Karlovac
September
Weather in Karlovac for September 2025
Your guide to Karlovac weather in September - trends and predictions
In general, the average temperature in Karlovac at the beginning of September is 29.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.6 °C by the end of September.
Karlovac in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 109.5 mm.
Is September a good time to visit Karlovac? check out the best time to travel to Karlovac page.
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Temperatures
Rain 🌧️
More
12
Dry days
18
Rainy days
0
Snow days
24°/12°
Temperatures
10 km/h
Avg max wind
73 %
Avg humidity
Karlovac in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  30° | 2  31° | 3  31° | 4  29° | 5 29° | 6 29° | 7 30° |
| 8 30° | 9 27° | 10 27° | 11 28° | 12 25° | 13 20° | 14  22° |
| 15 18° | 16 21° | 17 21° | 18 25° | 19  22° | 20  23° | 21 25° |
| 22 25° | 23  21° | 24  18° | 25 19° | 26 24° | 27 27° | 28 21° |
| 29 21° | 30 21° |
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Temperatures trend during September in Karlovac
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. | Mist | 30° /14° | 0 mm | 7 | |
| 2 Sept. | Overcast | 31° /14° | 0 mm | 7 | |
| 3 Sept. | Sunny | 31° /16° | 0.3 mm | 8 | |
| 4 Sept. | Partly cloudy | 29° /14° | 0.1 mm | 7 | |
| 5 Sept. | Partly cloudy | 29° /13° | 1 mm | 7 | |
| 6 Sept. | Sunny | 29° /13° | 1.1 mm | 7 | |
| 7 Sept. | Sunny | 30° /13° | 0 mm | 8 | |
| 8 Sept. | Sunny | 30° /13° | 0 mm | 8 | |
| 9 Sept. | Sunny | 27° /13° | 11.9 mm | 6 | |
| 10 Sept. | Sunny | 27° /12° | 0 mm | 6 | |
| 11 Sept. | Sunny | 28° /12° | 0 mm | 8 | |
| 12 Sept. | Sunny | 25° /11° | 13.3 mm | 6 | |
| 13 Sept. | Partly cloudy | 20° /10° | 14.9 mm | 5 | |
| 14 Sept. | Thundery outbreaks possible | 22° /9° | 2 mm | 5 | |
| 15 Sept. | Mist | 18° /11° | 3.3 mm | 4 | |
| 16 Sept. | Sunny | 21° /10° | 1.8 mm | 6 | |
| 17 Sept. | Partly cloudy | 21° /11° | 2.4 mm | 5 | |
| 18 Sept. | Mist | 25° /11° | 1 mm | 6 | |
| 19 Sept. | Light rain shower | 22° /12° | 3.5 mm | 5 | |
| 20 Sept. | Cloudy | 23° /12° | 1 mm | 5 | |
| 21 Sept. | Light rain shower | 25° /12° | 1.8 mm | 6 | |
| 22 Sept. | Patchy rain possible | 25° /12° | 1.4 mm | 6 | |
| 23 Sept. | Moderate or heavy rain shower | 21° /11° | 15 mm | 6 | |
| 24 Sept. | Light rain | 18° /12° | 24.9 mm | 4 | |
| 25 Sept. | Light drizzle | 19° /11° | 0.4 mm | 4 | |
| 26 Sept. | Fog | 24° /11° | 0 mm | 6 | |
| 27 Sept. | Mist | 27° /14° | 0 mm | 6 | |
| 28 Sept. | Sunny | 21° /10° | 5.7 mm | 5 | |
| 29 Sept. | Sunny | 21° /7° | 2.7 mm | 5 | |
| 30 Sept. | Partly cloudy | 21° /7° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Karlovac 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 Karlovac forecast closer to your planned date for the most up-to-date weather information.
Karlovac in September - FAQ
What are the expected maximum and minimum temperatures in Karlovac during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Karlovac during September?
Significant rainfall exceeding 109.5 mm is expected in Karlovac during September, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Karlovac during September?
The average wind speed in Karlovac during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Karlovac in September?
As you prepare for your trip to Karlovac 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 Karlovac, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- 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
September rainfall patterns in Karlovac
Explore the daily rainfall trends and prepare for Karlovacs September weather 💧
UV exposure in Karlovac during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Karlovac?Get accurate weather forecasts for Karlovac, located at latitude 45.492 and longitude 15.55. Stay updated with localized weather information tailored for Karlovac.
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