The temperatures in Grad Sofiya 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 Grad Sofiya 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 Grad Sofiya in September 2025.
If you’re planning to visit Grad Sofiya in the near future, we highly recommend that you review the 14 day weather forecast for Grad Sofiya before you arrive.