Santiago de Compostela Weather in September
21.5°C high · 12.8°C low · 109 mm rain · 6.7h sun
Yes — Sep is one of the best months to visit Santiago de Compostela, with mild weather and 6.7h of daily sunshine.
September at a glance
| Metric | Value |
|---|---|
| Average high | 21.5°C |
| Average low | 12.8°C |
| Rainfall | 109 mm |
| Sunshine | 6.7 hours/day |
| Daylight | 12.3 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings, plus a raincoat and umbrella for Santiago de Compostela in September.
Santiago de Compostela weather by month
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Frequently asked questions
What is the weather in Santiago de Compostela in September?
Highs of 21.5°C and lows of 12.8°C, with about 109 mm of rain and 6.7 hours of sunshine per day.
Is September a good time to visit Santiago de Compostela?
Yes — Sep is one of the best months to visit Santiago de Compostela, with mild weather and 6.7h of daily sunshine.
What to do in Santiago de Compostela · Best time to visit Santiago de Compostela
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.