Weather | 14–23°C (57–73°F), mild, drier, bright afternoons | 10–18°C (50–64°F), cooler, rainier, still mild by European standards | 8–16°C (46–61°F), mild winter, more festive than autumnal |
Crowds | Moderate shoulder-season crowds | Low most weeks; high in Parque das Nações during Web Summit | Moderate, especially around Christmas and New Year |
Atmosphere | Chestnut season starts, outdoor walking still easy | Chestnut carts, misty hills, museum weather, early holiday feel late month | Lights, markets, concerts, and year-end city-break energy |
Key events | EDP Lisbon Marathon, DocLisboa, chestnut season | Web Summit, Night Summit, São Martinho, late-November light switch-on | Wonderland Lisboa, Christmas markets, NYE events |
Public holidays | October 5, Republic Day | November 1, All Saints’ Day | December 1 and December 8 national holidays |
Budget | Better than summer, weekends still busy | Usually one of the cheaper months, except November 9–12 | Higher around holiday weekends and New Year |
Best for | Walk-heavy first visits, viewpoints, outdoor dining | Smart-budget city breaks, museums, food, Sintra in cooler weather | Festive trips, holiday markets, seasonal city atmosphere |
Book early? | Marathon weekend and major film festival dates | Yes for Web Summit week, Benfica fixtures, and popular Sintra tours | Yes for holiday stays, concerts, and Christmas-market weekends |
Transport tips | Good month for trains to Cascais and Sintra | Expect heavier metro, taxi, and hotel demand around Oriente and FIL during Web Summit | More evening foot traffic around central lights and market zones |