Bulgaria in September: where is it warmest?
In September, Nessebar (Sunny Beach) is the warmest place with 23 °C by day, Varna the coolest with 23 °C. 2 of 2 destinations have good holiday weather.
All destinations in September, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Nessebar (Sunny Beach) | 80 | 23° | 23° | 8 h | 7 |
| Varna | 75 | 23° | 23° | 8 h | 6 |
Bulgaria in September: quick answers
Bulgaria in September: where is it warmest?
The warmest places in September are Nessebar (Sunny Beach) (23 °C) and Varna (23 °C).
Bulgaria in September: where is the sea warmest?
The sea is warmest at Nessebar (Sunny Beach) (23 °C) and Varna (23 °C).
Bulgaria in September: where is the weather best?
The best holiday weather in September – warm, sunny and dry – is in Nessebar (Sunny Beach) and Varna.
Bulgaria month by month
Bulgaria: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)