17.09
thu
thu
Day

66°F
SW 6 mph
Precip.
20%
20%
Night

61°F
NW 1 mph
Precip.
50%
50%
18.09
fri
fri
Day

63°F
S 3 mph
Precip.
55%
55%
Night

61°F
W 2 mph
Precip.
14%
14%
19.09
sat
sat
Day

70°F
SW 7 mph
Precip.
13%
13%
Night

63°F
W 2 mph
Precip.
14%
14%
20.09
sun
sun
Day

73°F
SW 9 mph
Precip.
2%
2%
Night

63°F
W 2 mph
Precip.
12%
12%
21.09
mon
mon
Day

77°F
S 4 mph
Precip.
1%
1%
Night

68°F
N 2 mph
Precip.
2%
2%
22.09
tue
tue
Day

68°F
SE 11 mph
Precip.
26%
26%
Night

57°F
SE 5 mph
Precip.
68%
68%
23.09
wed
wed
Day

59°F
E 6 mph
Precip.
36%
36%
Night

55°F
NE 4 mph
Precip.
19%
19%
24.09
thu
thu
Day

64°F
S 4 mph
Precip.
2%
2%
Night

55°F
NW 2 mph
Precip.
10%
10%
25.09
fri
fri
Day

68°F
SW 7 mph
Precip.
2%
2%
Night

57°F
NW 2 mph
Precip.
27%
27%
26.09
sat
sat
Day

64°F
SW 5 mph
Precip.
4%
4%
Night

64°F
E 4 mph
Precip.
17%
17%
27.09
sun
sun
Day

68°F
SE 7 mph
Precip.
22%
22%
Night

59°F
SW 7 mph
Precip.
54%
54%
28.09
mon
mon
Day

63°F
SW 8 mph
Precip.
27%
27%
Night

61°F
W 1 mph
Precip.
19%
19%
29.09
tue
tue
Day

72°F
S 4 mph
Precip.
14%
14%
Night

64°F
W 2 mph
Precip.
14%
14%
30.09
wed
wed
Day

64°F
NW 2 mph
Precip.
71%
71%
Night

68°F
NW 5 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 73.9°F. The highest and lowest sea temperatures during the month were 75.7°F and 72.5°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 69.6°F and 62.6°F.
Air temperature in Izmit, °F
Precipitation total in Izmit, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Izmit
Izmit on a weather map
Places in Turkey:
Name
°F
24 Hours Forecast
Izmit
Local time: 08:36
September 17, thursday
0900

59°F
S
1 mph
1 mph
1200

66°F
SW
6 mph
6 mph
1500

68°F
SW
7 mph
7 mph
1800

66°F
SW
7 mph
7 mph
2100

61°F
SW
2 mph
2 mph
September 18, friday
0000

61°F
NW
1 mph
1 mph
0300

63°F
SE
2 mph
2 mph
0600

63°F
S
1 mph
1 mph


























