Weather in Sofia for September 2025
So far, September 2025 in Sofia is slightly warmer than the historical average by 1.4 °C.
The forecast for the next days in Sofia predicts a temperature of 22.3 °C, which is cooler than the historical average.
In general, the average temperature in Sofia at the beginning of September is 27.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.3 °C by the end of September.
The climate of Sofia in September is notably wet, with an average of 13 rainy days, and a total of 48.6 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 | 28° /12° | 0.2 mm | 7 | |
| 2 Sept. |  Sunny | 29° /12° | 0 mm | 7 | |
| 3 Sept. | Sunny | 31° /13° | 0 mm | 8 | |
| 4 Sept. |  Torrential rain shower | 26° /14° | 9.8 mm | 6 | |
| 5 Sept. | Sunny | 26° /13° | 0.4 mm | 6 | |
| 6 Sept. | Partly cloudy | 27° /12° | 0.9 mm | 7 | |
| 7 Sept. | Sunny | 27° /13° | 0.1 mm | 7 | |
| 8 Sept. | Sunny | 27° /12° | 0 mm | 7 | |
| 9 Sept. | Sunny | 28° /11° | 0 mm | 7 | |
| 10 Sept. | Sunny | 25° /11° | 2.6 mm | 6 | |
| 11 Sept. | Sunny | 24° /11° | 2.9 mm | 6 | |
| 12 Sept. | Sunny | 26° /11° | 1.4 mm | 7 | |
| 13 Sept. |  Patchy rain possible | 28° /12° | 0.2 mm | 7 | |
| 14 Sept. | Partly cloudy | 25° /11° | 1.7 mm | 6 | |
| 15 Sept. | Partly cloudy | 24° /10° | 0.8 mm | 6 | |
| 16 Sept. |  Patchy light rain with thunder | 20° /9° | 6.3 mm | 5 | |
| 17 Sept. | Patchy rain possible | 18° /9° | 0.9 mm | 0.7 | |
| 18 Sept. | Sunny | 22° /7° | 0 mm | 1.5 | |
| 19 Sept. | Sunny | 24° /7° | 0 mm | 1.5 | |
| 20 Sept. | Sunny | 26° /10° | 0 mm | 1.8 | |
| 21 Sept. | Sunny | 27° /10° | 0 mm | 5 | |
| 22 Sept. | Sunny | 29° /11° | 0 mm | 5 | |
| 23 Sept. | Sunny | 31° /12° | 0 mm | 6 | |
| 24 Sept. | Sunny | 31° /14° | 0 mm | 6 | |
| 25 Sept. | Sunny | 28° /15° | 0 mm | 6 | |
| 26 Sept. | Patchy rain possible | 20° /13° | 2.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 17° /12° | 1.5 mm | 3 | |
| 28 Sept. | Patchy rain possible | 12° /10° | 0.9 mm | 3 | |
| 29 Sept. | Patchy rain possible | 12° /8° | 0.4 mm | 3 | |
| 30 Sept. | Partly cloudy | 15° /7° | 0.1 mm | 4 | |
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Sofia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 30°/15° | 24°/11° | 20°/7° |
| Rainfall | 41 mm | 49 mm | 25 mm |
| Wind | 14 km/h | 13.1 km/h | 10 km/h |
| Humidity | 45% | 56% | 55% |
| Rainy days | 11 days | 13 days | 6 days |
| Dry days | 20 days | 17 days | 25 days |
Planning a trip to Sofia? Discover the best time to visit
Sofia in September - FAQ
What to pack to Sofia in September?
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
- 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 Sofia
UV exposure in Sofia during September
Quick links
Where is Sofia?Get accurate weather forecasts for Sofia, located at latitude 42.698 and longitude 23.324. Stay updated with localized weather information tailored for Sofia.