Weather in Lissabon in September
Climate normals based on 10 years of historical data for Lissabon, Portugal.
Average high
26°C
Average low
18°C
Rainfall
36 mm
4 rainy days
Sunshine
6.8h/day
Luftfeuchtigkeit
67%
Sea temperature
18.4°C
How Hot Is Lissabon in September?
Warm days linger in Lissabon: 26°C highs, 18°C lows, averaging 21°C.
Sunshine Hours in September
Pleasant bright weather defines September in Lissabon: 6.8h of sun a day.
Does It Rain In Lissabon In September?
Brief rain events are typical: Lissabon sees 36mm across 4 days in September.
Is Lissabon Humid In September?
Expect a humid September in Lissabon: 67% on average, with little overnight relief.
How Warm Is The Sea In Lissabon In September?
Water temperatures around 18.4°C make September early-season swimming possible in Lissabon.
Wind In Lissabon In September
Expect a breezy September in Lissabon — winds average 21 kph.
Cloud Cover In Lissabon In September
Expect a mix of sunny and cloudy stretches: 38% average cloud cover in Lissabon.
Cities With Similar Weather In September
Weather in Lissabon, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 15°C / 9°C | 59mm | Details → |
| Wetter im Februar | 16°C / 10°C | 51mm | Details → |
| Wetter im März | 17°C / 11°C | 66mm | Details → |
| Wetter im April | 19°C / 12°C | 67mm | Details → |
| Wetter im Mai | 23°C / 14°C | 40mm | Details → |
| Wetter im Juni | 25°C / 16°C | 20mm | Details → |
| Wetter im Juli | 27°C / 18°C | 3mm | Details → |
| Wetter im August | 28°C / 18°C | 3mm | Details → |
| Wetter im September | 26°C / 18°C | 36mm | |
| Wetter im Oktober | 23°C / 16°C | 85mm | Details → |
| Wetter im November | 18°C / 13°C | 81mm | Details → |
| Wetter im Dezember | 16°C / 11°C | 85mm | Details → |