Weather in Lisbon in September
Lisbon, Portugal averages a high of 24.9°C (76.8°F) and low of 17.8°C (64°F) in September, with 4 rain days and 11.1 hours of daily sunshine. Travel score: 88.6/100 (Excellent). The best time to visit Lisbon is August.
High
25°C77°F
Low
18°C64°F
🌧️
4
rain days
☀️
11.1
hrs/day sunshine
💧
73%
humidity
89— Excellent
September in Lisbon is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Lisbon?
How much does it rain in Lisbon in September?
Lisbon receives an average of 31.5mm of rainfall across 4 rainy days in September. The annual total is 554.4mm.
What should I pack for Lisbon in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting Portugal in September?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31