Tenerife September 2026 Weather Forecast Shows Warm Temperatures and Low Rainfall

The September 2026 climate outlook for Tenerife indicates average daytime temperatures between 18 °C and 21.7 °C. Regional differences are noted: Santa Cruz de Tenerife in the northeast is expected to see highs of 20.4 °C to 23 °C, while Puerto de la Cruz in the north records lows of 14.9 °C and highs of 22 °C. In the southern resort town of Adeje, temperatures are projected between 19.4 °C and 24.4 °C.

Rainfall is expected to remain low across the island, with about 12 mm in Puerto de la Cruz (around two rain days) and roughly 10 mm in Adeje (about four rain days). Sunny conditions dominate, averaging nine hours of sunshine per day. Sea temperatures stay comfortable for swimming, supporting continued beach tourism throughout the month.