Weather
Fall in San Francisco is truly the best time of year for weather. Days are warm and sunny, sometimes blisteringly so, and nights are mild and clear. Rainfall is rare, the fog has cleared and the long warming process has reached its magnificent zenith, making September, October and early November the three best months to visit San Francisco.
With an annual "Indian Summer," September to November is the best time to visit San Francisco. Daily temperatures are at their highest across the peninsula, usually in the mid to high 60s, but often reaching into the 80s and 90s, and make for a sweltering downtown and a jam-packed Golden Gate Park. A smooth, glassy bay and hot blasts from the Central Valley combine to make fall temperatures in San Francisco the best. During these months, Ocean Beach and Baker Beach are dotted with bikini-clad San Franciscans slathered in oil and soaking the sun like Los Angelians. Nights are warm and lend to summer dresses and short-sleeved shirts, while the sky is clear and stars are bright.
What to Pack
Layers, layers, layers. Even in the warmest months, San Francisco visitors should always bring a light jacket. Unexpected upswells from the deep and frosty Pacific Ocean and chilling blasts sweep over San Francisco without notice and can change San Francisco's weather in an instant. Overall, jeans, light sweaters, long sleeve shirts and close-toed shoes make up the typical San Franciscan's wardrobe, with the occasional voyeur daring a short skirt (pared with a heavy jacket) and sandals in the "summer" months.
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