Oceanside Weather in September

September is one of the perfect 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 perfect. 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.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Oceanside's climate page.

Oceanside Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 3%  

Precipitation 4.2 mm (0.2 in)  

Rainy days a single day  

Humidity 74% *  

Sunshine 253 hours *  

Percentage Sunshine 68% *  

* Data from: San Diego, the United States of America (57 KM, 35 Miles).

What to Wear in Oceanside in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Oceanside in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Oceanside's climate page.

More climate data for Oceanside

Temperature Rainfall Sunshine Humidity

See the full Oceanside climate overview or explore weather in the United States of America.