San Diego Vejr Prognose
San Diego weather: 21°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
San Diego weather in september
One of the best months og visit San Diego.
september runs 4°C warmer than the annual average in San Diego.
Compare med august.
Vejr map for San Diego
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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in San Diego month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 19° | 9° | 61 mm | ★★★★☆ |
| februar | 19° | 10° | 78 mm | ★★★★☆ |
| marts | 20° | 11° | 69 mm | ★★★★☆ |
| april | 20° | 12° | 12 mm | ★★★★★ |
| maj | 20° | 14° | 7 mm | ★★★★★ |
| juni | 22° | 16° | 3 mm | ★★★★★ |
| juli | 24° | 18° | 0 mm | ★★★★★ |
| august | 26° | 18° | 6 mm | ★★★★★ |
| september | 25° | 18° | 21 mm | ★★★★★ |
| oktober | 24° | 14° | 21 mm | ★★★★★ |
| november | 21° | 11° | 53 mm | ★★★★☆ |
| december | 19° | 10° | 32 mm | ★★★★☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid San Diego
Go in april, maj, juni, juli, august, september and oktober. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and marts - expect the least comfortable mix of heat, cold or rain.
What og pack, what og skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid januar, februar and marts - historically the least comfortable months here.
How San Diego compares med nearby places
Annual averages, and the difference against San Diego.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| San Diego County | 0 km | 17°C | about the same | 363 mm |
| Anza-Borrego Desert State Park | 93 km | 24°C | +6°C warmer | 119 mm |
| Orange County | 128 km | 18°C | +1°C warmer | 394 mm |
| Palm Springs | 137 km | 24°C | +7°C warmer | 184 mm |
| Riverside County | 139 km | 19°C | +2°C warmer | 380 mm |
Se prognosen for San Diego efter tidsinterval
San Diego weather - more answers
Explore San Diego
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is San Diego?
San Diego is a city in California. Its coordinates are 32.7157, -117.1611. It lies in Nordamerika.
What is the weather like in San Diego lige nu?
It is currently 21°C (69°F) med overskyet. Luftfugtighed is 75% and wind is 5 km/h.
When is the best time og visit San Diego?
april, maj, juni, juli, august, september and oktober offer the most comfortable conditions in San Diego, which has a Mediterranean climate. januar, februar and marts are usually the hardest months for outdoor plans.
What time zone is San Diego in?
San Diego observes America/Los_Angeles (UTC-07:00). The local time is 3:25 AM.
How many people live in San Diego?
San Diego has a population of approximately 1.4 million.
What is the nearest airport og San Diego?
The closest airports are San Diego International Airport (SAN), 4 km away, Los Angeles International Airport (LAX), 179 km away and Harry Reid International Airport (LAS), 417 km away.
What are the top things og do in San Diego?
Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa manica State Beach and Hollywood Sign.
What places are in San Diego?
San Diego covers 2 places in this atlas, including San Diego International Airport and Coronado Beach.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet 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 Vejr 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 september 21, 2026 at 3:25 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
