El Hierro weather in September
El Hierro in September: expect average daytime highs of 26.5°C, nights around 21.7°C, a sea temperature of 24.1°C and about 0.6 rainy days. That comes with around 215 hours of sunshine, making it one of Europe's sunniest winter escapes.
El Hierro climate averages in September
| Average high | 26.5 °C |
|---|---|
| Average low | 21.7 °C |
| Sea temperature | 24.1 °C |
| Rainy days | 0.6 |
| Sunshine hours | 215 |
El Hierro weather month by month
See today's live beach forecast for El Hierro · Warmest Canary Island in September · Sea temperature · Sunniest island right now
Frequently asked questions
Is El Hierro warm in September?
Yes. El Hierro in September has average daytime highs of <span class="num">26.5</span>°C and mild nights around <span class="num">21.7</span>°C, typical of the islands' subtropical climate.
Can you swim in the sea on El Hierro in September?
Yes. The sea around El Hierro averages <span class="num">24.1</span>°C in September, which is comfortable for swimming for most people.
Does it rain much on El Hierro in September?
Not much. El Hierro sees about <span class="num">0.6</span> rainy days on average in September, so most days stay dry and sunny.
What should I pack for El Hierro in September?
Light summer clothing for the daytime, a light layer for the evenings, plus sun cream and sunglasses — the UV stays high even in winter.
Car hire in El Hierro · Weather map
Data source: AEMET © Agencia Estatal de Meteorología · Climate averages from AEMET normals (1981–2010 / 1991–2020). Last reviewed 2026-06-12.