Bacău Weather in September
With daytime temperatures of 23°C (73°F) and nighttime lows of 11°C (52°F), September in Bacău brings high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in Bacău in September
Typically around 8 days of rainfall are expected, averaging 54 mm (2.1 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Bacău in September
Weather in Bacău is at its perfect in September. Highs reach 23°C (73°F), while nights settle around 11°C (52°F). This kind of day-to-night contrast is typical for this time of year. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Bacău.
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 Bacău's climate page.
Bacău Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
23°C (73°F)
Chance of Rain
26%
Precipitation
54 mm (2.1 in)
Rainy days
8 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bacău typically drop from around 24°C (75°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°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 Bacău in September
Browse day-by-day weather records for Bacău spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bacău historical weather extremes in September
The extremes listed below come from historical weather data collected in Bacău from 1976 through 2025.
- The warmest day in September was on September 1, 2015, with a maximum of 36°C (97°F).
- The coldest night in September in Bacău was on September 29, 1977, with a minimum of -3°C (27°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
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unpleasant
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What to Wear in Bacău in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.What To Do in Bacău 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 Bacău's climate page.
See the full Bacău climate overview or explore weather in Romania.
