Sofia (Borovets)
September
Weather in Sofia for September 2027
Your guide to Sofia weather in September - trends and predictions
In general, the average temperature in Sofia at the beginning of September is 23.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of September.
Sofia experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 51.9 mm.
Is September a good time to visit Sofia? check out the best time to travel to Sofia page.
✨ Is September a good time to visit Sofia? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
21
Dry days
9
Rainy days
0
Snow days
19°/10°
Temperatures
11 km/h
Avg max wind
61 %
Avg humidity
Sofia Weather September
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What’s the Weather Like in Sofia This September?
Discover the average temperatures and weather trends across Sofia’s cities this September.
Temperatures trend during September in Sofia
See the weather trend as well as the moving average line
September weather in Sofia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Partly cloudy | 22° /13° | 0.2 mm | 6 | |
| 2 Sept. |  Patchy rain possible | 24° /13° | 0.4 mm | 6 | |
| 3 Sept. | Patchy rain possible | 24° /14° | 0.9 mm | 5 | |
| 4 Sept. | Patchy rain possible | 23° /14° | 0.1 mm | 5 | |
| 5 Sept. |  Sunny | 25° /13° | 0 mm | 6 | |
| 6 Sept. |  Light rain | 23° /13° | 3.2 mm | 6 | |
| 7 Sept. | Light rain | 21° /11° | 3 mm | 6 | |
| 8 Sept. | Sunny | 22° /11° | 0 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /12° | 0.2 mm | 6 | |
| 10 Sept. | Light rain | 22° /13° | 3.6 mm | 5 | |
| 11 Sept. | Light rain | 20° /12° | 3.5 mm | 5 | |
| 12 Sept. | Light rain | 21° /11° | 9.4 mm | 5 | |
| 13 Sept. | Patchy rain possible | 19° /10° | 0.8 mm | 5 | |
| 14 Sept. | Patchy rain possible | 19° /8° | 0.5 mm | 5 | |
| 15 Sept. | Light rain shower | 16° /8° | 1.6 mm | 3 | |
| 16 Sept. | Patchy rain possible | 18° /9° | 0.2 mm | 5 | |
| 17 Sept. | Patchy rain possible | 16° /7° | 0.6 mm | 5 | |
| 18 Sept. | Light rain | 15° /8° | 2.4 mm | 5 | |
| 19 Sept. | Light rain shower | 17° /9° | 2 mm | 5 | |
| 20 Sept. | Light rain shower | 18° /10° | 1.5 mm | 5 | |
| 21 Sept. | Patchy rain possible | 19° /9° | 1.4 mm | 4 | |
| 22 Sept. | Sunny | 17° /7° | 0.8 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /7° | 0.7 mm | 4 | |
| 24 Sept. | Partly cloudy | 19° /8° | 0 mm | 5.7 | |
| 25 Sept. | Patchy rain possible | 18° /9° | 0.6 mm | 3 | |
| 26 Sept. | Light rain | 15° /8° | 3.1 mm | 3 | |
| 27 Sept. | Light rain | 16° /8° | 3.1 mm | 4 | |
| 28 Sept. | Light rain | 15° /8° | 4.2 mm | 4 | |
| 29 Sept. | Light rain | 13° /5° | 3.1 mm | 3 | |
| 30 Sept. | Patchy rain possible | 12° /4° | 0.8 mm | 3 | |
| Next | |||||
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.
Change Month
Sofia weather in September vs August vs October
Compare September weather in Sofia with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Sunny |
| Temperatures | 25°/14° | 19°/10° | 13°/5° |
| Rainfall | 53 mm | 52 mm | 103 mm |
| Snowfall | 0 cm | 0 cm | 11 cm |
| Wind | 12 km/h | 10.8 km/h | 9.7 km/h |
| Humidity | 51% | 61% | 66% |
| Rainy days | 8 days | 9 days | 6 days |
| Snow days | 0 days | 0 days | 1 days |
| Dry days | 23 days | 21 days | 24 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?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. 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 51.9 mm spread over approximately 9 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 11 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 💧
Typically, Sofia has 9 rainy days in September with a total of 51.9 mm of rainfall.
UV exposure in Sofia during September
Stay informed about UV levels for safe outdoor activities throughout the month of 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.
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