Weather in Sliven for September 2027
In general, the average temperature in Sliven at the beginning of September is 29.2 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.7 °C by the end of September.
With an average of 5 rainy days, Sliven experiences minimal rainfall in September.
Is September a good time to visit Sliven? check out the best time to travel to Sliven page.
✨ Is September a good time to visit Sliven? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
Sliven Weather September
Temperatures trend during September in Sliven
September weather in Sliven day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 29° /15° | 0.1 mm | 7 | |
| 2 Sept. |  Patchy rain possible | 31° /18° | 0 mm | 7 | |
| 3 Sept. |  Partly cloudy | 31° /18° | 0.2 mm | 6 | |
| 4 Sept. | Sunny | 29° /17° | 0.2 mm | 7.5 | |
| 5 Sept. | Sunny | 30° /16° | 0 mm | 7.4 | |
| 6 Sept. | Patchy rain possible | 29° /17° | 0.3 mm | 7 | |
| 7 Sept. | Patchy rain possible | 26° /14° | 0.2 mm | 7 | |
| 8 Sept. | Sunny | 26° /14° | 0 mm | 7 | |
| 9 Sept. | Sunny | 28° /14° | 0 mm | 7 | |
| 10 Sept. | Patchy rain possible | 27° /15° | 0.7 mm | 6.9 | |
| 11 Sept. |  Light rain | 27° /16° | 8.1 mm | 6 | |
| 12 Sept. | Patchy rain possible | 26° /15° | 1.8 mm | 6 | |
| 13 Sept. |  Moderate rain at times | 24° /14° | 5.9 mm | 5 | |
| 14 Sept. | Light rain | 24° /12° | 4.7 mm | 6 | |
| 15 Sept. | Patchy rain possible | 23° /11° | 1.2 mm | 5 | |
| 16 Sept. |  Overcast | 22° /12° | 0.3 mm | 5 | |
| 17 Sept. | Sunny | 23° /11° | 0.8 mm | 6 | |
| 18 Sept. | Patchy rain possible | 22° /11° | 0.4 mm | 6 | |
| 19 Sept. |  Cloudy | 23° /12° | 0.1 mm | 5 | |
| 20 Sept. | Cloudy | 24° /14° | 0.2 mm | 6 | |
| 21 Sept. | Partly cloudy | 25° /12° | 0.2 mm | 5.9 | |
| 22 Sept. | Overcast | 23° /11° | 0.1 mm | 4 | |
| 23 Sept. | Partly cloudy | 23° /10° | 0.3 mm | 5 | |
| 24 Sept. | Sunny | 24° /12° | 0 mm | 5.6 | |
| 25 Sept. | Sunny | 22° /12° | 0 mm | 5 | |
| 26 Sept. | Partly cloudy | 21° /12° | 0.8 mm | 4 | |
| 27 Sept. | Sunny | 22° /11° | 0 mm | 5 | |
| 28 Sept. | Cloudy | 21° /11° | 0.3 mm | 4 | |
| 29 Sept. | Moderate or heavy rain shower | 18° /11° | 6.9 mm | 3 | |
| 30 Sept. | Light drizzle | 16° /9° | 1.4 mm | 4 | |
| Next | |||||
Sliven weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 31°/17° | 25°/13° | 17°/7° |
| Rainfall | 14 mm | 35 mm | 61 mm |
| Wind | 16.9 km/h | 15.8 km/h | 12.3 km/h |
| Humidity | 45% | 56% | 64% |
| Rainy days | 3 days | 5 days | 6 days |
| Dry days | 28 days | 25 days | 25 days |
Planning a trip to Sliven? Discover the best time to visit
Sliven in September - FAQ
What are the expected maximum and minimum temperatures in Sliven during September?
How much rainfall should be expected in Sliven during September?
What are the typical wind conditions in Sliven during September?
September rainfall patterns in Sliven
UV exposure in Sliven during September
What to pack to Sliven in September?
Mild & changeable · highs around 25 °C, occasional showers
As you prepare for your trip to Sliven 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 Sliven, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
🎒 Accessories
Where is Sliven?Get accurate weather forecasts for Sliven, located at latitude 42.686 and longitude 26.329. Stay updated with localized weather information tailored for Sliven.