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Kos Weather September

To help you choose the best time to travel, you can find climate data below on the weather in Kos in September.
![]() | average daily high | +30.3°C |
![]() | average daily low | +20.3°C |
![]() | sea temperature | +25°C |
![]() | daytime | 12.8 h |
![]() | sunny / overcast hours | 9.1 / 3.7 |
![]() | average monthly precipitation | 21 mm |
High season with the best weather conditions for the beach leisure in Kos are typically June, July, August, September.
Temperature in Kos
In September the average daily maximum in Kos is +30.3°C, and the minimum +20.3°C.
Best beach resorts in September:

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal

Marseille
France
Daylight hours
There are 12.8 hours of daylight in Kos in September. Out of these, on average 9.1 are sunny, which means there is quite a lot of sun.
Most Popular Destinations in the World
Sea temperature
The average monthly temperature in the Aegean Sea on the beaches of Kos in September is +25°C.
The water is warm enough for nearly everyone to bathe in.
Precipitation
The amount of precipitation in Kos in September is usually 21 mm, a negligible amount.