Kos in September
The weather in September
In September, Kos averages daytime highs of 25° and night-time lows of 21° — warm weather by day. Expect around 7 mm of precipitation spread over about 2 wet days, with average cloud cover near 4%.
Days are 1.6° cooler than in August on average, and October is cooler again by about 1.1°. The sea averages 24°, comfortably warm for swimming.
September scores 95/100 — excellent conditions for sightseeing — and ranks 3rd of the twelve months for Kos.
Around the middle of the month the sun rises at 06:53 and sets at 19:21 local time, giving 12 h 27 min of daylight. Days shorten by 67 minutes over the month.
Why 95/100?
How the score for September is builtBeach score this month: 95/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Kos this month
Turgutreis
Greece's best in September
Kos in September: quick answers
Is September a good time to visit Kos?
September scores 95/100 for Kos, which we rate as excellent. Average highs are 25°C with 2 wet days.
How warm is Kos in September?
Daytime highs average 25°C and night-time lows 21°C in September.
Does it rain a lot in Kos in September?
Kos receives about 7 mm of precipitation in September, falling on around 2 days.
Can you swim in Kos in September?
The sea averages 24°C in September, warm enough for most swimmers.