16-day forecast — San Francisco Updated every hour
Fri · Today
Clear
+17°
+14°
17%
⌄
Wind 20 km/h W
Gusts 33 km/h
UV index 4 – Moderate
Chance of rain 17%
Sunrise 07:25
Sunset 18:21
Sat · Tomorrow
Clear
+19°
+13°
4%
⌄
Wind 15 km/h W
Gusts 30 km/h
UV index 4 – Moderate
Chance of rain 4%
Sunrise 07:26
Sunset 18:20
Sunday 25/10
Cloudy
+18°
+13°
11%
⌄
Wind 14 km/h W
Gusts 29 km/h
UV index 4 – Moderate
Chance of rain 11%
Sunrise 07:27
Sunset 18:19
Monday 26/10
Clear
+16°
+14°
12%
⌄
Wind 24 km/h W
Gusts 27 km/h
UV index 4 – Moderate
Chance of rain 12%
Sunrise 07:28
Sunset 18:18
Tuesday 27/10
Clear
+16°
+12°
0.3 mm
⌄
Wind 16 km/h W
Gusts 33 km/h
UV index 5 – Moderate
Chance of rain 24%
Sunrise 07:29
Sunset 18:17
Wednesday 28/10
Partly cloudy
+16°
+12°
13%
⌄
Wind 16 km/h W
Gusts 24 km/h
UV index 5 – Moderate
Chance of rain 13%
Sunrise 07:30
Sunset 18:15
Thursday 29/10
Partly cloudy
+15°
+13°
16%
⌄
Wind 14 km/h W
Gusts 21 km/h
UV index 5 – Moderate
Chance of rain 16%
Sunrise 07:31
Sunset 18:14
Friday 30/10
Partly cloudy
+16°
+13°
12%
⌄
Wind 13 km/h W
Gusts 21 km/h
UV index 5 – Moderate
Chance of rain 12%
Sunrise 07:32
Sunset 18:13
Saturday 31/10
Partly cloudy
+18°
+13°
13%
⌄
Wind 8 km/h NE
Gusts 21 km/h
UV index 4 – Moderate
Chance of rain 13%
Sunrise 07:33
Sunset 18:12
Sunday 1/11
Partly cloudy
+18°
+15°
13%
⌄
Wind 8 km/h NE
Gusts 20 km/h
UV index 5 – Moderate
Chance of rain 13%
Sunrise 06:34
Sunset 17:11
Monday 2/11
Cloudy
+18°
+15°
15%
⌄
Wind 9 km/h NE
Gusts 19 km/h
UV index 4 – Moderate
Chance of rain 15%
Sunrise 06:35
Sunset 17:10
Tuesday 3/11
Drizzle
+18°
+15°
12.9 mm
⌄
Wind 14 km/h S
Gusts 31 km/h
UV index 4 – Moderate
Chance of rain 86%
Sunrise 06:36
Sunset 17:09
Wednesday 4/11
Showers
+19°
+16°
6.3 mm
⌄
Wind 16 km/h SW
Gusts 32 km/h
UV index 4 – Moderate
Chance of rain 81%
Sunrise 06:38
Sunset 17:08
Thursday 5/11
Showers
+18°
+16°
2.2 mm
⌄
Wind 13 km/h SW
Gusts 26 km/h
UV index 4 – Moderate
Chance of rain 74%
Sunrise 06:39
Sunset 17:07
Friday 6/11
Showers
+18°
+12°
0.4 mm
⌄
Wind 16 km/h W
Gusts 25 km/h
UV index 3 – Moderate
Chance of rain —
Sunrise 06:40
Sunset 17:06
Saturday 7/11
Heavy rain
+18°
+11°
1.2 mm
⌄
Wind 16 km/h W
Gusts 23 km/h
UV index 3 – Moderate
Chance of rain —
Sunrise 06:41
Sunset 17:05
About San Francisco
Pazifikstadt mit mildem, oft nebligem Sommer.
Country USA
Region Kalifornien
Continent North America
Time zone America/Los_Angeles (-07:00)
Latitude 37.7749°
Longitude -122.4194°
Air quality Fair (EAQI 26)
Climate in San Francisco in September
Normals 8 years · best time to visit · Open-Meteo
Best time to visit San Francisco : April–October . With perfect weather, September is a recommended month to visit.
August
September
October
Average temperature
▲ 16°C17°C ▼ 16°C
Highest temperature
→ 20°C20°C → 20°C
Lowest temperature
→ 14°C14°C ▼ 13°C
Sea temperature
▲ 15,4°C16,5°C ▼ 16,2°C
Precipitation
▲ 1 mm5 mm ▲ 29 mm
Days with precipitation
▲ 0 d1 d ▲ 2 d
Sunshine hours per day
▼ 12,2 h11,3 h ▼ 9,7 h
Cloud cover
▼ 10%9% ▲ 13%
UV index (midday)
▼ 108 ▼ 6
Day length
13:34
12:24 11:12
Our rating
Perfect
Perfect
Good
Temperature day by day in September mean + moving average
15° 16° 17° 18° 19° 1 6 11 16 21 26
Precipitation day by day in September mm
0 1 2 1 6 11 16 21 26
UV index day by day in September midday value, clear-sky
0 5.5 11 1 6 11 16 21 26
Climate normals calculated from Open-Meteo (ERA5 archive 8 years, sea temperature Marine API). UV estimated from solar elevation.
Other destinations in North America
Weather San Francisco
Data source
Global weather models — international forecasts
Weather in San Francisco (USA): current conditions plus a 24-hour and 16-day forecast for planning your trip. Right now on the ground: +14°, cloudy, wind 8 km/h. Over the next 7 days temperatures range between 12 and 19 °C, with 6 fine days and very little rain. Climatologically, highs in October are around 20 °C, with a sea temperature of about 16 °C. Best time to visit: usually April–October. Local time (time zone America/Los_Angeles). Data from Open-Meteo and WeatherAPI.