Weather in Aalst in September
Aalst, Belgium averages a high of 19.4°C (66.9°F) and low of 12°C (53.6°F) in September, with 10 rain days and 8.5 hours of daily sunshine. Travel score: 71.7/100 (Good). The best time to visit Aalst is July.
High
19°C67°F
Low
12°C54°F
🌧️
10
rain days
☀️
8.5
hrs/day sunshine
💧
78%
humidity
72— Good
September in Aalst is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Aalst?
How much does it rain in Aalst in September?
Aalst receives an average of 55.8mm of rainfall across 10 rainy days in September. The annual total is 734.9mm.
What should I pack for Aalst in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to Belgium 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