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Riga — weather in September, water temperature

16.5°C Daytime temperatures 11.4°C Night temperatures 10 Sunny days 11.6-13.9 Sun (hours) 4 Rainy days 58.2 mm Precipitation 16.1°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 23.7°C — 17 September 2015.
The maximum night temperature 18.5°C — 18 September 2015.
The minimum daily temperature 8.5°C — 29 September 2022.
The minimum night temperature 5°C — 19 September 2021.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012
The warmest water 20 °C — 1 September 2022. The coldest water 11 °C — 26 September 2021.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 71.8 mm — July. Minimum precipitation 32.1 mm — March.
Wind speed, km / h
Maximum wind speed 19.1 km / h — December. Minimum wind speed 13.3 km / h — May.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11.2 h. — June. The minimum number of hours of sunshine per day 1.6 h. — December.
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