Hermosa Beach Weather in September

September is one of the excellent months to visit Hermosa Beach, with daytime temperatures of 24°C (75°F) and lows of 18°C (64°F) at night. Rainfall is minimal, averaging just 3.2 mm (0.1 in) for the month.

Rainfall in Hermosa Beach in September

Expect around 0 days of rain based on historical data, with 3.2 mm (0.1 in) average.

Temperature in Hermosa Beach in September

If you're visiting Hermosa Beach in September, expect excellent temperatures with highs of 24°C (75°F) and overnight lows of 18°C (64°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Hermosa Beach in September

The month enjoys around 278 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in Hermosa Beach in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

With water at 18°C (64°F), swimming is comfortable for most people. It feels refreshing rather than cold, though it depends a bit on personal preference.

If your ideal day consists of dry skies and pleasant temperatures, January, March, April, May, June, July, August, September, October and November typically offer the best circumstances for Hermosa Beach.