Wearcasting

What to Wear in San Diego in September

Warm late summer. Expect 18°–25°C with 1 rainy days on average.

☀️

High

25°C

🌙

Low

18°C

🌧️

Rain days

1

🌡️

Feel

Pleasantly Warm

Typical outfit

~22°C average

About September in San Diego

September in San Diego typically brings warm late summer. With averages of 18°–25°C, the conditions call for perfect weather for exploring! light layers will keep you comfortable all day.

The classic "three-layer" rule works perfectly here: a base, a mid-layer, and something for wind.

Other months in San Diego

September in other cities