Measurements:
°C
°F
St Constantine and Helena
72°F
W 9 mph
Feels like: 72°F
Precip: 11%
World Resorts Bulgaria St Constantine and Helena Weather

7 Day Weather Forecast

09.16
wed
DAY
74°F
W 8 mph
precip
2%
NIGHT
66°F
SW 3 mph
precip
4%
09.17
thu
DAY
74°F
W 8 mph
precip
2%
NIGHT
66°F
NW 1 mph
precip
6%
09.18
fri
DAY
74°F
NW 7 mph
precip
2%
NIGHT
66°F
N 6 mph
precip
5%
09.19
sat
DAY
76°F
NW 9 mph
precip
3%
NIGHT
68°F
W 3 mph
precip
20%
09.20
sun
DAY
76°F
W 7 mph
precip
11%
NIGHT
68°F
SW 2 mph
precip
22%
09.21
mon
DAY
80°F
E 6 mph
precip
11%
NIGHT
66°F
S 8 mph
precip
9%
09.22
tue
DAY
62°F
S 12 mph
precip
10%
NIGHT
60°F
NE 5 mph
precip
15%

St Constantine and Helena Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for St Constantine and Helena was 24.3°F. The maximum and minimum values were 23.4°F and 24.8°F respectively.

St Constantine and Helena on the Weather Map

Best Time to Visit St Constantine and Helena
The most sunny months:
August 27 days
July 25 days
September 22 days
The most warm months:
August 86.7 °F
July 86.0 °F
June 79.6 °F
Warmest sea temperature:
August 81.2 °F
July 79.7 °F
September 76.6 °F
The most cold months:
January 41.0 °F
February 43.9 °F
December 45.8 °F
The most rainy months:
June 4 days
May 4 days
January 3 days
The most windy months:
February 11 mph
January 11 mph
December 11 mph