Weather in Aulnay-sous-Bois in September
Aulnay-sous-Bois, France averages a high of 20.8°C (69.4°F) and low of 12.1°C (53.8°F) in September, with 8 rain days and 8.8 hours of daily sunshine. Travel score: 77.6/100 (Good). The best time to visit Aulnay-sous-Bois is July.
High
21°C69°F
Low
12°C54°F
🌧️
8
rain days
☀️
8.8
hrs/day sunshine
💧
73%
humidity
78— Good
September in Aulnay-sous-Bois is mild and occasionally wet — good for most activities.
What are the average temperatures in Aulnay-sous-Bois?
How much does it rain in Aulnay-sous-Bois in September?
Aulnay-sous-Bois receives an average of 49.8mm of rainfall across 8 rainy days in September. The annual total is 695.3mm.
What should I pack for Aulnay-sous-Bois in September?
Essentials
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Comfortable walking shoes
Essential for exploring the city
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Mix of light and warm layers
Mild temperatures around 21°C
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Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (8 days)
☔
Umbrella
Be prepared for occasional showers
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Data based on 1994–2024 averages · Last updated: 2024-12-31