Kos in September: weather, sea & travel advice
Kos in September is especially suited to beach holidays, family holidays, city breaks and active holidays and hiking. Days are around 28 °C (warm), and the sea is about 25 °C. With about 2 rainy days it is very dry.
Kos · SeptemberPhoto: Stimoroll · CC BY-SA 4.0Climate facts
- Day
- 28 °C
- Night
- 22 °C
- Sea
- 25 °C
- Rainy days
- 2 rainy days
- Sun
- 7 h/day
- Humidity
- 63 %
Suitability by travel type
BeachExcellent98/100
City breakExcellent85/100
ActiveGood74/100
FamilyExcellent96/100
In favour
- Pleasant daytime temperatures around 28 °C
- Little rain (about 2 rainy days)
- Warm, swimmable sea (25 °C)
To consider
- No significant drawbacks.
All months at a glance
14J
15F
17M
20A
24M
28J
32J
32A
28S
24O
20N
16D
9J
7F
5M
3A
2M
0J
0J
0A
2S
5O
7N
10D
Similar destinations in September
Frequently asked questions
How warm is Kos in September?
Daytime highs average around 28 °C, with nights around 22 °C.
Can you swim in Kos in September?
The sea is about 25 °C (warm).
Does it rain a lot in Kos in September?
On the long-term average, expect about 2 rainy days.
When is the best time to visit Kos?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.