Psalidi weather in September 2026

Q: How hot is it in Psalidi in September?

Daytime temperatures usually reach 28°C in Psalidi in September with moderate heat and humidity, falling to 19°C at night.

Q: How sunny is it in Psalidi in September?

There are normally 11 hours of bright sunshine each day in Psalidi in September - that's 90% of daylight hours.

Q: How warm is the sea around Psalidi in September?

The average sea temperature around Psalidi in September is 24°C.

Q: Does it rain in Psalidi in September?

There are usually 5 days with some rain in Psalidi in September and the average monthly rainfall is 17mm.

Expect daytime maximum temperatures of 84°F in Psalidi, Kos in September based on long-term weather averages. There are 11 hours of sunshine per day on average.

84
84°F max day temperature
11
11 hours of sunshine per day
5
5 days with some rainfall
66
66°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
0.7
0.7 inches of monthly rainfall
7
7 (High) UV index
75
75°F sea temperature

More about Psalidi

Psalidi by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Kos

Mercury Holidays: £50pp off 2026 holidays

Discount Code

Save £50 per person on holidays for 7 nights or more
Book beach holidays, short-haul getaways & more
Discount available for adults only. T&Cs apply

Show discount code

******H50

Redeem Mercury Holidays discount code >>

Expires at 23:59 on Monday 2nd Feb 2026 · View all Mercury Holidays offers

The September weather guide for Kos (Psalidi) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)