Cluj (Cluj-Napoca)
September
Weather in Cluj for September 2025
Your guide to Cluj weather in September - trends and predictions
In general, the average temperature in Cluj at the beginning of September is 25.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 22.7 °C by the end of September.
With an average of 4 rainy days, Cluj experiences minimal rainfall in September.
Is September a good time to visit Cluj? check out the best time to travel to Cluj page.
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26
Dry days
4
Rainy days
0
Snow days
26°/12°
Temperatures
13 km/h
Avg max wind
57 %
Avg humidity
Cluj in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 28° | 3  28° | 4 24° | 5 24° | 6 26° | 7 25° |
| 8 26° | 9 27° | 10  22° | 11 21° | 12 25° | 13 29° | 14  17° |
| 15  18° | 16 17° | 17 20° | 18 23° | 19 18° | 20 20° | 21  23° |
| 22 24° | 23 26° | 24 25° | 25 23° | 26 25° | 27 26° | 28 25° |
| 29 19° | 30 16° |
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Temperatures trend during September in Cluj
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Sunny | 26° /14° | 0.1 mm | 7 | |
| 2 Sept. | Sunny | 28° /14° | 0 mm | 7 | |
| 3 Sept. | Light rain shower | 28° /15° | 3 mm | 7 | |
| 4 Sept. | Light rain shower | 24° /13° | 8.8 mm | 6 | |
| 5 Sept. | Sunny | 24° /13° | 0 mm | 7 | |
| 6 Sept. | Sunny | 26° /12° | 0 mm | 7 | |
| 7 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 8 Sept. | Sunny | 26° /13° | 0 mm | 7 | |
| 9 Sept. | Sunny | 27° /13° | 0 mm | 7 | |
| 10 Sept. | Partly cloudy | 22° /13° | 7.1 mm | 6 | |
| 11 Sept. | Sunny | 21° /13° | 3.6 mm | 6 | |
| 12 Sept. | Sunny | 25° /15° | 0.7 mm | 6 | |
| 13 Sept. | Sunny | 29° /14° | 5.1 mm | 7 | |
| 14 Sept. | Moderate rain | 17° /10° | 11.1 mm | 4 | |
| 15 Sept. | Overcast | 18° /10° | 1 mm | 4 | |
| 16 Sept. | Patchy rain possible | 17° /10° | 0.7 mm | 4 | |
| 17 Sept. | Patchy rain possible | 20° /11° | 0.5 mm | 5 | |
| 18 Sept. | Sunny | 23° /12° | 0 mm | 6 | |
| 19 Sept. | Light rain shower | 18° /11° | 5.2 mm | 4 | |
| 20 Sept. | Light rain shower | 20° /11° | 0.6 mm | 5 | |
| 21 Sept. | Cloudy | 23° /10° | 0 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /13° | 0.4 mm | 6 | |
| 23 Sept. | Patchy rain possible | 26° /13° | 0.2 mm | 6 | |
| 24 Sept. | Light rain shower | 25° /13° | 2.3 mm | 6 | |
| 25 Sept. | Partly cloudy | 23° /13° | 3.9 mm | 6 | |
| 26 Sept. | Sunny | 25° /13° | 0 mm | 7 | |
| 27 Sept. | Sunny | 26° /14° | 0 mm | 7 | |
| 28 Sept. | Sunny | 25° /14° | 0 mm | 7 | |
| 29 Sept. | Sunny | 19° /9° | 11 mm | 5 | |
| 30 Sept. | Sunny | 16° /9° | 0.4 mm | 4 | |
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Important Notice
Our weather forecast for Cluj 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 forecast closer to your planned date for the most up-to-date weather information.
Cluj in September - FAQ
What are the expected maximum and minimum temperatures in Cluj during September?
Enjoy moderate daytime temperatures of up to 26° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cluj during September?
Significant rainfall exceeding 100.6 mm is expected in Cluj during September, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cluj during September?
The average wind speed in Cluj during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Cluj in September?
As you prepare for your trip to Cluj in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cluj, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Cluj
Explore the daily rainfall trends and prepare for Clujs September weather 💧
UV exposure in Cluj during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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