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Mykonos weather in September

Weather in Mykonos: September

Average day temperature: 76.4°F
Average night temperature: 73.3°F
Sea water temperature: 75.4°F
Number of sunny days: 27 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.3 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 79°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during September were 72.0°F and 71.6°F.

Sea water temperature in Mykonos in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 75.3°F. The highest and lowest sea temperatures during the month were 76.8°F and 72.7°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 Mykonos in September is 0.2 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 18.0 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: 10.9.

Best time for vacation in Mykonos

Sunniest months:
July 31 days
August 30 days
June 29 days
Warmest months:
August 80.9 °F
July 80.5 °F
September 76.4 °F
Warmest sea temp:
August 76.7 °F
July 75.4 °F
September 75.4 °F
Coldest months:
January 55.6 °F
February 56.1 °F
March 57.7 °F
Rainiest months:
January 5 days
December 4 days
February 3 days
Windiest months:
January 18.5 mph
August 18.2 mph
July 18.1 mph

Mykonos on a weather map

Mykonos
+68°F
NE 4 mph
Feels like: +68°F
Precip.: 8%
Places in Greece:
Name
°F
+64°F
+52°F
+66°F
+72°F
+66°F
+68°F
+64°F
+64°F
+68°F
+63°F
+68°F
+68°F
+63°F
+55°F
24 Hours Forecast
Mykonos
Local time: 05:36
October 10, saturday
0600
68°F
NE
4 mph
0900
68°F
N
2 mph
1200
70°F
N
6 mph
1500
72°F
N
6 mph
1800
70°F
N
6 mph
2100
70°F
N
5 mph
October 11, sunday
0000
68°F
N
6 mph
0300
68°F
NE
8 mph
Units of measurement: °C / °F