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Ayvalik weather in September

Weather in Ayvalik: September

Average day temperature: 79.7°F
Average night temperature: 69.4°F
Sea water temperature: 73.0°F
Number of sunny days: 25 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 87°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during September were 77.4°F and 68.3°F.

Sea water temperature in Ayvalik in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 71.6°F. The highest and lowest sea temperatures during the month were 75.0°F and 68.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Ayvalik in September is 0.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 10.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.6.

Best time for vacation in Ayvalik

Sunniest months:
July 31 days
August 30 days
June 26 days
Warmest months:
July 86.5 °F
August 85.9 °F
June 80.6 °F
Warmest sea temp:
August 75.3 °F
July 74.9 °F
September 73.0 °F
Coldest months:
January 53.4 °F
February 53.5 °F
March 56.7 °F
Rainiest months:
January 4 days
December 4 days
February 3 days
Windiest months:
January 12.3 mph
February 11.5 mph
July 11.3 mph

Ayvalik on a weather map

Ayvalik
+61°F
S 9 mph
Feels like: +61°F
Precip.: 6%
Places in Turkey:
Name
°F
+70°F
+70°F
+61°F
+68°F
+57°F
+66°F
+54°F
+57°F
+59°F
+66°F
+70°F
+70°F
+64°F
+61°F
+70°F
24 Hours Forecast
Ayvalik
Local time: 06:04
October 05, monday
0900
63°F
S
10 mph
1200
68°F
S
11 mph
1500
73°F
S
11 mph
1800
72°F
S
16 mph
2100
66°F
S
12 mph
October 06, tuesday
0000
63°F
S
11 mph
0300
61°F
S
9 mph
0600
61°F
S
9 mph
Units of measurement: °C / °F