September Weather in Salton City, United States

Last updated: June 24, 2025

In September, the average temperature in Salton City, United States reaches a warm 31°C (89°F). However, temperatures can range from a cool 16°C (61°F) to a blazing 46°C (115°F). Expect minimal precipitation, averaging just 4 mm (0.2 in) over 1 day, while the average humidity hovers around a comfortable 52%.

September Temperature in Salton City

In September in Salton City, the average temperature is 31°C (89°F), with maximums reaching up to 46°C (115°F) and minimums dipping as low as 16°C (61°F). Prepare for hot days and cool evenings, making it essential to pack accordingly for your travels.

September Weather in Salton City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Salton City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salton City, September typically has an average temperature of 31°C (89°F), with highs reaching up to 46°C (115°F) and lows dropping to around 16°C (61°F).

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

September Precipitation in Salton City

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

September Precipitation Trends in Salton City

The chart displays monthly precipitation patterns in Salton City, 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 Salton City, 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 Salton City

In Salton City in September humidity is 52%. With an average temperature of 31°C (89°F), this humidity feels like a warm embrace—comfortable enough for outdoor exploration, yet soothingly balmy, making it ideal for leisurely strolls and relaxed sightseeing.

September Average Humidity in Salton City

This chart illustrates the average monthly humidity levels in Salton City, 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 Salton City is approximately 52%, 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 Salton City

In Salton City 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 Salton City.

Maximum UV Index Levels in Salton City for September

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

Data source: Salton City 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 Salton City Compares to Other Months

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

This table compares monthly weather conditions in Salton City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	15°C (59°F)	13 mm (0.5 inches)	72%	moderate
February Weather	16°C (61°F)	15 mm (0.6 inches)	77%	high
March Weather	19°C (67°F)	13 mm (0.5 inches)	67%	very high
April Weather	24°C (75°F)	5 mm (0.2 inches)	56%	very high
May Weather	27°C (80°F)	1 mm (0.0 inches)	46%	extreme
June Weather	32°C (90°F)	0 mm (0.0 inches)	48%	extreme
July Weather	35°C (96°F)	4 mm (0.2 inches)	46%	extreme
August Weather	35°C (96°F)	2 mm (0.1 inches)	42%	extreme
September Weather	31°C (89°F)	4 mm (0.2 inches)	52%	very high
October Weather	25°C (77°F)	4 mm (0.1 inches)	58%	very high
November Weather	20°C (68°F)	4 mm (0.2 inches)	66%	moderate
December Weather	15°C (59°F)	16 mm (0.6 inches)	74%	moderate