Verdict: Excellent month
Bucharest Weather in September
September hits the sweet spot in Bucharest — highs around 25°C (77°F), ideal for a full day on foot. Rain is occasional — about 5 wet days in a typical year. Overall, September is one of the best months of the year to be in Bucharest.
Average high
25°C / 77°F
Average low
15°C / 59°F
Rain days
~5
Precipitation
45 mm
What to pack for Bucharest in September
- Summer clothes, plus one light layer for air-con and evenings
- Comfortable walking shoes — every guide on this site assumes you'll use them
September against the rest of the year
Warmest in Bucharest: Jul (31°C / 88°F) · Coolest: Jan (6°C / 43°F) · Wettest: Jun (~12 rain days)
6°
-2°
Jan
10°
0°
Feb
12°
2°
Mar
17°
6°
Apr
22°
12°
May
27°
17°
Jun
31°
20°
Jul
31°
20°
Aug
25°
15°
Sep
19°
9°
Oct
12°
4°
Nov
7°
1°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)