Basel Weather in September
20.8°C high · 10.4°C low · 63 mm rain · 5.9h sun
Yes — Sep is one of the best months to visit Basel, with mild weather and 5.9h of daily sunshine.
September at a glance
| Metric | Value |
|---|---|
| Average high | 20.8°C |
| Average low | 10.4°C |
| Rainfall | 63 mm |
| Sunshine | 5.9 hours/day |
| Daylight | 12.3 hours |
What to pack in September
Pack a jacket and layers for Basel in September.
Basel weather by month
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Frequently asked questions
What is the weather in Basel in September?
Highs of 20.8°C and lows of 10.4°C, with about 63 mm of rain and 5.9 hours of sunshine per day.
Is September a good time to visit Basel?
Yes — Sep is one of the best months to visit Basel, with mild weather and 5.9h of daily sunshine.
What to do in Basel · Best time to visit Basel
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.