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Weather in București for September 2025

Your guide to București weather in September - trends and predictions

    Temperatures

  • So far, September 2025 in București is slightly warmer than the historical average by 1.3 °C.

  • The forecast for the next days in București predicts a temperature of 22.9 °C, which is cooler than the historical average.

  • In general, the average temperature in București at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.6 °C by the end of September.

    • Rain 🌧️

  • București experiences moderate rainfall in September, with an average of 6 rainy days and a total precipitation of 25.5 mm.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/16°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
45 %
Avg humidity

București Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Patchy rain possible
30°
3
Partly cloudy
28°
4
Overcast
28°
5
Partly cloudy
28°
6
Partly cloudy
28°
7
Sunny
29°
8
Sunny
29°
9
Sunny
30°
10
Sunny
28°
11
Sunny
27°
12
Overcast
26°
13
Patchy rain possible
28°
14
Partly cloudy
28°
15
Partly cloudy
28°
16
Sunny
28°
17
Moderate rain
21°
18
Patchy rain possible
23°
19
Sunny
25°
20
Sunny
27°
21
Sunny
28°
22
Sunny
29°
23
Sunny
31°
24
Sunny
33°
25
Sunny
29°
26
Patchy rain possible
16°
27
Patchy rain possible
14°
28
Patchy rain possible
14°
29
Overcast
14°
30
Sunny
17°

Temperatures trend during September in București

See the weather trend as well as the moving average line

September weather in București day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 30° /18° 0.5 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 30° /18° 0.5 mm 7
3 Sept. Partly cloudy
Partly cloudy
 28° /18° 1.4 mm 7
4 Sept. Overcast
Overcast
 28° /17° 0.9 mm 6
5 Sept. Partly cloudy
Partly cloudy
 28° /16° 0.1 mm 7
6 Sept. Partly cloudy
Partly cloudy
 28° /17° 0.1 mm 7
7 Sept. Sunny
Sunny
 29° /15° 0 mm 7
8 Sept. Sunny
Sunny
 29° /16° 0 mm 7
9 Sept. Sunny
Sunny
 30° /16° 0 mm 7
10 Sept. Sunny
Sunny
 28° /16° 0.8 mm 7
11 Sept. Sunny
Sunny
 27° /16° 0.6 mm 7
12 Sept. Overcast
Overcast
 26° /16° 1.5 mm 6
13 Sept. Patchy rain possible
Patchy rain possible
 28° /15° 0.6 mm 7
14 Sept. Partly cloudy
Partly cloudy
 28° /15° 0.6 mm 7
15 Sept. Partly cloudy
Partly cloudy
 28° /16° 0 mm 7
16 Sept. Sunny
Sunny
 28° /16° 0.1 mm 7
17 Sept. Moderate rain
Moderate rain
 21° /14° 11.1 mm 0.4
18 Sept. Patchy rain possible
Patchy rain possible
 23° /13° 0.2 mm 1.3
19 Sept. Sunny
Sunny
 25° /14° 0 mm 1.3
20 Sept. Sunny
Sunny
 27° /17° 0 mm 1.7
21 Sept. Sunny
Sunny
 28° /18° 0 mm 6
22 Sept. Sunny
Sunny
 29° /16° 0 mm 6
23 Sept. Sunny
Sunny
 31° /17° 0 mm 6
24 Sept. Sunny
Sunny
 33° /20° 0 mm 7
25 Sept. Sunny
Sunny
 29° /16° 0 mm 6
26 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 2.1 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 14° /11° 2 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 14° /11° 1.5 mm 3
29 Sept. Overcast
Overcast
 14° /10° 0.1 mm 3
30 Sept. Sunny
Sunny
 17° /9° 0 mm 4
Next
Important Notice
Our weather forecast for București 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 București forecast closer to your planned date for the most up-to-date weather information.
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București in September - FAQ

What are the expected maximum and minimum temperatures in București during September?
During September, expect a variety of temperatures with highs around 26° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in București during September?
In September, București can expect light to moderate rainfall, totaling 25.5 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in București during September?
The average wind speed in București during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in București

Explore the daily rainfall trends and prepare for Bucureștis September weather 💧

UV exposure in București during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Get accurate weather forecasts for București, located at latitude 44.432 and longitude 26.106. Stay updated with localized weather information tailored for București.

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