Climate guide for Lesbos, Greece

Lesbos in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · Greece

Best time to visit Lesbos in September Weather, crowds & prices

Weather in Lesbos in September

Average temperature 24°C, 14 mm of rain, about 29 days with 6+ hours of sunshine and 58% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

10.0/10

Ranked #4 of 12 months

Full year for Lesbos
Avg temp
24°C
Rainfall
14 mm
Humidity
58%
Days with 6h+ sun
29
Crowd Density
Moderate Crowds
Average Expenses
$$$ · Peak Season Rates ($$$)

September in Lesbos scores 10.0/10 for beach and coastal travel - an above-average month (#4 of 12). Expect around 24°C, 14 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.

Lesbos is a large Aegean island of olive groves, ouzo distilleries and a petrified forest near Sigri.

September ranks 4th of 12 for Lesbos — one of the best windows

September averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 14 mm for the month, with about 29 days with 6+ hours of sunshine and 12.4 hours of daylight to work with.

A 10/10 puts this among the year's best months in Lesbos (4th of 12); only June scores higher, at 10/10.

Pack light clothing, swimwear and real sun protection.

Figure on peak pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Lesbos in September?
In September, Lesbos averages 24°C, 14 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 10.0/10.
Is September a good time to visit Lesbos?
September earns a 10.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Lesbos in September?
Expect about 14 mm of rain in September. Average humidity is 58% and there are about 29 days with 6+ hours of sunshine.

Curated in Lesbos

Tickets & experiences

Things to do in Lesbos

Lesbos, Greece. Live activities and tours from GetYourGuide, matched to this destination.