16-day forecast — San Francisco
Updated every hour
Sat · Today · 20 Jun
Cloudy
+19°
+13°
15%
Sun · Tomorrow · 21 Jun
Clear
+18°
+13°
12%
Monday · 22 Jun
Clear
+18°
+13°
14%
Tuesday · 23 Jun
Clear
+18°
+13°
9%
Wednesday · 24 Jun
Clear
+18°
+13°
12%
Thursday · 25 Jun
Clear
+17°
+13°
9%
Friday · 26 Jun
Partly cloudy
+16°
+13°
13%
Saturday · 27 Jun
Clear
+18°
+13°
7%
Sunday · 28 Jun
Clear
+19°
+14°
9%
Monday · 29 Jun
Clear
+20°
+13°
8%
Tuesday · 30 Jun
Clear
+19°
+13°
12%
Wednesday · 1 Jul
Clear
+19°
+13°
8%
Thursday · 2 Jul
Clear
+19°
+13°
9%
Friday · 3 Jul
Clear
+21°
+14°
7%
Saturday · 4 Jul
Clear
+21°
+13°
0 mm
Sunday · 5 Jul
Clear
+20°
+13°
0 mm
About San Francisco
Pazifikstadt mit mildem, oft nebligem Sommer.
CountryUSA
RegionKalifornien
ContinentNorth America
Time zoneAmerica/Los_Angeles (-07:00)
Latitude37.7749°
Longitude-122.4194°
Air qualityFair (EAQI 30)
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 |
| 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
Data source
Global weather models — international forecasts
Wetter in San Francisco (USA): aktuelle Bedingungen und Vorhersage auf 24 Stunden und 16 Tage für die Reiseplanung. Aktuell vor Ort: es sind +17°, cloudy, Wind 8 km/h. In den nächsten 7 Tagen schwanken die Temperaturen zwischen 13 und 19 °C, mit 6 schönen Tagen und sehr wenig Regen. Ortszeit (Zeitzone America/Los_Angeles). Daten von Open-Meteo und WeatherAPI.