Guéthary Weather in September

Guéthary in September averages 23°C (73°F) during the day and 16°C (61°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Guéthary in September

On average, there are about 13 days with rain during this month, averaging 100 mm (3.9 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Guéthary in September

Expect highs of 23°C (73°F) in Guéthary in September, with nights dropping to around 16°C (61°F). This month falls in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Guéthary in September

The month enjoys around 193 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.