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San Diego Weather in September

Averages By Month

Rush to San Diego in September if you would still like to get some of the last summer sun and beach vacation feel. Temperature highs still reach 77°F (25°C), the Pacific Ocean water temperature measures 68°F (20°C) and the sun shines for 8 hours each day. There aren’t any rainy days to be expected and temperature lows hover at 63°F (17°C).

From Coronado Beach to La Jolla Cove, the San Diego area has some great beaches to offer. And if you are after some exploring too, Balboa Park is beautiful and the Gaslamp Quarter in the Old Town is also worth a visit. There is much more to see in San Diego. A big spectacle in San Diego in September is the Miramar Air Show.

High and Low Temperature in September °F

Precipitation days in September °F

Current Weather San Diego

62°F overcast clouds
Local Time

Hourly 10 Days

Averages San Diego

  J F M A M J J A S O N D

High °F

64° 66° 68° 68° 70° 72° 75° 79° 77° 75° 70° 66°

Low °F

46° 48° 50° 54° 57° 61° 64° 66° 63° 59° 54° 48°

Sun

7h 8h 9h 9h 8h 8h 10h 9h 8h 8h 8h 7h

Rain days

5 6 6 2 2 0 0 0 0 2 3 4

Water °F

59 59 61 63 63 66 70 72 68 66 64 61

San Diego Weather by Month

Best Time to Visit San Diego

San Diego is a fantastic place to visit any time of the year. The temperature chart is well balanced all year round.

During summer, average daytime temperatures hover in the low 70s F (low 20s C) and winters also remain pleasantly warm with temperatures in the low 60s F (high 10s C). Temperatures never drop below the freezing point. May and June tend to be a little more overcast and less sunny.

The Pacific Ocean, however, remains relatively cool all year round and also in summer its water temperature rarely gets warmer than 72°F (22°C). If you are looking to swim, you should try to visit San Diego either in July or August.

San Diego sun pacific ocean surfer water waves beach
San Diego coast pacific ocean houses palm trees

Things to know about San Diego

San Diego is probably one of the least typical US cities one would imagine. Even though there is a downtown with skyscrapers and everything else any larger US city has to offer, the city is mostly characterized by its Hispanic influence. Even though only a 2 hour drive from Los Angeles, the city directly borders Mexico and that’s what gives San Diego this unique feel and a lot of history and sights. Below you can find a summary of the best attractions and everything you should know before travelling to San Diego.
San Diego Balboa park squirrel
San Diego balboa park fountain courtyard
San Diego old town souvenirs skulls mexican
San Diego USS Midway ship
San Diego beach waves pacific ocean people
San Diego beach palm trees water surfers buildings coast

San Diego Location

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