Mitilini weather in September 2026

Q: How hot is it in Mitilini in September?

Daytime temperatures usually reach 27°C in Mitilini in September with low heat and humidity, falling to 17°C at night.

Q: How sunny is it in Mitilini in September?

There are normally 11 hours of bright sunshine each day in Mitilini in September - that's 85% of daylight hours.

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

The average sea temperature around Mitilini in September is 22°C.

Q: Does it rain in Mitilini in September?

There are usually 5 days with some rain in Mitilini in September and the average monthly rainfall is 13mm.

Expect daytime maximum temperatures of 81°F in Mitilini, Lesbos in September based on long-term weather averages. There are 11 hours of sunshine per day on average.

81
81°F max day temperature
11
11 hours of sunshine per day
5
5 days with some rainfall
63
63°F min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
0.5
0.5 inches of monthly rainfall
6
6 (High) UV index
72
72°F sea temperature

More about Mitilini

Mitilini by month

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

Recommended for Lesbos

Jet2holidays: £75pp off 2026 holidays

Discount Code

Save £75 per person on holidays (£150 per couple)
Depart before end of October. Book summer breaks now
Travel before 31st October 2026 (inclusive)

Show discount code

******E75

Redeem Jet2holidays discount code >>

Expires at 23:59 on Tuesday 31st Mar 2026 · View all Jet2holidays offers

The September weather guide for Lesbos (Mitilini) 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)