Postojna Weather in September
What's the weather like in Postojna (Postojna) in September 2024?
The climate in Postojna during September can be summarized as mild and wet.
September is in the fall / autumn in Postojna and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 8°C (47°F) is normal.
| Daytime temperature | 19.1°C 66.3°F |
|---|---|
| Nightly temperature | 8.2°C 46.7°F |
| Average temperature | 13.6°C 56.5°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 150 mm 5.9 ins |
| Rainy days | 13 days |
| Sea temperature | 22.8°C 73.1°F |
| Humidity | 82% |
| Windspeed | 8.3kph 5 mph |
On average September is the 4th wettest month of the year in Postojna with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Postojna
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Postojna in September 2024.
Other monthly averages
Best places to visit in September
Postojna weather stats
| Hottest month: | July | 22.8°C 73°F |
|---|---|---|
| Driest month: | February | 100mm 3.9ins |
| Sunniest month: | July | 9.9hrs |
| Coldest month: | January | 2°C 35.6°F |
| Wettest month: | November | 181mm 7.1ins |
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