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Weather in Cluj-Napoca for September 2025

Your guide to Cluj-Napoca weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Cluj-Napoca has been nearly identical to the historical average, with a temperature of 24.9 °C (showing only a slight deviation of -0.5 °C).

  • Expect cooler weather in the next days in Cluj-Napoca with the forecast suggesting a temperature of 22.3 °C, lower than the historical average.

  • In general, the average temperature in Cluj-Napoca at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Cluj-Napoca in September is notably wet, with an average of 11 rainy days, and a total of 65.7 mm of precipitation.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/13°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Cluj-Napoca Weather September

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

Temperatures trend during September in Cluj-Napoca

See the weather trend as well as the moving average line

September weather in Cluj-Napoca day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 26° /14° 0.1 mm 7
2 Sept. Sunny
Sunny
 28° /15° 0 mm 7
3 Sept. Light rain shower
Light rain shower
 28° /15° 2.3 mm 6
4 Sept. Sunny
Sunny
 25° /14° 5.8 mm 6
5 Sept. Sunny
Sunny
 26° /14° 0 mm 6
6 Sept. Sunny
Sunny
 27° /13° 0 mm 7
7 Sept. Sunny
Sunny
 26° /14° 0 mm 7
8 Sept. Sunny
Sunny
 26° /13° 0 mm 6
9 Sept. Sunny
Sunny
 25° /13° 2.2 mm 6
10 Sept. Partly cloudy
Partly cloudy
 22° /13° 5.1 mm 5
11 Sept. Light rain shower
Light rain shower
 21° /13° 3.1 mm 5
12 Sept. Light rain shower
Light rain shower
 23° /15° 2.1 mm 5
13 Sept. Sunny
Sunny
 27° /14° 3.4 mm 6
14 Sept. Moderate rain
Moderate rain
 17° /10° 11.1 mm 4
15 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 0.2 mm 1.2
16 Sept. Patchy rain possible
Patchy rain possible
 24° /11° 0.5 mm 1.3
17 Sept. Moderate rain
Moderate rain
 18° /11° 17.5 mm 0.8
18 Sept. Sunny
Sunny
 19° /8° 0 mm 1.6
19 Sept. Sunny
Sunny
 23° /10° 0 mm 4
20 Sept. Sunny
Sunny
 25° /13° 0 mm 5
21 Sept. Sunny
Sunny
 26° /13° 0 mm 5
22 Sept. Sunny
Sunny
 27° /15° 0 mm 5
23 Sept. Sunny
Sunny
 28° /15° 0 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 0.1 mm 5
25 Sept. Sunny
Sunny
 20° /11° 0 mm 4
26 Sept. Cloudy
Cloudy
 17° /10° 0.1 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 16° /11° 3.3 mm 3
28 Sept. Partly cloudy
Partly cloudy
 20° /9° 0 mm 4
29 Sept. Sunny
Sunny
 19° /9° 11 mm 5
30 Sept. Sunny
Sunny
 16° /9° 0.4 mm 4
Next
Important Notice
Our weather forecast for Cluj-Napoca 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 Cluj-Napoca forecast closer to your planned date for the most up-to-date weather information.
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Cluj-Napoca in September - FAQ

What are the expected maximum and minimum temperatures in Cluj-Napoca during September?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cluj-Napoca during September?
Moderate rainfall is anticipated in Cluj-Napoca during September, with a total of 65.7 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cluj-Napoca during September?
The average wind speed in Cluj-Napoca during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Cluj-Napoca

Explore the daily rainfall trends and prepare for Cluj-Napocas September weather 💧

UV exposure in Cluj-Napoca during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Cluj-Napoca?

Get accurate weather forecasts for Cluj-Napoca, located at latitude 46.767 and longitude 23.6. Stay updated with localized weather information tailored for Cluj-Napoca.

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