September · Romania
Best time to visit Bucharest in September Weather, crowds & prices
Weather in Bucharest in September
Average temperature 20°C, 51 mm of rain, about 27 days with 6+ hours of sunshine and 62% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.4/10
Ranked #3 of 12 months
- Avg temp
- 20°C
- Rainfall
- 51 mm
- Humidity
- 62%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Bucharest scores 9.4/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 20°C, 51 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Bucharest mixes Belle Époque villas, Communist-era landmarks, and a busy Old Town around Lipscani.
September is one of the strongest months in Bucharest (3rd)
At 20°C (68°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 51 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Bucharest at 9.4/10 (3rd of 12), just behind May at 9.7/10.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Bucharest in September?
- In September, Bucharest averages 20°C, 51 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 9.4/10.
- Is September a good time to visit Bucharest?
- September earns a 9.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Bucharest in September?
- Expect about 51 mm of rain in September. Average humidity is 62% and there are about 27 days with 6+ hours of sunshine.
Curated in Bucharest
Tickets & experiences
Things to do in Bucharest
Bucharest, Romania. Live activities and tours from GetYourGuide, matched to this destination.