Fethiye weather in September.
The Goldilocks window — warm sea, long days, no peak madness.
High
31°C
88°F
Low
18°C
64°F
Sea
26°C
Swimmable
Rain
14mm
Monthly total
Sun
10h/day
Daily average
Other months in Fethiye
FAQ
Honest answers about September.
Is Fethiye good in September?+
The Goldilocks window — warm sea, long days, no peak madness. Average daytime highs are 31°C with overnight lows around 18°C, and sea temperature is approximately 26°C.
What should I pack for Fethiye in September?+
Light layers, swimwear, sunhat, and SPF 30+. Evenings stay warm at 18°C so a light cardigan is enough.
Can I swim in the sea at Fethiye in September?+
Yes — sea temperature averages 26°C, which is comfortably swimmable for most UK travellers.
How busy is Fethiye in September?+
Crowd level: high. Lively but manageable. Book popular restaurants 1–2 days ahead.
What does a trip to Fethiye in September cost?+
Pricing tier: high. Villas, hotels, and flights move with crowd levels. Expect peak-season pricing — book 4–6 months ahead for value.
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