The temperatures in Bulgaria in September are comfortable with low of 11°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Bulgaria during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Bulgaria in September 2025.
If you’re planning to visit Bulgaria in the near future, we highly recommend that you review the 14 day weather forecast for Bulgaria before you arrive.
Temperatures
24° / 11°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
45
mm
Sun Hours
11.5
Hrs
