Weather in Sofia for September 2026
In general, the average temperature in Sofia at the beginning of September is 23.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of September.
The climate of Sofia in September is notably wet, with an average of 12 rainy days, and a total of 53.2 mm of precipitation.
Is September a good time to visit Sofia? check out the best time to travel to Sofia page.
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Sofia Weather September
Temperatures trend during September in Sofia
September weather in Sofia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 22° /11° | 0 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 24° /12° | 0.1 mm | 6 | |
| 3 Sept. | Patchy rain possible | 25° /14° | 0 mm | 6 | |
| 4 Sept. | Patchy rain possible | 24° /15° | 0.1 mm | 5 | |
| 5 Sept. | Patchy rain possible | 24° /13° | 0 mm | 6 | |
| 6 Sept. |  Moderate rain at times | 23° /13° | 4.8 mm | 6 | |
| 7 Sept. |  Patchy light rain with thunder | 21° /11° | 4.4 mm | 6 | |
| 8 Sept. | Patchy rain possible | 23° /11° | 0 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /12° | 0.3 mm | 5 | |
| 10 Sept. | Light rain shower | 20° /12° | 5.1 mm | 6 | |
| 11 Sept. | Light rain shower | 18° /11° | 4.9 mm | 4 | |
| 12 Sept. | Partly cloudy | 21° /11° | 6.6 mm | 5 | |
| 13 Sept. | Patchy rain possible | 21° /12° | 0.3 mm | 5 | |
| 14 Sept. | Patchy rain possible | 20° /9° | 0.8 mm | 5 | |
| 15 Sept. | Light rain shower | 17° /8° | 2.4 mm | 4 | |
| 16 Sept. | Patchy rain possible | 18° /8° | 0.3 mm | 5 | |
| 17 Sept. | Patchy rain possible | 15° /6° | 0.9 mm | 4 | |
| 18 Sept. |  Light rain | 13° /7° | 3.6 mm | 4 | |
| 19 Sept. | Light rain shower | 16° /7° | 3 mm | 4 | |
| 20 Sept. | Light rain shower | 17° /9° | 2.3 mm | 5 | |
| 21 Sept. | Patchy rain possible | 19° /8° | 0 mm | 5 | |
| 22 Sept. |  Sunny | 19° /8° | 0 mm | 6 | |
| 23 Sept. | Patchy rain possible | 21° /9° | 0 mm | 5 | |
| 24 Sept. | Partly cloudy | 22° /11° | 0 mm | 6 | |
| 25 Sept. | Patchy rain possible | 20° /10° | 0.4 mm | 5 | |
| 26 Sept. | Patchy rain possible | 17° /10° | 0.7 mm | 4 | |
| 27 Sept. | Sunny | 18° /9° | 0.6 mm | 5 | |
| 28 Sept. | Sunny | 17° /10° | 6.2 mm | 4 | |
| 29 Sept. | Light rain shower | 14° /5° | 4.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 12° /4° | 1.1 mm | 3 | |
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Sofia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Sunny |
| Temperatures | 25°/14° | 19°/10° | 13°/5° |
| Rainfall | 67 mm | 53 mm | 100 mm |
| Snowfall | 0 cm | 0 cm | 16 cm |
| Wind | 11.4 km/h | 10 km/h | 9.3 km/h |
| Humidity | 52% | 63% | 68% |
| Rainy days | 10 days | 12 days | 7 days |
| Snow days | 0 days | 0 days | 4 days |
| Dry days | 21 days | 18 days | 20 days |
Planning a trip to Sofia? Discover the best time to visit
Sofia in September - FAQ
What are the expected maximum and minimum temperatures in Sofia during September?
How much rainfall should be expected in Sofia during September?
What are the typical wind conditions in Sofia during September?
September rainfall patterns in Sofia
UV exposure in Sofia during September
What to pack to Sofia in September?
Mild & changeable · highs around 19 °C, frequent showers
As you prepare for your trip to Sofia 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 Sofia, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
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Where is Sofia?Get accurate weather forecasts for Sofia, located at latitude 42.267 and longitude 23.6. Stay updated with localized weather information tailored for Sofia.