The climate in Mugnano di Napoli during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Mugnano di Napoli and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 16°C (60°F) is normal.
| Daytime temperature | 26.3°C 79.3°F |
|---|---|
| Nightly temperature | 15.5°C 59.9°F |
| Average temperature | 20.9°C 69.6°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 74 mm 2.9 ins |
| Rainy days | 9 days |
| Sea temperature | 24.9°C 76.9°F |
| Humidity | 72% |
| Windspeed | 6.5kph 4 mph |
On average September is the 6th driest month of the year in Mugnano di Napoli with around 74mm 2.9 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 8.4 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 Mugnano di Napoli in September 2025.
Best places to visit in September
| Hottest month: | August | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | July | 22mm 0.9ins |
| Sunniest month: | August | 10.2hrs |
| Coldest month: | January | 12.2°C 54°F |
| Wettest month: | November | 147mm 5.8ins |