Slănic-Moldova Weather in September
What's the weather like in Slănic-Moldova (Bacău) in September 2025?
The climate in Slănic-Moldova during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Slănic-Moldova and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 19°C 66.2°F |
|---|---|
| Nightly temperature | 6°C 42.8°F |
| Average temperature | 12.5°C 54.5°F |
| Daily sunshine | 6.8 hrs |
| Avg rainfall | 52 mm 2 ins |
| Rainy days | 9 days |
| Sea temperature | 20.9°C 69.6°F |
| Humidity | 79% |
| Windspeed | 8.6kph 5 mph |
On average September is the 6th wettest month of the year in Slănic-Moldova with around 52mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
September temperatures in Slănic-Moldova
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 Slănic-Moldova in September 2025.
Other monthly averages
Best places to visit in September
Slănic-Moldova weather stats
| Hottest month: | July | 22.1°C 71.8°F |
|---|---|---|
| Driest month: | February | 34mm 1.3ins |
| Sunniest month: | August | 8.2hrs |
| Coldest month: | January | -2.1°C 28.2°F |
| Wettest month: | June | 102mm 4ins |
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