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Weather in Sofia for September 2025

Your guide to Sofia weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Sofia has been nearly identical to the historical average, with a temperature of 22.6 °C (showing only a slight deviation of 0.5 °C).

  • Expect cooler weather in the next days in Sofia with the forecast suggesting a temperature of 18.9 °C, lower than the historical average.

  • 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 14.9 °C by the end of September.

    • Rain 🌧️

  • Sofia experiences moderate rainfall in September, with an average of 10 rainy days and a total precipitation of 63.7 mm.

    • More

  • Is September a good time to visit Sofia? check out the best time to travel to Sofia page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/10°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Sofia Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
22°
2
Patchy rain possible
24°
3
Patchy rain possible
25°
4
Patchy rain possible
24°
5
Patchy rain possible
24°
6
Moderate rain at times
23°
7
Patchy light rain with thunder
21°
8
Patchy rain possible
23°
9
Patchy rain possible
23°
10
Light rain shower
20°
11
Light rain shower
18°
12
Partly cloudy
21°
13
Patchy rain possible
21°
14
Patchy rain possible
20°
15
Light rain shower
17°
16
Sunny
25°
17
Patchy rain possible
16°
18
Sunny
17°
19
Sunny
19°
20
Sunny
20°
21
Sunny
22°
22
Sunny
24°
23
Sunny
26°
24
Sunny
26°
25
Sunny
23°
26
Patchy rain possible
16°
27
Patchy rain possible
14°
28
Patchy rain possible
10°
29
Patchy rain possible
6°
30
Patchy rain possible
9°

Temperatures trend during September in Sofia

See the weather trend as well as the moving average line

September weather in Sofia day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 22° /11° 0 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 24° /12° 0.1 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 25° /14° 0 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
 24° /15° 0.1 mm 5
5 Sept. Patchy rain possible
Patchy rain possible
 24° /13° 0 mm 6
6 Sept. Moderate rain at times
Moderate rain at times
 23° /13° 4.8 mm 6
7 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 21° /11° 4.4 mm 6
8 Sept. Patchy rain possible
Patchy rain possible
 23° /11° 0 mm 6
9 Sept. Patchy rain possible
Patchy rain possible
 23° /12° 0.3 mm 5
10 Sept. Light rain shower
Light rain shower
 20° /12° 5.1 mm 6
11 Sept. Light rain shower
Light rain shower
 18° /11° 4.9 mm 4
12 Sept. Partly cloudy
Partly cloudy
 21° /11° 6.6 mm 5
13 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 0.3 mm 5
14 Sept. Patchy rain possible
Patchy rain possible
 20° /9° 0.8 mm 5
15 Sept. Light rain shower
Light rain shower
 17° /8° 2.4 mm 4
16 Sept. Sunny
Sunny
 25° /12° 0 mm 1.6
17 Sept. Patchy rain possible
Patchy rain possible
 16° /7° 0.5 mm 0.8
18 Sept. Sunny
Sunny
 17° /5° 0 mm 1.6
19 Sept. Sunny
Sunny
 19° /7° 0 mm 1.5
20 Sept. Sunny
Sunny
 20° /9° 0 mm 1.9
21 Sept. Sunny
Sunny
 22° /10° 0 mm 4
22 Sept. Sunny
Sunny
 24° /12° 0 mm 5
23 Sept. Sunny
Sunny
 26° /14° 0 mm 5
24 Sept. Sunny
Sunny
 26° /14° 0 mm 5
25 Sept. Sunny
Sunny
 23° /14° 0.1 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 16° /10° 3.6 mm 3
27 Sept. Patchy rain possible
Patchy rain possible
 14° /9° 2.9 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 10° /7° 1.2 mm 2
29 Sept. Patchy rain possible
Patchy rain possible
 6° /6° 2.8 mm 2
30 Sept. Patchy rain possible
Patchy rain possible
 9° /3° 2.3 mm 2
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
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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.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Sunny
Sunny
Temperatures26°/15°19°/10°16°/6°
Rainfall77 mm64 mm27 mm
Wind11.5 km/h9.4 km/h9.5 km/h
Humidity51%65%57%
Rainy days9 days10 days3 days
Dry days22 days20 days28 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 63.7 mm spread over approximately 10 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 9 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
    • 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

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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Get accurate weather forecasts for Sofia, located at latitude 42.267 and longitude 23.6. Stay updated with localized weather information tailored for Sofia.

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