Swimming in Bulgaria in september 2025 Sea temperature by city in september
Do you want to go to the beach in Bulgaria in september 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Bulgaria by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Bulgaria in september 2025
Here, find the average sea temperature in Bulgaria in september in several coastal cities.
74°F
min: 70°F / max: 77°F
74°F
min: 70°F / max: 77°F
74°F
min: 69°F / max: 77°F
Albena
73°F
min: 70°F / max: 77°F
Baltchik
73°F
min: 69°F / max: 77°F
Byala
74°F
min: 70°F / max: 78°F
Chabla
73°F
min: 69°F / max: 77°F
Kavarna
74°F
min: 69°F / max: 77°F
74°F
min: 70°F / max: 78°F
74°F
min: 70°F / max: 77°F
Pomorie
73°F
min: 70°F / max: 78°F
Shkorpilovtsi
74°F
min: 70°F / max: 77°F
74°F
min: 70°F / max: 77°F
Tsarevo
74°F
min: 70°F / max: 77°F
Where should you go swimming in Bulgaria in the month of september?
Swimming in Bulgaria in september is pleasant
In september in Bulgaria swimming conditions are generally the same everywhere.
As for Burgas, Slantchev Briag (Sunny Beach), Varna, Albena, Baltchik, Byala, Chabla, Kavarna, Nessebar, Obzor, Pomorie, Shkorpilovtsi, Sozopol and Tsarevo, swimming is pleasant in september. The sea water is 74°F on average (min: 70°F/max: 77°F) so you can easily spend time in the water.
Where to go swimming in Bulgaria in september: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in september
Burgas
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 68°F | ||
| Precipitation | 1.8in | ||
| Number of days of precipitation | 2 jour(s) (7%) | ||
| Cloud cover | 24% | ||
| Our opinion | pleasant swimming |
More information on swimming in Burgas in september
Slantchev Briag (Sunny Beach)
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 68°F | ||
| Precipitation | 2.4in | ||
| Number of days of precipitation | 3 jour(s) (10%) | ||
| Cloud cover | 22% | ||
| Our opinion | pleasant swimming |
More information on swimming in Slantchev Briag (Sunny Beach) in september
Varna
| September | |||
| Average sea temperature | 74°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 68°F | ||
| Precipitation | 1.9in | ||
| Number of days of precipitation | 3 jour(s) (8%) | ||
| Cloud cover | 22% | ||
| Our opinion | pleasant swimming |
More information on swimming in Varna in september
Albena
| September | |||
| Average sea temperature | 73°F | ||
| Minimum sea temperature | 70°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 68°F | ||
| Precipitation | 1.9in | ||
| Number of days of precipitation | 3 jour(s) (8%) | ||
| Cloud cover | 22% | ||
| Our opinion | pleasant swimming |
Baltchik
| September | |||
| Average sea temperature | 73°F | ||
| Minimum sea temperature | 69°F | ||
| Maximum sea temperature | 77°F | ||
| Average outside temperature | 72°F | ||
| Maximum outside temperature | 74°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 1.7in | ||
| Number of days of precipitation | 2 jour(s) (8%) | ||
| Cloud cover | 22% | ||
| Our opinion | pleasant swimming |
List of coastal cities in Bulgaria
| Burgas in september | pleasant swimming |
| Slantchev Briag (Sunny Beach) in september | pleasant swimming |
| Varna in september | pleasant swimming |
| Albena in september | pleasant swimming |
| Baltchik in september | pleasant swimming |
| Byala in september | pleasant swimming |
| Chabla in september | pleasant swimming |
| Kavarna in september | pleasant swimming |
| Nessebar in september | pleasant swimming |
| Obzor in september | pleasant swimming |
| Pomorie in september | pleasant swimming |
| Shkorpilovtsi in september | pleasant swimming |
| Sozopol in september | pleasant swimming |
| Tsarevo in september | pleasant swimming |