Barcelona Weather in September
25.6°C high · 16.8°C low · 79 mm rain · 7h sun
Sep is a warm month in Barcelona — not peak season, but a good time to avoid crowds.
September at a glance
| Metric | Value |
|---|---|
| Average high | 25.6°C |
| Average low | 16.8°C |
| Rainfall | 79 mm |
| Sunshine | 7 hours/day |
| Daylight | 12.3 hours |
What to pack in September
Pack comfortable clothes with a light layer for evenings for Barcelona in September.
Barcelona weather by month
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Frequently asked questions
What is the weather in Barcelona in September?
Highs of 25.6°C and lows of 16.8°C, with about 79 mm of rain and 7 hours of sunshine per day.
Is September a good time to visit Barcelona?
Sep is a warm month in Barcelona — not peak season, but a good time to avoid crowds.
What to do in Barcelona · Best time to visit Barcelona
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.