17.09
thu
thu
Day
84°F
SE 7 mph
Precip.
1%
1%
Night
77°F
SE 4 mph
Precip.
4%
4%
18.09
fri
fri
Day
79°F
NE 16 mph
Precip.
36%
36%
Night
75°F
N 4 mph
Precip.
15%
15%
19.09
sat
sat
Day
77°F
E 8 mph
Precip.
21%
21%
Night
75°F
E 3 mph
Precip.
11%
11%
20.09
sun
sun
Day
77°F
SE 6 mph
Precip.
14%
14%
Night
75°F
SE 2 mph
Precip.
20%
20%
21.09
mon
mon
Day
79°F
E 7 mph
Precip.
4%
4%
Night
73°F
E 2 mph
Precip.
8%
8%
22.09
tue
tue
Day
77°F
E 7 mph
Precip.
4%
4%
Night
73°F
NE 8 mph
Precip.
7%
7%
23.09
wed
wed
Day
77°F
NE 11 mph
Precip.
16%
16%
Night
73°F
N 4 mph
Precip.
6%
6%
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 85.4°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.7°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 80.0°F. The highest and lowest sea temperatures during the month were 82.4°F and 78.3°F.
Air temperature in Byblos, °F
Precipitation total in Byblos, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Byblos
Byblos on a weather map
Places in Lebanon:
Name
°F
24 Hours Forecast
Byblos
Local time: 08:06
September 17, thursday
0900
81°F
S
4 mph
4 mph
1200
84°F
SE
7 mph
7 mph
1500
84°F
SE
7 mph
7 mph
1800
82°F
SE
6 mph
6 mph
2100
79°F
S
2 mph
2 mph
September 18, friday
0000
77°F
SE
4 mph
4 mph
0300
77°F
S
4 mph
4 mph
0600
77°F
N
3 mph
3 mph
