14-day forecast — Porto
Updated hourly
Fri · Today · 4 Sep
Cloudy
+33°
+22°
8%
Sat · Tomorrow · 5 Sep
Clear
+30°
+21°
3%
Sunday · 6 Sep
Clear
+28°
+20°
5%
Monday · 7 Sep
Cloudy
+27°
+17°
10%
Tuesday · 8 Sep
Cloudy
+25°
+16°
14%
Wednesday · 9 Sep
Clear
+28°
+17°
7%
Thursday · 10 Sep
Clear
+26°
+17°
6%
Friday · 11 Sep
Clear
+29°
+17°
6%
Saturday · 12 Sep
Clear
+30°
+20°
3%
Sunday · 13 Sep
Clear
+31°
+19°
4%
Monday · 14 Sep
Clear
+33°
+18°
1%
Tuesday · 15 Sep
Clear
+36°
+23°
1%
Wednesday · 16 Sep
Clear
+29°
+19°
6%
Thursday · 17 Sep
Clear
+25°
+17°
7%
About Porto
Portugals nest største by ved Douroelvas munning.
CountryPortugal
RegionNord-Portugal
ContinentEuropa
Time zoneEurope/Lisbon (+01:00)
Latitude41.1579°
Longitude-8.6291°
LuftkvalitetPoor (EAQI 67)
Climate in Porto in september
Normals 8 years · best time to travel · Open-MeteoBest time to travel to Porto: may–september. With good weather, september is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 20°C | 19°C | ▼ 17°C |
| Highest temperature | ▼ 24°C | 23°C | ▼ 20°C |
| Lowest temperature | ▼ 17°C | 16°C | ▼ 14°C |
| Sea temperature | ▼ 17,8°C | 16,5°C | ▲ 17,3°C |
| Precipitation | ▲ 14 mm | 78 mm | ▲ 203 mm |
| Precipitation days | ▲ 3 days | 7 days | ▲ 14 days |
| Humidity | ▼ 77% | 74% | ▲ 82% |
| Sun hours per day | ▼ 12,1 h | 10,6 h | ▼ 7,8 h |
| Cloud cover | ▲ 12% | 15% | ▲ 30% |
| UV index (midday) | ▼ 10 | 7 | ▼ 5 |
| Day length | 13:46 | 12:28 | 11:06 |
| Our rating | Perfect | Good | Acceptable |
Temperature day by day in september average + 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.
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Data source
Global weather models — international forecasts
The weather for Porto is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts are updated hourly; measurements every 15 minutes. For destinations with a large time difference from Norway, local time is shown above.