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%
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: 09:19
September 17, thursday
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
0900
64°F
S
2 mph
2 mph
