Weather in County of Zagreb for September 2025
Moderate Thunderstorm Risk Warning - See hour by hour.
Until now, September 2025 in County of Zagreb is slightly cooler than the historical average by -1.6 °C.
Expect cooler weather in the next days in County of Zagreb with the forecast suggesting a temperature of 22.9 °C, lower than the historical average.
In general, the average temperature in County of Zagreb at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19 °C by the end of September.
The climate of County of Zagreb in September is notably wet, with an average of 15 rainy days, and a total of 85.5 mm of precipitation.
Is September a good time to visit County of Zagreb? check out the best time to travel to County of Zagreb page.
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County of Zagreb Weather September
Temperatures trend during September in County of Zagreb
September weather in County of Zagreb day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 29° /15° | 0 mm | 7 | |
| 2 Sept. |  Cloudy | 31° /17° | 0.5 mm | 7 | |
| 3 Sept. | Sunny | 28° /17° | 0.4 mm | 7 | |
| 4 Sept. | Sunny | 29° /16° | 0 mm | 7 | |
| 5 Sept. |  Patchy rain possible | 30° /16° | 1.3 mm | 7 | |
| 6 Sept. | Patchy rain possible | 27° /15° | 0.3 mm | 6 | |
| 7 Sept. | Sunny | 28° /15° | 0 mm | 7 | |
| 8 Sept. | Sunny | 30° /15° | 0 mm | 7 | |
| 9 Sept. | Sunny | 25° /15° | 6.2 mm | 6 | |
| 10 Sept. | Sunny | 24° /15° | 6.3 mm | 6 | |
| 11 Sept. | Sunny | 27° /14° | 0.5 mm | 7 | |
| 12 Sept. | Sunny | 25° /13° | 2.8 mm | 6 | |
| 13 Sept. |  Partly cloudy | 21° /13° | 8.4 mm | 5 | |
| 14 Sept. | Cloudy | 21° /12° | 3.1 mm | 5 | |
| 15 Sept. | Sunny | 27° /13° | 0 mm | 1.3 | |
| 16 Sept. |  Moderate rain | 20° /12° | 5.3 mm | 0.6 | |
| 17 Sept. | Patchy rain possible | 20° /12° | 3.1 mm | 1.2 | |
| 18 Sept. | Sunny | 23° /12° | 0 mm | 1.3 | |
| 19 Sept. | Sunny | 26° /12° | 0 mm | 1.6 | |
| 20 Sept. | Sunny | 27° /14° | 0 mm | 5 | |
| 21 Sept. | Sunny | 28° /13° | 0 mm | 5 | |
| 22 Sept. | Sunny | 29° /15° | 0 mm | 6 | |
| 23 Sept. | Sunny | 28° /17° | 0 mm | 6 | |
| 24 Sept. | Patchy rain possible | 25° /12° | 2.8 mm | 4 | |
| 25 Sept. | Patchy rain possible | 12° /11° | 4.5 mm | 3 | |
| 26 Sept. | Sunny | 18° /9° | 0 mm | 4 | |
| 27 Sept. | Sunny | 19° /9° | 0 mm | 4 | |
| 28 Sept. | Partly cloudy | 18° /10° | 0 mm | 4 | |
| 29 Sept. | Sunny | 21° /10° | 0.7 mm | 6 | |
| 30 Sept. | Partly cloudy | 20° /9° | 0 mm | 5 | |
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County of Zagreb weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 32°/19° | 24°/14° | 19°/11° |
| Rainfall | 46 mm | 86 mm | 79 mm |
| Wind | 10 km/h | 10.8 km/h | 11.3 km/h |
| Humidity | 57% | 66% | 73% |
| Rainy days | 12 days | 15 days | 13 days |
| Dry days | 19 days | 15 days | 18 days |
Planning a trip to County of Zagreb? Discover the best time to visit
County of Zagreb in September - FAQ
What to pack to County of Zagreb in September?
As you prepare for your trip to County of Zagreb 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 County of Zagreb, 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 County of Zagreb
UV exposure in County of Zagreb during September
Quick links
Where is County of Zagreb?Get accurate weather forecasts for County of Zagreb, located at latitude 45.783 and longitude 16.504. Stay updated with localized weather information tailored for County of Zagreb.