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Korinthos weather in September

Weather in Korinthos: September

Average day temperature: 82.7°F
Average night temperature: 64.6°F
Sea water temperature: 77.8°F
Number of sunny days: 25 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 88°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during September were 80.1°F and 67.7°F.

Sea water temperature in Korinthos in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.6°F. The highest and lowest sea temperatures during the month were 79.2°F and 75.0°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 Korinthos in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.7 mph It makes September one of the most windy months of the year.

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: 9.9.

Best time for vacation in Korinthos

Sunniest months:
July 29 days
August 29 days
June 25 days
Warmest months:
July 91.1 °F
August 89.9 °F
June 85.3 °F
Warmest sea temp:
August 80.1 °F
July 79.1 °F
September 77.8 °F
Coldest months:
January 52.2 °F
December 55.0 °F
February 55.2 °F
Rainiest months:
February 3 days
December 3 days
January 3 days
Windiest months:
August 7.1 mph
July 6.2 mph
September 5.5 mph

Korinthos on a weather map

Korinthos
+55°F
SW 7 mph
Feels like: +52°F
Precip.: 100%
Places in Greece:
Name
°F
+59°F
+57°F
+61°F
+61°F
+55°F
+55°F
+63°F
+52°F
+66°F
+61°F
+59°F
+57°F
+54°F
+57°F
24 Hours Forecast
Korinthos
Local time: 07:29
December 05, friday
0900
55°F
SW
6 mph
1200
55°F
S
6 mph
1500
54°F
S
4 mph
1800
54°F
SE
4 mph
2100
54°F
E
5 mph
December 06, saturday
0000
52°F
E
6 mph
0300
52°F
E
4 mph
0600
50°F
SE
4 mph
Units of measurement: °C / °F