San Francisco weather in September (Spain)
Can you expect sunny skies in San Francisco in September? Here’s a detailed forecast of the month’s weather patterns.
Temperatures
The weather in San Francisco during September is usually perfect, offering high temperatures and low rainfall. Summer occurs in September. Anticipate daytime temperatures around 26°C, while night temperatures can drop to 19°C.
Precipitation
San Francisco in September usually receives low rainfall, averaging around 28 mm for the month. This month experiences about 4 days of rain according to historical data.Average sunshine
Expect a lot of sunshine this month, with about 255 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. April, May, June, July, August, September and October generally stand out with the best circumstances. While January, February and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Francisco climate page with graphs.
San Francisco, monthly averages in September
Min Temperature
19°C
Max Temperature
26°C
Water Temperature
22°C *
Chance of Rain
14%
Precipitation
28 mm
Rainy days
4 days
Humidity
65% *
Windspeed
7 km/h *
Sunshine
255 hours *
Percentage Sunshine
70% *
Where to go in Spain in September
Find out more about the weather in Spain and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. With a water temperature of around 22°C this is a great month to swim so bring your swimwear.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in San Francisco.
Our site offers climate and forecast data for every country in the world. Are you going to Spain? On this website you can find historical weather averages for many cities in Spain. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
