Porto San Giorgio Weather in September
What's the weather like in Porto San Giorgio (The Marches) in September 2025?
The climate in Porto San Giorgio during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Porto San Giorgio and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 25°C (77°F), whilst at night 15°C (60°F) is normal.
| Daytime temperature | 24.8°C 76.6°F |
|---|---|
| Nightly temperature | 15.4°C 59.7°F |
| Average temperature | 20.1°C 68.2°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 75 mm 2.9 ins |
| Rainy days | 10 days |
| Sea temperature | 22.8°C 73.1°F |
| Humidity | 72% |
| Windspeed | 6.5kph 4 mph |
On average September is the 3rd wettest month of the year in Porto San Giorgio with around 75mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
September temperatures in Porto San Giorgio
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 Porto San Giorgio in September 2025.
Other monthly averages
Best places to visit in September
Porto San Giorgio weather stats
| Hottest month: | July | 28.3°C 82.9°F |
|---|---|---|
| Driest month: | July | 45mm 1.8ins |
| Sunniest month: | August | 10.3hrs |
| Coldest month: | January | 9.1°C 48.4°F |
| Wettest month: | November | 79mm 3.1ins |
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