September Weather in Tehachapi, United States

Last updated: June 24, 2025

In Tehachapi, United States, the average temperature in September hovers around 21°C (70°F). During this time, temperatures can dip as low as 4°C (40°F) and soar up to 36°C (98°F). Rainfall is minimal, with only 2 mm (0.1 in) of precipitation recorded over 0 days. The air is comfortably dry, boasting an average humidity of 48%.

September Temperature in Tehachapi

In September in Tehachapi, the average temperature is 21°C (70°F). Maximums can reach up to 36°C (98°F), while minimums can drop as low as 4°C (40°F). This varying climate makes Tehachapi an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Tehachapi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tehachapi, September typically has an average temperature of 21°C (70°F), with highs reaching up to 36°C (98°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Tehachapi

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

September Precipitation Trends in Tehachapi

The chart displays monthly precipitation patterns in Tehachapi, 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 Tehachapi, 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 Tehachapi

In Tehachapi in September humidity is 48%. With an average temperature of 21°C (70°F), this humidity feels like a pleasant and mild embrace, making it comfortable for traveling and exploring the area.

September Average Humidity in Tehachapi

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

In Tehachapi 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 Tehachapi.

Maximum UV Index Levels in Tehachapi for September

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

Data source: Tehachapi 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 Tehachapi Compares to Other Months

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

This table compares monthly weather conditions in Tehachapi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	55 mm (2.2 inches)	78%	moderate
February Weather	8°C (46°F)	49 mm (1.9 inches)	82%	high
March Weather	10°C (49°F)	50 mm (2.0 inches)	75%	very high
April Weather	13°C (56°F)	28 mm (1.1 inches)	68%	very high
May Weather	17°C (62°F)	17 mm (0.7 inches)	57%	extreme
June Weather	22°C (72°F)	2 mm (0.1 inches)	52%	extreme
July Weather	26°C (79°F)	2 mm (0.1 inches)	46%	extreme
August Weather	25°C (77°F)	2 mm (0.1 inches)	39%	extreme
September Weather	21°C (70°F)	2 mm (0.1 inches)	48%	very high
October Weather	15°C (60°F)	7 mm (0.3 inches)	59%	very high
November Weather	11°C (52°F)	18 mm (0.7 inches)	72%	moderate
December Weather	7°C (45°F)	52 mm (2.0 inches)	76%	moderate