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Nettuno — weather in September, water temperature

26.2°C Daytime temperatures 21.2°C Night temperatures 22 Sunny days 11.8-13.1 Sun (hours) 4 Rainy days 74.8 mm Precipitation 24.7°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 31.7°C — 2 September 2016.
The maximum night temperature 26°C — 14 September 2020.
The minimum daily temperature 18°C — 27 September 2020.
The minimum night temperature 16°C — 28 September 2020.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 27.1 °C — 10 September 2022. The coldest water 22 °C — 29 September 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 126.4 mm — November. Minimum precipitation 13 mm — August.
Wind speed, km / h
Maximum wind speed 14.5 km / h — February. Minimum wind speed 12.2 km / h — June.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13.5 h. — July. The minimum number of hours of sunshine per day 5.7 h. — January.
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