September Weather in La Coste, United States

Last updated: June 24, 2025

In La Coste, United States, the average temperature in September reaches a warm 27°C (82°F), with daily highs soaring up to 39°C (103°F) and dipping as low as 12°C (54°F). Expect around 107 mm (4.2 in) of precipitation spread over 9 days, along with an average humidity of 65%, adding a touch of tropical comfort to your experience.

September Temperature in La Coste

In September in La Coste, the average temperature is 27°C (82°F). Maximum temperatures can reach 39°C (103°F), while the minimum can drop as low as 12°C (54°F). It's a great time to travel to La Coste for those who enjoy warm weather, but be prepared for some cooler evenings!

September Weather in La Coste: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Coste, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Coste, September typically has an average temperature of 27°C (82°F), with highs reaching up to 39°C (103°F) and lows dropping to around 12°C (54°F).

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

September Precipitation in La Coste

In La Coste in September, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

September Precipitation Trends in La Coste

The chart displays monthly precipitation patterns in La Coste, 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 La Coste, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 9 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 La Coste

In La Coste in September humidity is 65%. With an average temperature of 27°C (82°F), this humidity feels like wearing a warm, heavy blanket that clings to your skin, making outdoor activities somewhat uncomfortable but also offering a unique opportunity to experience the local culture in a slower, more leisurely pace.

September Average Humidity in La Coste

This chart illustrates the average monthly humidity levels in La Coste, 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 La Coste is approximately 65%, 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 La Coste

In La Coste in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in La Coste.

Maximum UV Index Levels in La Coste for September

The chart shows the monthly maximum UV Index (UVI) for La Coste 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 La Coste typically reaches 11, which falls under the extreme exposure category.

Data source: La Coste 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 La Coste Compares to Other Months

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

This table compares monthly weather conditions in La Coste, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	36 mm (1.4 inches)	79%	moderate
February Weather	13°C (56°F)	48 mm (1.9 inches)	79%	very high
March Weather	19°C (66°F)	55 mm (2.2 inches)	74%	very high
April Weather	22°C (71°F)	59 mm (2.3 inches)	76%	extreme
May Weather	26°C (79°F)	108 mm (4.2 inches)	81%	extreme
June Weather	29°C (84°F)	59 mm (2.3 inches)	76%	extreme
July Weather	30°C (86°F)	60 mm (2.4 inches)	66%	extreme
August Weather	30°C (87°F)	42 mm (1.7 inches)	58%	extreme
September Weather	27°C (82°F)	107 mm (4.2 inches)	65%	extreme
October Weather	23°C (73°F)	76 mm (3.0 inches)	74%	very high
November Weather	17°C (62°F)	41 mm (1.6 inches)	81%	high
December Weather	14°C (57°F)	51 mm (2.0 inches)	86%	moderate