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Sea Temperature in Oceanside in September

Complete information on the sea temperature range in the Pacific Ocean in Oceanside in September. Historical daily data. Climate details for September. Tips on swimming conditions and beach relaxation in Oceanside. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Oceanside in September

17°C

MINIMUN

20.5°C

AVERAGE

24°C

MAXIMUM

Historical Data of Water Temperature in September in Oceanside

Water Temperature Chart for Pacific Ocean in Oceanside in September

Sea Temperature Table in Oceanside in September Over the Past Years

Day202420232022Average
Sep 122°C20°C20°C21.0°C
Sep 221°C21°C19°C20.8°C
Sep 320°C20°C20°C20.5°C
Sep 420°C20°C20°C20.5°C
Sep 520°C21°C17°C20.3°C
Sep 620°C20°C21°C21.0°C
Sep 721°C21°C18°C20.5°C
Sep 821°C21°C17°C20.5°C
Sep 921°C21°C18°C20.5°C
Sep 1021°C21°C21°C21.5°C
Sep 1121°C21°C21°C21.5°C
Sep 1219°C21°C17°C19.8°C
Sep 1320°C21°C18°C20.3°C
Sep 1420°C21°C21°C21.0°C
Sep 1520°C21°C21°C21.3°C
Sep 1621°C21°C19°C20.8°C
Sep 1720°C20°C17°C19.8°C
Sep 1820°C21°C19°C20.5°C
Sep 1919°C21°C18°C20.0°C
Sep 2020°C21°C17°C19.8°C
Sep 2119°C21°C17°C19.5°C
Sep 2220°C21°C18°C19.8°C
Sep 2319°C21°C20°C20.0°C
Sep 2420°C21°C21°C20.5°C
Sep 2520°C21°C21°C20.3°C
Sep 2620°C21°C20°C20.0°C
Sep 2719°C21°C17°C18.8°C
Sep 2819°C21°C19°C19.3°C
Sep 2920°C21°C19°C19.5°C
California, United StatesCalifornia, United StatesCalifornia, United States

Oceanside Climate and Swimming Opportunities in September

26°C

Average Day Air Temperature

16°C

Average Night Air Temperature

5 mm

Precipitation Amount per Month

2 days

Number of Rainy Days

12 hrs

Daylight
per Day

9 hrs

Sunshine
per Day

11 km/h

Average Wind Speed

70%

Average
humidity

Oceanside lies within the California in United States. The average daytime temperature in Oceanside in September is 79°F (26°C), while the nighttime average is 61°F (16°C). There are typically two rainy days during the month, with a total precipitation of 0.2 inches (5 mm). The daylight duration in September in Oceanside is 12 hours, with an average of 9 hours of sunshine per day. The average wind speed in September is 7 mph (11 km/h), and the humidity level is around 70%.

The water temperature in Oceanside in September ranges from 64°F to 70°F (18°C to 21°C). At the beginning of the month, the average temperature is around 70°F (21°C), shifting to 70°F (21°C) by mid-September and reaching 68°F (20°C) in the last ten days. Overall, the average sea temperature in Oceanside for September is 68°F (20°C). Perfect balance of refreshing water and warm air. One of the best conditions for swimming.

Frequently Asked Questions About Water Temperatures in September in Oceanside

What is the sea temperature in Oceanside in September?

The water temperature in the Pacific Ocean in Oceanside in September ranges from 64°F to 70°F (18°C to 21°C).

Is it possible to swim in the Pacific Ocean in Oceanside in September?

The average sea temperature in Oceanside in September is 68°F (20°C), and the air temperature is 79°F (26°C), so perfect balance of refreshing water and warm air. One of the best conditions for swimming.