The maximum daily temperature 28.5°C — 14 September 2021.
The maximum night temperature 19°C — 17 September 2015.
The minimum daily temperature 7°C — 19 September 2017.
The minimum night temperature 1°C — 26 September 2018.
Postojna, Slovenia — weather in September
Weather in resort cities around the world, data for the past 5 years. Information includes daytime and nighttime temperatures, water temperature, rainfall, and day length. Convenient graphics and weather comparison in different resorts around the world.
Postojna — weather by month
Postojna — weather in September
Air temperature
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
Sunny, cloudy and gloomy days
Sunny days — 14
Rainy days — 9
Gloomy days — 7
Precipitation, mm
Maximum precipitation 139.7 mm — May.
Minimum precipitation 83.3 mm — January.
Wind speed, km / h
Maximum wind speed 10.3 km / h — March.
Minimum wind speed 7.6 km / h — December.
Number of hours of sunshine
The maximum number of hours of sunshine per day 11.2 h. — July.
The minimum number of hours of sunshine per day 4 h. — December.
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