Weather in Barreiro in September
Barreiro, Portugal averages a high of 25.4°C (77.7°F) and low of 18°C (64.4°F) in September, with 4 rain days and 11.1 hours of daily sunshine. Travel score: 89.3/100 (Excellent). The best time to visit Barreiro is August.
High
25°C78°F
Low
18°C64°F
🌧️
4
rain days
☀️
11.1
hrs/day sunshine
💧
73%
humidity
89— Excellent
September in Barreiro is warm and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Barreiro?
How much does it rain in Barreiro in September?
Barreiro receives an average of 29.6mm of rainfall across 4 rainy days in September. The annual total is 528.1mm.
What should I pack for Barreiro 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
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