September Weather in Port Hueneme, United States

Last updated: June 24, 2025

In September, the average temperature in Port Hueneme, United States hovers around 20°C (69°F), offering a pleasant climate. Expect a minimum of 13°C (55°F) and a maximum of 34°C (93°F), making it ideal for various outdoor activities. Precipitation is minimal, with just 2 mm (0.1 in) over 0 days, while the average humidity rests comfortably at 48%. Enjoy the perfect weather!

September Temperature in Port Hueneme

In September in Port Hueneme, the average temperature is 20°C (69°F). Maximums can reach 34°C (93°F), and minimums can be as low as 13°C (55°F). This climate makes Port Hueneme an ideal destination for travelers who enjoy mild to warm weather.

September Weather in Port Hueneme: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Hueneme, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Hueneme, September typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (55°F).

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

September Precipitation in Port Hueneme

In Port Hueneme in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Port Hueneme

The chart displays monthly precipitation patterns in Port Hueneme, 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 Port Hueneme, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Port Hueneme

In Port Hueneme in September humidity is 48%. With an average temperature of 20°C (69°F), this humidity feels like a pleasant embrace, making it comfortable for exploring the outdoors and enjoying scenic attractions without feeling overly sticky or uncomfortable.

September Average Humidity in Port Hueneme

This chart illustrates the average monthly humidity levels in Port Hueneme, 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 Port Hueneme is approximately 48%, 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 Port Hueneme

In Port Hueneme in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Port Hueneme.

Maximum UV Index Levels in Port Hueneme for September

The chart shows the monthly maximum UV Index (UVI) for Port Hueneme 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 Port Hueneme typically reaches 10, which falls under the very high exposure category.

Data source: Port Hueneme 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 Port Hueneme Compares to Other Months

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

This table compares monthly weather conditions in Port Hueneme, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	84 mm (3.3 inches)	78%	moderate
February Weather	13°C (56°F)	69 mm (2.7 inches)	82%	high
March Weather	14°C (57°F)	78 mm (3.1 inches)	75%	very high
April Weather	16°C (60°F)	20 mm (0.8 inches)	68%	very high
May Weather	16°C (61°F)	14 mm (0.5 inches)	57%	extreme
June Weather	18°C (65°F)	4 mm (0.1 inches)	52%	extreme
July Weather	21°C (69°F)	1 mm (0.1 inches)	46%	extreme
August Weather	21°C (70°F)	2 mm (0.1 inches)	39%	extreme
September Weather	20°C (69°F)	2 mm (0.1 inches)	48%	very high
October Weather	19°C (66°F)	9 mm (0.4 inches)	59%	high
November Weather	16°C (61°F)	20 mm (0.8 inches)	72%	moderate
December Weather	13°C (57°F)	70 mm (2.8 inches)	76%	moderate