Last updated: June 24, 2025
In September, the average temperature in La Canada Flintridge, United States is a warm 23°C (74°F). Expect temperatures to vary, with minimums dipping to 10°C (51°F) and maximums soaring to 44°C (112°F). With only 4 mm (0.1 in) of precipitation over 0 days, the region enjoys a relatively dry atmosphere, complemented by an average humidity of 48%.
In September in La Canada Flintridge, the average temperature is 23°C (74°F). Maximums can reach 44°C (112°F) and minimums can be as low as 10°C (51°F). Travelers should be prepared for a wide range of temperatures during this time, ensuring they pack accordingly for both warm daytime and cooler evening conditions.
In La Canada Flintridge in September, the precipitation amount is 4 mm (0.1 in) recorded over a span of 0 days.
In La Canada Flintridge in September humidity is 48%. With an average temperature of 23°C (74°F), this humidity feels like a refreshing but slightly muggy embrace, making traveling enjoyable with a light breeze, yet prompting travelers to stay hydrated and take occasional breaks from the sun.
In La Canada Flintridge 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 La Canada Flintridge.
UV Risk Categories
Weather in La Canada Flintridge varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in La Canada Flintridge, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (53°F) | 75 mm (3.0 inches) | 78% | moderate |
| February Weather | 12°C (54°F) | 65 mm (2.6 inches) | 82% | high |
| March Weather | 13°C (56°F) | 85 mm (3.4 inches) | 75% | very high |
| April Weather | 17°C (62°F) | 22 mm (0.9 inches) | 68% | very high |
| May Weather | 18°C (64°F) | 16 mm (0.6 inches) | 57% | extreme |
| June Weather | 22°C (71°F) | 1 mm (0.1 inches) | 52% | extreme |
| July Weather | 25°C (77°F) | 2 mm (0.1 inches) | 46% | extreme |
| August Weather | 25°C (78°F) | 2 mm (0.1 inches) | 39% | extreme |
| September Weather | 23°C (74°F) | 4 mm (0.1 inches) | 48% | very high |
| October Weather | 20°C (68°F) | 9 mm (0.4 inches) | 59% | high |
| November Weather | 16°C (61°F) | 24 mm (0.9 inches) | 72% | moderate |
| December Weather | 12°C (53°F) | 77 mm (3.1 inches) | 76% | moderate |