14-day forecast — Kos
Updated every hour
Wed · Today · 16 Sep
Cloudy
24°
22°
0.4 mm
Thu · Tomorrow · 17 Sep
Sunny
24°
20°
6%
Friday · 18 Sep
Sunny
24°
20°
5%
Saturday · 19 Sep
Sunny
25°
21°
6%
Sunday · 20 Sep
Cloudy
26°
21°
9%
Monday · 21 Sep
Cloudy
24°
22°
15%
Tuesday · 22 Sep
Sunny
25°
22°
6%
Wednesday · 23 Sep
Sunny
24°
22°
5%
Thursday · 24 Sep
Sunny
25°
21°
3%
Friday · 25 Sep
Sunny
22°
20°
3%
Saturday · 26 Sep
Cloudy
25°
20°
17%
Sunday · 27 Sep
Showers
25°
23°
7.1 mm
Monday · 28 Sep
Showers
25°
21°
3.5 mm
Tuesday · 29 Sep
Sunny
22°
20°
8%
About Kos
Flat, cycle-friendly and packed with beaches — Tigaki, Paradise and the hot springs of Therma.
CountryGreece
RegionDodecanese
ContinentEurope
Time zoneEurope/Athens (+03:00)
Latitude36.8930°
Longitude27.2880°
Air qualityFair (EAQI 37)
Climate in Kos in September
Averages over 8 years · best time to visitBest time to visit Kos: March–October. With perfect weather, September is a recommended month to visit.
| August | September | October | |
|---|---|---|---|
| Average temperature | ▼ 27°C | 25°C | ▼ 22°C |
| Highest temperature | ▼ 31°C | 28°C | ▼ 24°C |
| Lowest temperature | ▼ 25°C | 23°C | ▼ 19°C |
| Sea temperature | ▼ 27,1°C | 26,1°C | ▼ 24,0°C |
| Rainfall | ▲ 2 mm | 9 mm | ▲ 30 mm |
| Days with rain | ▲ 0 d | 2 d | ▲ 3 d |
| Humidity | ▲ 63% | 64% | → 64% |
| Sunshine hours per day | ▼ 12,9 h | 11,9 h | ▼ 10,1 h |
| Cloud cover | ▼ 5% | 4% | ▲ 10% |
| UV index (midday) | ▼ 10 | 8 | ▼ 6 |
| Day length | 13:32 | 12:25 | 11:14 |
| Our rating | Perfect | Perfect | Perfect |
Temperature day by day in September mean + moving average
Rainfall day by day in September mm
UV index day by day in September midday value, clear-sky
Climate averages calculated from the ERA5 archive (8 years; sea temperature from marine reanalysis). UV estimated from solar elevation.
Other destinations in Europe
Data source
Global weather models — international forecasts
The weather for Kos is based on global weather models (ECMWF, GFS) and national meteorological institutes around the world. Forecasts update every hour; current measurements every 15 minutes. For destinations with a larger time difference from the UK, local time is shown above.