El Hierro vs Tenerife: weather compared

In September, El Hierro and Tenerife have a similar subtropical climate. Tenerife is about 1.6°C warmer.

September averages compared

Monthly climate normals from AEMET (1981-2010 / 1991-2020).
 El HierroTenerife
Average high26.5°28.1°
Average low21.7°21.7°
Sea temperature24.1°23.7°
Rainy days0.60.9
Sunshine hours215253

Right now, El Hierro has 0% of its beaches sunny versus 0% on Tenerife.

Month-by-month comparison

Monthly climate normals from AEMET (1981-2010 / 1991-2020).
  El Hierro Tenerife
  Average highSea temperature Average highSea temperature
Jan 20.9°20.5° 21.0°20.1°
Feb 20.8°19.8° 21.2°19.4°
Mar 21.4°19.6° 22.1°19.3°
Apr 21.6°20.1° 22.7°19.5°
May 22.6°20.9° 24.1°20.1°
Jun 24.0°21.9° 26.2°21.1°
Jul 25.0°22.6° 28.7°22.0°
Aug 26.1°23.4° 29.0°22.8°
Sep 26.5°24.1° 28.1°23.7°
Oct 25.6°24.0° 26.3°23.6°
Nov 23.7°22.9° 24.1°22.3°
Dec 22.2°21.6° 22.1°20.8°

Frequently asked questions

Which is warmer, El Hierro or Tenerife?

In September, Tenerife is about 1.6°C warmer than El Hierro (28.1°C vs 26.5°C average daytime high). Across the year the two islands stay within about 1.3°C, with Tenerife a little warmer overall.

Which island has fewer rainy days?

Both are dry, especially in summer. The southern and eastern islands tend to be the driest; the table above shows the rainy-day average for each month.

Data source: AEMET © Agencia Estatal de Meteorología · Climate averages from AEMET normals (1981–2010 / 1991–2020). Last reviewed 2026-06-12.