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 11 rainy days.
Is September a good time to visit Sofia? check out the best time to travel to Sofia page.
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19
Dry days
11
Rainy days
0
Snow days
25°/12°
Temperatures
14 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 25° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sofia during September?
Moderate rainfall is anticipated in Sofia during September, with a total of 58.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sofia during September?
The average wind speed in Sofia during September is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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
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