15.09
tue
tue
Day
70°F
W 4 mph
Precip.
10%
10%
Night
64°F
NW 0 mph
Precip.
13%
13%
16.09
wed
wed
Day
72°F
W 8 mph
Precip.
1%
1%
Night
64°F
W 4 mph
Precip.
4%
4%
17.09
thu
thu
Day
72°F
W 9 mph
Precip.
2%
2%
Night
64°F
W 3 mph
Precip.
6%
6%
18.09
fri
fri
Day
72°F
NW 7 mph
Precip.
2%
2%
Night
64°F
NW 4 mph
Precip.
5%
5%
19.09
sat
sat
Day
72°F
W 7 mph
Precip.
2%
2%
Night
64°F
SW 3 mph
Precip.
10%
10%
20.09
sun
sun
Day
75°F
W 7 mph
Precip.
6%
6%
Night
66°F
S 4 mph
Precip.
15%
15%
21.09
mon
mon
Day
79°F
W 4 mph
Precip.
2%
2%
Night
68°F
NE 4 mph
Precip.
3%
3%
sea water
temperature
temperature
| St Constantine and Helena |
monthly
weather
weather
| St Constantine and Helena |
current
weather
weather
| St Constantine and Helena |
14 days
forecast
forecast
| St Constantine and Helena |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 74.7°F. The highest and lowest sea temperatures during the month were 77.4°F and 69.8°F.
Air temperature in St Constantine and Helena, °F
Precipitation total in St Constantine and Helena, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St Constantine and Helena
St Constantine and Helena on a weather map
Places in Bulgaria:
Name
°F
24 Hours Forecast
St Constantine and Helena
Local time: 06:43
September 15, tuesday
0900
64°F
SE
3 mph
3 mph
1200
70°F
W
4 mph
4 mph
1500
68°F
NW
7 mph
7 mph
1800
68°F
NW
8 mph
8 mph
2100
66°F
NW
4 mph
4 mph
September 16, wednesday
0000
64°F
NW
0 mph
0 mph
0300
63°F
E
4 mph
4 mph
0600
61°F
SE
4 mph
4 mph
