Sint-Niklaas Weather in September

Sint-Niklaas in September sees pleasant daytime temperatures of 20°C (68°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 64 mm (2.5 in), so pack a rain jacket to stay dry.

Rainfall in Sint-Niklaas in September

Rain is expected on roughly 15 days, totalling around 64 mm (2.5 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Sint-Niklaas in September

September is a good time to be in Sint-Niklaas. Days are perfect, reaching 20°C (68°F), with nights around 12°C (54°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Sint-Niklaas in September

The area enjoys a moderate level of sunlight, with around 166 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Sint-Niklaas.

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For a detailed overview over the year and the best time to visit Belgium, check out our Sint-Niklaas's climate page.

Sint-Niklaas Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 51%  

Precipitation 64 mm (2.5 in)  

Rainy days 15 days  

Sunshine 166 hours *  

Percentage Sunshine *  

* Data from: Antwerp, Belgium (18 KM, 11 Miles).

What to Wear in Sint-Niklaas in September

For Sint-Niklaas in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Sint-Niklaas in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Belgium, check out our Sint-Niklaas's climate page.

More climate data for Sint-Niklaas

Temperature Rainfall Sunshine

See the full Sint-Niklaas climate overview or explore weather in Belgium.