Lisbon in September
September in Lisbon brings highs around 80°F (27°C), lows near 64°F and about 4 rainy days. The sun sets around 7:46 pm. The sea is about 66°F (19°C). It's one of the most comfortable months for sightseeing.
Photo: Lacobrigo, CC BY-SA 4.0
What September is good for in Lisbon
Each activity rated for September's weather and sea.
Great now Boat toursGreat in September
Great now Sunset cruisesGreat in September
Great now Food toursGreat in September
Great now Day tripsGreat in September
Great now Walking toursGreat in September
Great now Wine toursGreat in September
Great now Bike toursGreat in September
Great now Private toursGreat in September
Cooking classesAny month
September next to August and October
| Month | August | September | October |
|---|---|---|---|
| High | 84°F (29°C) | 80°F (27°C) | 73°F (23°C) |
| Low | 66°F (19°C) | 64°F (18°C) | 60°F (15°C) |
| Rainy days | 1 | 4 | 9 |
| Sea | 66°F | 66°F | 65°F |
| Sunset | 8:32 pm | 7:46 pm | 6:59 pm |
| Daylight | 13 h 42 min | 12 h 28 min | 11 h 13 min |
Averages for Lisbon, 1991–2020; sunrise and sunset on the 15th. Lisbon water temperature by month.
Tours in Lisbon
Best of Lisbon Small-Group Guided Walking TourFrom $22View 
Lisbon City Center Tour - The Unmissable LisbonFrom $3View 
Lisbon TukTuk City Tour | Lisbon Private Sightseeing ToursFrom $16View 
Lisbon Airport Private Transfer to Lisbon HotelsFrom $33View 
Lisbon Small-Group Portuguese Food and Wine TourFrom $76View 
Bike Tours Lisbon - Center of Lisbon to BelémFrom $18View
Tours from Viator. Good Outing may earn a commission when you book, at no cost to you.
Questions
Is September a good time to visit Lisbon?
It's one of the most comfortable months for sightseeing. The most comfortable months overall are May, June and September.
How hot is Lisbon in September?
Average highs are about 80°F (27°C) and lows about 64°F (18°C).
Does it rain much in Lisbon in September?
September averages 4 rainy days, against 10 in the wettest month.
How warm is the sea in Lisbon in September?
About 66°F (19°C). Most swimmers find that cool without a wetsuit.
