Weather in Porto: September
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Average day temperature: | 76.4°F |
| Average night temperature: | 63.5°F | |
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Sea water temperature: | 63.8°F |
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Number of sunny days: | 21 days |
| Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 2.0 in. | |
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forecast
| Porto |
temperature
| Porto |
Air temperature in September, °F
The highest day temperature during September of 2023 was 82°F. At the same time the lowest night temperature was 58°F. Day and night temperature averages during September were 71.6°F and 63.9°F.
Sea water temperature in Porto in September, °F
The average sea water temperature in September of 2023 was 64.8°F. The highest and lowest sea temperatures during the month were 68.0°F and 57.9°F.
Mostly all days in September are sunny but cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Porto in September is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in September is 6.8 mph It makes September lest windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.1.
Best time for vacation in Porto
Porto on a weather map
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