Bucharest Weather in September
September in Bucharest sees daytime temperatures around 26°C (79°F) and lows of 14°C (57°F) at night. With around 64 mm (2.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Bucharest in September
Historically, September sees about 7 days of rain, with a monthly average of 64 mm (2.5 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Bucharest in September
The perfect temperature in Bucharest in September makes it a solid month to visit, with 26°C (79°F) during the day and 14°C (57°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Bucharest in September
The days are predominantly sunny, with an estimated total of around 224 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Bucharest in September
September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Bucharest's climate page.
Bucharest Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
23%
Precipitation
64 mm (2.5 in)
Rainy days
7 days
Humidity
73%
Windspeed
1 m/s (2 knots)
Sunshine
224 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bucharest typically drop from around 27°C (81°F) at the start of September to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Bucharest in September
Browse day-by-day weather records for Bucharest spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bucharest historical weather extremes in September
Based on weather observations in Bucharest between 1976 and 2025, these are the recorded extremes during September.
- On September 15, 1987, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- Bucharest registered its coldest September night on September 29, 1977, with temperatures dropping to -1°C (30°F).
Best Places in Romania in September
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Bucharest in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Bucharest in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Bucharest's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Bucharest climate overview or explore weather in Romania.
