San Francisco Počasí Předpověď
San Francisco weather: 18°C, zataženo. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
San Francisco weather in září
One of the best months do visit San Francisco.
září runs 3°C warmer than the annual average in San Francisco.
Počasí map for San Francisco
Animated model layers. Pick a layer do load it.
Animated layers by Vítry. For pin-level detail and nearby places, see the interactive map below.
Klima in San Francisco month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | 15° | 8° | 84 mm | ★★★☆☆ |
| únor | 15° | 9° | 141 mm | ★★★☆☆ |
| březen | 18° | 10° | 76 mm | ★★★★☆ |
| duben | 17° | 10° | 52 mm | ★★★★☆ |
| kvě | 19° | 11° | 15 mm | ★★★★★ |
| červen | 19° | 12° | 0 mm | ★★★★★ |
| červenec | 19° | 13° | 2 mm | ★★★★★ |
| srpen | 21° | 14° | 1 mm | ★★★★★ |
| září | 21° | 14° | 4 mm | ★★★★★ |
| říjen | 22° | 13° | 19 mm | ★★★★★ |
| listopad | 17° | 10° | 104 mm | ★★★☆☆ |
| prosinec | 14° | 9° | 148 mm | ★★★☆☆ |
Klima type: Mediterranean. Zdroj: Open-Meteo archive (ERA5).
Nejlepší doba k návštěvě San Francisco
Go in kvě, červen, červenec, srpen, září and říjen. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: leden, únor and prosinec - expect the least comfortable mix of heat, cold or rain.
What do pack, what do skip
- neglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid leden, únor and prosinec - historically the least comfortable months here.
How San Francisco compares s nearby places
Annual averages, and the difference against San Francisco.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| San Francisco County | 0 km | 14°C | about the same | 646 mm |
| Napa | 59 km | 15°C | +1°C warmer | 768 mm |
| Santa Clara County | 62 km | 16°C | +2°C warmer | 555 mm |
| Sacramento | 121 km | 17°C | +3°C warmer | 692 mm |
| Point Lobos State Natural Reserve | 146 km | 14°C | about the same | 580 mm |
Zobrazit předpověď pro San Francisco podle časového období
San Francisco weather - more answers
Explore San Francisco
Every topic we hold for this place, and the same topic for the places around it.
Počasí for related places
Frequently asked questions
Where is San Francisco?
San Francisco is a city in California. Its coordinates are 37.7749, -122.4194. It lies in Severní Amerika.
What is the weather like in San Francisco právě teď?
It is currently 18°C (64°F) s zataženo. Vlhkost is 80% and wind is 25 km/h.
When is the best time do visit San Francisco?
kvě, červen, červenec, srpen, září and říjen offer the most comfortable conditions in San Francisco, which has a Mediterranean climate. leden, únor and prosinec are usually the hardest months for outdoor plans.
What time zone is San Francisco in?
San Francisco observes America/Los_Angeles (UTC-07:00). The local time is 8:21 PM.
How many people live in San Francisco?
San Francisco has a population of approximately 810.000.
What is the nearest airport do San Francisco?
The closest airports are San Francisco International Airport (SFO), 17 km away.
What are the top things do do in San Francisco?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, čeria Pfeiffer Burns State Park and Emerald Bay State Park.
What places are in San Francisco?
San Francisco covers 8 places in this atlas, including Alcatraz Island, Golden Gate Bridge, San Francisco International Airport, Fisherman's Wharf, Mission District and ZIP Code 94102.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Počasí Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated srpen 25, 2026 at 8:21 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
