September · Romania
Best time to visit Sibiu in September Weather, crowds & prices
Weather in Sibiu in September
Average temperature 18°C, 76 mm of rain, about 12 days with 6+ hours of sunshine and 66% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.1/10
Ranked #5 of 12 months
- Avg temp
- 18°C
- Rainfall
- 76 mm
- Humidity
- 66%
- Days with 6h+ sun
- 12
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Sibiu scores 8.1/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 18°C, 76 mm of rain, and roughly 12 days with 6+ hours of sunshine this month.
Sibiu's Saxon squares, tower-lined walls and rooftop eye-windows make it one of Transylvania's most rewarding cities.
September in Sibiu: strong conditions, 5th of 12
September averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 76 mm, so plan one flexible day in three; you still get about 12 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 8.1/10 here, 5th of 12 months, against 9/10 in the destination's best month.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Sibiu in September?
- In September, Sibiu averages 18°C, 76 mm of rain, and about 12 days with 6+ hours of sunshine. Its climate-comfort score is 8.1/10.
- Is September a good time to visit Sibiu?
- September earns a 8.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sibiu in September?
- Expect about 76 mm of rain in September. Average humidity is 66% and there are about 12 days with 6+ hours of sunshine.
Curated in Sibiu
Tickets & experiences
Things to do in Sibiu
Sibiu, Romania. Live activities and tours from GetYourGuide, matched to this destination.