September Weather in Hollywood, United States

Last updated: June 24, 2025

In September, the average temperature in Hollywood, United States is a pleasant 25°C (78°F). However, be prepared for some variability, as temperatures can dip to a minimum of 13°C (56°F) or soar up to a maximum of 36°C (96°F). Visitors can expect 156 mm (6.1 in) of precipitation spread over 14 days, with an average humidity of 83%, making it a lush and vibrant time of year.

September Temperature in Hollywood

In September in Hollywood, the average temperature is 25°C (78°F). Maximums can reach 36°C (96°F), and minimums can be as low as 13°C (56°F). It’s a great time for travelers to enjoy a mix of warm days and cooler evenings while exploring all that Hollywood has to offer.

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

The chart illustrates September temperature patterns in Hollywood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollywood, September typically has an average temperature of 25°C (78°F), with highs reaching up to 36°C (96°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Hollywood

In Hollywood in September, the precipitation amount is 156 mm (6.1 in) over the course of 14 days.

September Precipitation Trends in Hollywood

The chart displays monthly precipitation patterns in Hollywood, 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 Hollywood, September typically receives around 156 mm (6.1 inches) of precipitation spread over approximately 14 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 Hollywood

In Hollywood in September, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

September Average Humidity in Hollywood

This chart illustrates the average monthly humidity levels in Hollywood, 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 Hollywood is approximately 83%, 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 Hollywood

In Hollywood in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hollywood.

Maximum UV Index Levels in Hollywood for September

The chart shows the monthly maximum UV Index (UVI) for Hollywood 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 Hollywood typically reaches 9, which falls under the very high exposure category.

Data source: Hollywood 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 Hollywood Compares to Other Months

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

This table compares monthly weather conditions in Hollywood, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	59 mm (2.3 inches)	86%	moderate
February Weather	14°C (57°F)	79 mm (3.1 inches)	81%	high
March Weather	16°C (60°F)	67 mm (2.6 inches)	81%	very high
April Weather	19°C (66°F)	101 mm (4.0 inches)	79%	very high
May Weather	23°C (74°F)	84 mm (3.3 inches)	75%	extreme
June Weather	26°C (79°F)	159 mm (6.2 inches)	75%	extreme
July Weather	27°C (82°F)	196 mm (7.7 inches)	80%	extreme
August Weather	27°C (81°F)	178 mm (7.0 inches)	81%	extreme
September Weather	25°C (78°F)	156 mm (6.1 inches)	83%	very high
October Weather	22°C (71°F)	81 mm (3.2 inches)	78%	very high
November Weather	14°C (58°F)	82 mm (3.2 inches)	85%	high
December Weather	12°C (54°F)	123 mm (4.8 inches)	87%	moderate