Sofia
September
Weather in Sofia for September 2025
Your guide to Sofia weather in September - trends and predictions
In general, the average temperature in Sofia at the beginning of September is 27 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.6 °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.
Temperatures
Rain 🌧️
17
Dry days
13
Rainy days
0
Snow days
24°/11°
Temperatures
13 km/h
Avg max wind
56 %
Avg humidity
Sofia in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2  29° | 3 30° | 4  24° | 5  25° | 6 27° | 7 26° |
| 8 26° | 9 27° | 10 22° | 11 21° | 12 27° | 13 29° | 14 24° |
| 15 23° | 16  20° | 17  22° | 18 21° | 19 21° | 20 22° | 21 23° |
| 22 26° | 23 28° | 24 27° | 25 23° | 26 25° | 27 25° | 28 26° |
| 29 21° | 30 18° |
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Temperatures trend during September in Sofia
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. | Partly cloudy | 28° /13° | 0.2 mm | 7 | |
| 2 Sept. | Sunny | 29° /13° | 0 mm | 7 | |
| 3 Sept. | Sunny | 30° /13° | 0 mm | 8 | |
| 4 Sept. | Torrential rain shower | 24° /14° | 14.7 mm | 6 | |
| 5 Sept. | Overcast | 25° /13° | 0.6 mm | 6 | |
| 6 Sept. | Partly cloudy | 27° /12° | 1.3 mm | 7 | |
| 7 Sept. | Sunny | 26° /14° | 0.2 mm | 7 | |
| 8 Sept. | Sunny | 26° /12° | 0 mm | 7 | |
| 9 Sept. | Sunny | 27° /11° | 0 mm | 7 | |
| 10 Sept. | Sunny | 22° /11° | 3.9 mm | 6 | |
| 11 Sept. | Sunny | 21° /10° | 4 mm | 6 | |
| 12 Sept. | Sunny | 27° /9° | 0 mm | 7 | |
| 13 Sept. | Sunny | 29° /11° | 0.3 mm | 7 | |
| 14 Sept. | Partly cloudy | 24° /10° | 1.9 mm | 6 | |
| 15 Sept. | Partly cloudy | 23° /10° | 0.6 mm | 6 | |
| 16 Sept. | Patchy light rain with thunder | 20° /9° | 6.3 mm | 5 | |
| 17 Sept. | Patchy rain possible | 22° /10° | 1.6 mm | 6 | |
| 18 Sept. | Partly cloudy | 21° /11° | 0.5 mm | 5 | |
| 19 Sept. | Patchy rain possible | 21° /9° | 1.7 mm | 5 | |
| 20 Sept. | Patchy rain possible | 22° /10° | 3.3 mm | 5 | |
| 21 Sept. | Patchy rain possible | 23° /11° | 1.2 mm | 6 | |
| 22 Sept. | Patchy rain possible | 26° /10° | 0.3 mm | 6 | |
| 23 Sept. | Sunny | 28° /11° | 0 mm | 7 | |
| 24 Sept. | Patchy rain possible | 27° /12° | 1.2 mm | 6 | |
| 25 Sept. | Light rain shower | 23° /12° | 2.7 mm | 6 | |
| 26 Sept. | Overcast | 25° /12° | 0.1 mm | 6 | |
| 27 Sept. | Partly cloudy | 25° /12° | 0 mm | 7 | |
| 28 Sept. | Sunny | 26° /11° | 0 mm | 7 | |
| 29 Sept. | Partly cloudy | 21° /9° | 1.2 mm | 5 | |
| 30 Sept. | Sunny | 18° /8° | 0.7 mm | 5 | |
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Important Notice
Our weather forecast for Sofia 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 Sofia forecast closer to your planned date for the most up-to-date weather information.
Sofia in September - FAQ
What are the expected maximum and minimum temperatures in Sofia during September?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sofia during September?
In September, Sofia can expect light to moderate rainfall, totaling 48.6 mm across approximately 13 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Sofia during September?
The average wind speed in Sofia during September is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Sofia
Explore the daily rainfall trends and prepare for Sofias September weather 💧
UV exposure in Sofia during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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