Where is the sea coldest in Bulgaria in September?

Sunny Beach in Bulgaria has the coldest sea in Bulgaria in September, averaging about 23.0 °C. Golden Sands (23.0 °C) and Sozopol are the next coolest.

How many beaches in Bulgaria are warm enough to swim in September?

25 of the top 25 ranked beaches in Bulgaria average 22 °C or more in September, which most swimmers find comfortable without a wetsuit.

How are these September sea temperatures calculated?

Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

Seasonal ranking

Coldest sea temperature in Bulgaria in September

Where the sea is coolest across Bulgaria during September, ranked by long-term monthly average water temperature. Sunny Beach (Bulgarian Coast, Bulgaria) is the coolest at around 23°C. Open any spot for today's live water temperature and a 7-day swim forecast.

1
Sunny Beach
Bulgarian Coast · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
2
Golden Sands
Bulgarian Coast · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
3
Sozopol
Bulgarian Coast · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
4
Albena
Bulgarian Coast · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
5
Pomorie Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
6
Dyuni Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
7
Arkutino Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
8
Primorsko South
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
9
Kiten Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
10
Lozenets Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
11
Tsarevo Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
12
Sinemorets Veleka
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
13
Ahtopol Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
14
Burgas Central Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
15
Chernomorets Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
16
Ravda Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
17
Sveti Vlas Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
18
Elenite Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
19
Obzor Beach
Burgas · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
20
Byala Beach
Varna · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
21
Shkorpilovtsi Beach
Varna · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
22
Kamchia Beach
Varna · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
23
Riviera Beach
Varna · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
24
Sunny Day Beach
Varna · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average
25
Kranevo Beach
Dobrich · Bulgaria · Black Sea
Pleasant — swimmable without a wetsuit
23°C
September average

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Bulgaria in September — frequently asked questions

Where is the sea coldest in Bulgaria in September?: Sunny Beach in Bulgaria has the coldest sea in Bulgaria in September, averaging about 23.0 °C. Golden Sands (23.0 °C) and Sozopol are the next coolest.
How many beaches in Bulgaria are warm enough to swim in September?: 25 of the top 25 ranked beaches in Bulgaria average 22 °C or more in September, which most swimmers find comfortable without a wetsuit.
How are these September sea temperatures calculated?: Each figure is a long-term monthly average sea surface temperature for that location, so it reflects a typical September rather than today's reading. Open a beach page for the live water temperature and 7-day forecast.

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