Daly City Weather in September

September in Daly City sees daytime temperatures around 22°C (72°F) and lows of 13°C (55°F) at night. The excellent weather makes it a good time to visit.

Rainfall in Daly City in September

Looking at the last 30 years, the data shows about a single day with rain, averaging 3.9 mm (0.2 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Daly City in September

Weather in Daly City is at its excellent in September. Highs reach 22°C (72°F), while nights settle around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Daly City in September

The city usually sees around 270 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Daly City in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

The water is 14°C (57°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Daly City.