14-day forecast — San Francisco
Updated every hour
Fri · Today · 12 Jun
Clear
+22°
+13°
13%
Sat · Tomorrow · 13 Jun
Clear
+21°
+14°
8%
Sunday · 14 Jun
Clear
+21°
+14°
8%
Monday · 15 Jun
Clear
+20°
+14°
7%
Tuesday · 16 Jun
Clear
+21°
+15°
6%
Wednesday · 17 Jun
Clear
+20°
+14°
8%
Thursday · 18 Jun
Partly cloudy
+17°
+12°
17%
Friday · 19 Jun
Partly cloudy
+17°
+12°
14%
Saturday · 20 Jun
Partly cloudy
+16°
+11°
14%
Sunday · 21 Jun
Partly cloudy
+17°
+12°
17%
Monday · 22 Jun
Cloudy
+17°
+12°
19%
Tuesday · 23 Jun
Partly cloudy
+18°
+12°
16%
Wednesday · 24 Jun
Clear
+19°
+12°
11%
Thursday · 25 Jun
Clear
+22°
+13°
6%
About San Francisco
Baie californienne, climat doux, brouillards d’été caractéristiques.
CountryUnited States
RegionCalifornie
ContinentNorth America
Time zoneAmerica/Los_Angeles (-07:00)
Latitude37.7749°
Longitude-122.4194°
Air qualityFair (EAQI 25)
Climate in San Francisco in September
Normals 8 years · best time to visit · Open-MeteoBest time to visit San Francisco: April–October. With perfect weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▲ 16°C | 17°C | ▼ 16°C |
| Highest temperature | → 20°C | 20°C | → 20°C |
| Lowest temperature | → 14°C | 14°C | ▼ 13°C |
| Sea temperature | ▲ 15,4°C | 16,5°C | ▼ 16,2°C |
| Precipitation | ▲ 1 mm | 5 mm | ▲ 29 mm |
| Days with precipitation | ▲ 0 d | 1 d | ▲ 2 d |
| Humidity | ▲ 80% | 81% | ▼ 73% |
| Sunshine hours per day | ▼ 12,2 h | 11,3 h | ▼ 9,7 h |
| Cloud cover | ▼ 10% | 9% | ▲ 13% |
| UV index (midday) | ▼ 10 | 8 | ▼ 6 |
| Day length | 13:34 | 12:24 | 11:12 |
| Our rating | Perfect | Perfect | Good |
Temperature day by day in September mean + moving average
Precipitation day by day in September mm
UV index day by day in September midday value, clear-sky
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in North America
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Data source
Global weather models — international forecasts
Météo de San Francisco (United States) : conditions actuelles et prévisions à 24 h et 14 jours pour préparer votre voyage. Sur place actuellement, il fait +23°, clear, vent 14 km/h. Sur les 7 prochains jours, les températures varient de 12 à 22 °C avec 7 belles journées et très peu de pluie. Heure locale (fuseau America/Los_Angeles). Données Open-Meteo et WeatherAPI.