°C (80°F)	281 mm (11.1 inches)	79%	extreme
December Weather	27°C (81°F)	75 mm (2.9 inches)	79%	very high