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Killarney — weather in September, water temperature

16.2°C Daytime temperatures 10°C Night temperatures 3 Sunny days 11.7-13.6 Sun (hours) 6 Rainy days 82.6 mm Precipitation 14.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 25.5°C — 7 September 2021.
The maximum night temperature 17.3°C — 6 September 2016.
The minimum daily temperature 9°C — 20 September 2018.
The minimum night temperature 2°C — 24 September 2018.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 17.1 °C — 2 September 2022. The coldest water 13.3 °C — 29 September 2018.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 141.5 mm — December. Minimum precipitation 71.2 mm — April.
Wind speed, km / h
Maximum wind speed 19.7 km / h — February. Minimum wind speed 11.8 km / h — July.
Number of hours of sunshine
The maximum number of hours of sunshine per day 5.2 h. — April. The minimum number of hours of sunshine per day 2.1 h. — December.
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