Bacău
September
Weather in Bacău for September 2025
Your guide to Bacău weather in September - trends and predictions
So far, September 2025 in Bacău is slightly warmer than the historical average by 1.1 °C.
Expect cooler weather in the next days in Bacău with the forecast suggesting a temperature of 24.8 °C, lower than the historical average.
In general, the average temperature in Bacău at the beginning of September is 29.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.4 °C by the end of September.
Bacău experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 43.6 mm.
Temperatures
Rain 🌧️
22
Dry days
8
Rainy days
0
Snow days
25°/13°
Temperatures
19 km/h
Avg max wind
55 %
Avg humidity
Bacău Weather September
Move between months or click on a day
Temperatures trend during September in Bacău
See the weather trend as well as the moving average line
September weather in Bacău day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 30° /16° | 1.6 mm | 7 | |
| 2 Sept. |  Sunny | 32° /16° | 0.1 mm | 8 | |
| 3 Sept. | Sunny | 33° /16° | 0.2 mm | 8 | |
| 4 Sept. |  Light rain shower | 27° /15° | 0.5 mm | 7 | |
| 5 Sept. |  Cloudy | 29° /14° | 0.1 mm | 7 | |
| 6 Sept. |  Overcast | 29° /13° | 0 mm | 7 | |
| 7 Sept. | Partly cloudy | 28° /14° | 0 mm | 7 | |
| 8 Sept. | Sunny | 28° /13° | 0 mm | 7 | |
| 9 Sept. | Sunny | 28° /13° | 0.1 mm | 7 | |
| 10 Sept. | Partly cloudy | 28° /14° | 0 mm | 7 | |
| 11 Sept. | Partly cloudy | 24° /13° | 0.7 mm | 6 | |
| 12 Sept. | Sunny | 23° /14° | 8.1 mm | 5 | |
| 13 Sept. | Cloudy | 27° /13° | 0.8 mm | 6 | |
| 14 Sept. | Partly cloudy | 26° /13° | 8.9 mm | 7 | |
| 15 Sept. | Patchy rain possible | 23° /12° | 0.1 mm | 0.5 | |
| 16 Sept. | Sunny | 26° /10° | 0 mm | 1.3 | |
| 17 Sept. |  Moderate rain | 17° /12° | 10.5 mm | 0.3 | |
| 18 Sept. | Patchy rain possible | 19° /11° | 1.4 mm | 0.6 | |
| 19 Sept. | Sunny | 22° /9° | 0 mm | 1.6 | |
| 20 Sept. | Sunny | 25° /11° | 0 mm | 5 | |
| 21 Sept. | Sunny | 27° /13° | 0 mm | 5 | |
| 22 Sept. | Sunny | 28° /12° | 0 mm | 5 | |
| 23 Sept. | Sunny | 29° /12° | 0 mm | 5 | |
| 24 Sept. | Sunny | 30° /13° | 0 mm | 6 | |
| 25 Sept. | Sunny | 26° /13° | 0 mm | 5 | |
| 26 Sept. | Sunny | 30° /15° | 0 mm | 6 | |
| 27 Sept. | Sunny | 27° /13° | 0 mm | 5 | |
| 28 Sept. | Patchy rain possible | 18° /13° | 0.7 mm | 3 | |
| 29 Sept. | Overcast | 22° /8° | 10 mm | 5 | |
| 30 Sept. | Sunny | 18° /9° | 2.5 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Bacău in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Bacău forecast closer to your planned date for the most up-to-date weather information.
Change Month
Bacău in September - FAQ
What are the expected maximum and minimum temperatures in Bacău during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Bacău during September?
In September, Bacău can expect light to moderate rainfall, totaling 43.6 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Bacău during September?
The average wind speed in Bacău during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Bacău
Explore the daily rainfall trends and prepare for Bacăus September weather 💧
UV exposure in Bacău during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Provinces in Bacău
Select a province for an accurate weather forecast
Quick links
More Bacău weather pages
You are here
Where is Bacău?Get accurate weather forecasts for Bacău, located at latitude 46.567 and longitude 26.914. Stay updated with localized weather information tailored for Bacău.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.