Is September a good month to visit Ibiza?

Yes, with caveats. Comfortable temperatures, smaller crowds than peak summer. Sea around 27°C — locals stay in for hours.

Can you swim in Ibiza in September?

Sea temperature averages 26.6°C — most visitors swim comfortably. Sea around 27°C — locals stay in for hours.

What's the average rainfall in Ibiza in September?

About 28 mm on the 1991-2020 baseline — dry.

Is September crowded in Ibiza?

Manageable — September is shoulder season in Ibiza. Most venues open without the high-summer queues. Sweet spot for many travellers.

Ibiza · September 2026

Ibiza weather in September 2026

Comfortable summer-shoulder weather — Ibiza averages a 27.8°C high in September. Largely dry. Sea 26.6°C — bath-warm.

Avg high

27.8°C

Avg low

21.4°C

Rainfall

28.2 mm

Moderate

Sun

0 h/day

Sea temp

26.6°C

Bath-warm

What to wear

Daytime is t-shirt-and-shorts; evenings warrant a jumper or a light jacket near the water. Sun-block on the strong end of the spectrum — UV is still high under haze.

What’s open in September

Year-round spots plus seasonal venues whose own season covers September. Tap through for the editorial detail page.

Common questions

Is September a good month to visit Ibiza?: Yes, with caveats. Comfortable temperatures, smaller crowds than peak summer. Sea around 27°C — locals stay in for hours.
Can you swim in Ibiza in September?: Sea temperature averages 26.6°C — most visitors swim comfortably. Sea around 27°C — locals stay in for hours.
What's the average rainfall in Ibiza in September?: About 28 mm on the 1991-2020 baseline — dry.
Is September crowded in Ibiza?: Manageable — September is shoulder season in Ibiza. Most venues open without the high-summer queues. Sweet spot for many travellers.