Oceanside Weather in September

September is one of the excellent months to visit Oceanside, with daytime temperatures of 24°C (75°F) and lows of 16°C (61°F) at night. Rainfall is minimal, averaging just 4.2 mm (0.2 in) for the month.

Rainfall in Oceanside in September

Typically, you can expect about a single day of rain this month, with 4.2 mm (0.2 in) on average. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.

Temperature in Oceanside in September

The temperature in Oceanside in September is excellent. Daytime highs reach 24°C (75°F), with nights dropping to 16°C (61°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable. On average, it sees the highest temps of the year.

Sunshine in Oceanside in September

Enjoy a sunny month with about 253 hours of sunshine, the clear skies make Oceanside even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, July, August, September, October and November typically offer the best weather for Oceanside.