The climate in Trancoso during September can be summarized as mild and a little damp.
September is in the fall / autumn in Trancoso and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 11°C (52°F) is normal.
Daytime temperature | 24.4°C 75.9°F |
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Nightly temperature | 11°C 51.8°F |
Average temperature | 17.7°C 63.9°F |
Daily sunshine | 6.8 hrs |
Avg rainfall | 80 mm 3.2 ins |
Rainy days | 9 days |
Sea temperature | 29.6°C 85.3°F |
Humidity | 65% |
Windspeed | 13kph 8 mph |
On average September is the 2nd wettest month of the year in Trancoso with around 80mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Trancoso in September 2025.
Best places to visit in September
Hottest month: | June | 26.8°C 80.2°F |
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Driest month: | March | 6mm 0.2ins |
Sunniest month: | February | 8.8hrs |
Coldest month: | January | 20.2°C 68.4°F |
Wettest month: | August | 90mm 3.5ins |