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Ischia — weather in September, water temperature

25°C Daytime temperatures 23.3°C Night temperatures 23 Sunny days 11.8-13.1 Sun (hours) 4 Rainy days 64.5 mm Precipitation 25°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 31°C — 1 September 2015.
The maximum night temperature 27.5°C — 1 September 2015.
The minimum daily temperature 18°C — 23 September 2022.
The minimum night temperature 18.5°C — 26 September 2018.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 27.3 °C — 1 September 2022. The coldest water 22.6 °C — 30 September 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 133.8 mm — November. Minimum precipitation 13.5 mm — August.
Wind speed, km / h
Maximum wind speed 19 km / h — January. Minimum wind speed 12.5 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13.4 h. — July. The minimum number of hours of sunshine per day 5.6 h. — January.
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