Rogaška Slatina Weather in September
What's the weather like in Rogaška Slatina (Rogaška Slatina) in September 2025?
The climate in Rogaška Slatina during September can be summarized as mild and damp.
September is in the fall / autumn in Rogaška Slatina and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 20.9°C 69.5°F |
|---|---|
| Nightly temperature | 10°C 49.9°F |
| Average temperature | 15.4°C 59.7°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 104 mm 4.1 ins |
| Rainy days | 12 days |
| Sea temperature | 21.9°C 71.4°F |
| Humidity | 82% |
| Windspeed | 7.6kph 5 mph |
On average September is the 4th wettest month of the year in Rogaška Slatina with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 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 Rogaška Slatina
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 Rogaška Slatina in September 2025.
Other monthly averages
Best places to visit in September
Rogaška Slatina weather stats
| Hottest month: | July | 24.6°C 76.3°F |
|---|---|---|
| Driest month: | February | 54mm 2.1ins |
| Sunniest month: | July | 9.4hrs |
| Coldest month: | January | 2.3°C 36.1°F |
| Wettest month: | June | 127mm 5ins |
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