Lisbon Weather in September
Portugal · September climate averages and travel tips
Avg high23°C (73°F)
Avg low18°C (64°F)
Rainfall24 mm (0.9 in)
RatingExcellent 10/10
In September, Lisbon has average highs of 23°C (73°F) and lows of 18°C (64°F). September is autumn (fall) in Portugal. The month is fairly dry, with about 24 mm (0.9 in) of rain spread over 5 days. You get roughly 12.2 hours of daylight and a mix of sun and cloud.
Is September a good time to visit Lisbon?
Yes — September is one of the best months to visit Lisbon. The weather rates excellent (10/10) on our comfort score.
September weather at a glance
| Average high | 23°C (73°F) |
|---|---|
| Average low | 18°C (64°F) |
| Daily mean | 20°C (68°F) |
| Rainfall | 24 mm (0.9 in) |
| Rainy days (1 mm+) | 5 |
| Humidity | 81% |
| Cloud cover | 47% |
| Daylight | 12.2 hours |
| Est. sunshine | 7.1 hours/day |
| Wind | 14.2 km/h |
| vs August | 1°C cooler than August, with 20 mm more rain. |
What to pack for Lisbon in September
- T-shirts plus a light layer for the evening
Lisbon weather in other months
Jan15°C / 11°C56 mmGoodFeb15°C / 11°C49 mmExcellentMar16°C / 12°C57 mmExcellentApr17°C / 13°C53 mmExcellentMay20°C / 15°C28 mmExcellentJun21°C / 17°C12 mmExcellentJul23°C / 18°C3 mmExcellentAug23°C / 18°C4 mmExcellentSep23°C / 18°C24 mmExcellentOct21°C / 17°C72 mmExcellentNov18°C / 14°C86 mmGoodDec16°C / 12°C66 mmGood
← AugustBest time to visit LisbonOctober →
Nearby in September
- Faro26°C · 20 mm
- Porto24°C · 52 mm
- Seville33°C · 20 mm
- Gibraltar25°C · 25 mm
- Tangier25°C · 25 mm
- Marbella27°C · 27 mm
Where else is good in September? See where to go in September.