Amarante Weather in September
What's the weather like in Amarante (Porto) in September 2025?
The climate in Amarante during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Amarante and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 13°C (56°F) is normal.
| Daytime temperature | 24.5°C 76°F |
|---|---|
| Nightly temperature | 13.2°C 55.7°F |
| Average temperature | 18.8°C 65.8°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 59 mm 2.3 ins |
| Rainy days | 9 days |
| Sea temperature | 18.5°C 65.3°F |
| Humidity | 69% |
| Windspeed | 13kph 8 mph |
On average September is the 4th driest month of the year in Amarante with around 59mm 2.3 inches of rain making it a reasonably dry 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 8.2 hours of sunshine per day.
September temperatures in Amarante
September rainfall
September hourly sunshine
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 Amarante in September 2025.
Other monthly averages
Best places to visit in September
Amarante weather stats
| Hottest month: | July | 26°C 78.8°F |
|---|---|---|
| Driest month: | July | 18mm 0.7ins |
| Sunniest month: | August | 10.6hrs |
| Coldest month: | January | 11.5°C 52.7°F |
| Wettest month: | December | 169mm 6.7ins |
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