Weather in Sintra in September
Sintra, Portugal averages a high of 21.8°C (71.2°F) and low of 16.8°C (62.2°F) in September, with 5 rain days and 11.1 hours of daily sunshine. Travel score: 85.2/100 (Excellent). The best time to visit Sintra is August.
High
22°C71°F
Low
17°C62°F
🌧️
5
rain days
☀️
11.1
hrs/day sunshine
💧
79%
humidity
85— Excellent
September in Sintra is mild and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Sintra?
How much does it rain in Sintra in September?
Sintra receives an average of 32mm of rainfall across 5 rainy days in September. The annual total is 600.3mm.
What should I pack for Sintra in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 22°C
🧴
Sunscreen SPF 30+
11 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Portugal in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31