Weather in Sint-Niklaas in September
Sint-Niklaas, Belgium averages a high of 19.2°C (66.6°F) and low of 12.2°C (54°F) in September, with 10 rain days and 8.6 hours of daily sunshine. Travel score: 71.5/100 (Good). The best time to visit Sint-Niklaas is August.
High
19°C67°F
Low
12°C54°F
🌧️
10
rain days
☀️
8.6
hrs/day sunshine
💧
78%
humidity
72— Good
September in Sint-Niklaas is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Sint-Niklaas?
How much does it rain in Sint-Niklaas in September?
Sint-Niklaas receives an average of 57.3mm of rainfall across 10 rainy days in September. The annual total is 751mm.
What should I pack for Sint-Niklaas 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