September Weather in Piru, United States

Last updated: June 24, 2025

In September, the average temperature in Piru, United States hovers around 23°C (73°F), offering a pleasant climate for outdoor activities. However, temperatures can vary significantly, with a minimum of 7°C (45°F) and soaring to a maximum of 42°C (108°F). Expect light precipitation, averaging just 4 mm (0.2 in) over about 1 day, and enjoy the moderate 48% humidity that adds to the overall comfort of the season.

September Temperature in Piru

In September in Piru, the average temperature is 23°C (73°F). Maximum temperatures can reach up to 42°C (108°F), while minimum temperatures can dip as low as 7°C (45°F). This variation in temperatures suggests that travelers should be prepared for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Piru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piru, September typically has an average temperature of 23°C (73°F), with highs reaching up to 42°C (108°F) and lows dropping to around 7°C (45°F).

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

September Precipitation in Piru

In Piru in September, the precipitation amount is 4 mm (0.2 in) during 1 day.

September Precipitation Trends in Piru

The chart displays monthly precipitation patterns in Piru, 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 Piru, September typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 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 Piru

In Piru in September humidity is 48%. With an average temperature of 23°C (73°F), this humidity feels like a pleasant embrace, making it comfortable for traveling while allowing you to enjoy outdoor activities without feeling overly sticky or weighed down.

September Average Humidity in Piru

This chart illustrates the average monthly humidity levels in Piru, 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 Piru 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 Piru

In Piru 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 Piru.

Maximum UV Index Levels in Piru for September

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

Data source: Piru 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 Piru Compares to Other Months

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

This table compares monthly weather conditions in Piru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	73 mm (2.9 inches)	78%	moderate
February Weather	10°C (51°F)	65 mm (2.6 inches)	82%	high
March Weather	12°C (53°F)	80 mm (3.1 inches)	75%	very high
April Weather	15°C (60°F)	26 mm (1.0 inches)	68%	very high
May Weather	17°C (63°F)	21 mm (0.8 inches)	57%	extreme
June Weather	22°C (71°F)	4 mm (0.2 inches)	52%	extreme
July Weather	25°C (77°F)	2 mm (0.1 inches)	46%	extreme
August Weather	25°C (77°F)	2 mm (0.1 inches)	39%	extreme
September Weather	23°C (73°F)	4 mm (0.2 inches)	48%	very high
October Weather	18°C (65°F)	11 mm (0.4 inches)	59%	high
November Weather	14°C (58°F)	21 mm (0.8 inches)	72%	moderate
December Weather	10°C (50°F)	74 mm (2.9 inches)	76%	moderate