Monthly climate guide
Sibiu weather in September
With highs near 24°C (75°F) and lows around 12°C (53°F), September feels warm in Sibiu. Rainfall averages about 48 mm (fairly dry) and the sky is a mix of sun and cloud. Daytime highs are 4°C cooler than August and 7°C warmer than October.
What stands out in September
- Temperatures are falling — expect highs around 7°C lower by October.
- It's one of the sunniest months here, with cloud cover around 52%.
- September brings early autumn to Sibiu.
- Evenings cool off sharply: the daily range is around 13°C, so pack a layer.
Avg high
24°C
75°F
Avg low
12°C
53°F
Rainfall
48 mm
fairly dry
Humidity
62%
relative
Sky
52%
cloud · a mix of sun and cloud
Sibiu weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 2°C / 35°F | -6°C / 22°F | 32 mm | 87% | 77% |
| February | 5°C / 41°F | -4°C / 25°F | 31 mm | 83% | 78% |
| March | 11°C / 51°F | 0°C / 31°F | 40 mm | 76% | 69% |
| April | 16°C / 61°F | 5°C / 40°F | 55 mm | 71% | 66% |
| May | 20°C / 69°F | 9°C / 49°F | 99 mm | 72% | 70% |
| June | 24°C / 75°F | 14°C / 57°F | 128 mm | 72% | 62% |
| July | 27°C / 80°F | 15°C / 60°F | 88 mm | 65% | 52% |
| August | 28°C / 83°F | 16°C / 60°F | 57 mm | 59% | 41% |
| September | 24°C / 75°F | 12°C / 53°F | 48 mm | 62% | 52% |
| October | 17°C / 63°F | 6°C / 42°F | 52 mm | 72% | 57% |
| November | 11°C / 51°F | 1°C / 34°F | 33 mm | 81% | 67% |
| December | 3°C / 38°F | -3°C / 26°F | 34 mm | 87% | 75% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- An extra layer — evenings are noticeably cooler than afternoons
- A small travel umbrella, just in case
Is September a good time to visit Sibiu?
Compare the months in the chart above to find your ideal window.
Best time to visit Sibiu →Other Romania cities in September
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Sibiu weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/romania/sibiu/september
<a href="https://weathercompare.eu/weather/romania/sibiu/september">Sibiu weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/romania/sibiu" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Sibiu weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/romania/sibiu/september">Sibiu weather in September</a> – WeatherCompare</p>
Sibiu in September: quick answers
Is September a good time to visit Sibiu?
Yes. September is one of the best months for Sibiu, with highs around 24°C and about 48 mm of rain.
How warm is Sibiu in September?
Average highs are about 24°C (75°F) and average lows about 12°C (53°F), based on 10 years of daily data.
Does it rain a lot in Sibiu in September?
Sibiu typically gets around 48 mm of rain in September — fairly dry.
Figures are long-term averages for the area around Sibiu (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.