Weather in Oceanside in September
Oceanside, United States averages a high of 24.8°C (76.6°F) and low of 18.4°C (65.1°F) in September, with 1 rain days and 11.5 hours of daily sunshine. Travel score: 93.2/100 (Excellent). The best time to visit Oceanside is August.
High
25°C77°F
Low
18°C65°F
🌧️
1
rain days
☀️
11.5
hrs/day sunshine
💧
78%
humidity
93— Excellent
September in Oceanside is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Oceanside?
How much does it rain in Oceanside in September?
Oceanside receives an average of 5.9mm of rainfall across 1 rainy days in September. The annual total is 347.7mm.
What should I pack for Oceanside in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to United States in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31