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Where to go in September / Belgium / September

A good place. At the right time.

Belgium
in September.

Is September a good time?

Temperature unit

10 of 11 scored regions rate very good or better for weather.

National overnight stays are 61% of the July peak.

Regional afternoon highs
67–70°F
Very good weather
10 / 11 regions

Weather falls below the very-good band in 1 scored region.

Find your September base

Based on 11 statistical regions. Typical conditions, not a forecast for individual towns.

Illustration of Mont des Arts garden axis toward Brussels Town Hall
Mont des Arts, BrusselsDestination view, not month-specific.

One month. 11 possibilities.

Choose your September base.

The useful differences, side by side. Open a region for its full month guide.

What matters most?

Weather 50% · Crowds 30% · Cost 20%

Trip focus

11 of 11 regions · Best weather first

Overall scores use the Balanced mix. Choose a different priority to order the regions by that mix.

Illustration of Antwerp's historic waterfront and Cathedral of Our Lady from across the ScheldtCityAntwerpRead the September guide ↗ Overall7.7/10#1 month here · Balanced Weather8.8/10Very good70°F afternoons · 8 rain days Visitor seasonModerate seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Graslei waterfront viewed across the Leie from KorenleiCityGhent & East FlandersGhentRead the September guide ↗ Overall7.4/10#2 month here · Balanced Weather8.8/10Very good70°F afternoons · 8 rain days Visitor seasonBusy seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Cobbled lane and historic brick houses in Leuven's Groot BegijnhofCountrysideLeuven & Flemish BrabantLeuvenRead the September guide ↗ Overall7.4/10#2 month here · Balanced Weather8.8/10Very good70°F afternoons · 8 rain days Visitor seasonBusy seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Mont des Arts garden axis toward Brussels Town HallCityBrusselsRead the September guide ↗ Overall7.3/10#3 month here · Balanced Weather8.8/10Very good70°F afternoons · 8 rain days Visitor seasonSteady all yearsimilar all yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of The sunken Cycling Through Water path at BokrijkCountrysideLimburg (Belgium)HasseltRead the September guide ↗ Overall7.8/10#1 month here · Balanced Weather8.7/10Very good70°F afternoons · 8 rain days Visitor seasonModerate seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Château de Beloeil across its long reflecting basinCountrysideHainautMons · CharleroiRead the September guide ↗ Overall7.3/10#1 month here · Balanced Weather8.7/10Very good70°F afternoons · 8 rain days Visitor seasonBusy seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of The Lion's Mound at Waterloo from the lower battlefieldCountrysideWalloon BrabantWaterlooRead the September guide ↗ Overall7.2/10#3 month here · Balanced Weather8.7/10Very good70°F afternoons · 8 rain days Visitor seasonSteady all yearsimilar all yearHigher price seasonhistorical estimated seasonal pattern; national price level Illustration of Dinant from across the Meuse toward the Collegiate Church and citadelCountrysideNamurDinantRead the September guide ↗ Overall7.3/10#2 month here · Balanced Weather8.5/10Very good69°F afternoons · 9 rain days Visitor seasonModerate seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Montagne de Bueren staircase from the foot of the climbCountrysideLiègeSpaRead the September guide ↗ Overall7.3/10#1 month here · Balanced Weather8.4/10Very good69°F afternoons · 8 rain days Visitor seasonModerate seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of Tombeau du Géant from the Botassart lookout above the Semois meanderCountrysideThe Belgian ArdennesDurbuy · BouillonRead the September guide ↗ Overall7.4/10#1 month here · Balanced Weather8.1/10Very good67°F afternoons · 9 rain days Visitor seasonModerate seasonvs its own yearNear usual price seasonhistorical estimated seasonal pattern; national price level Illustration of De Haan beach from the dunes with bathing cabins and the North SeaBeachBruges & the Belgian coastBruges · Ostend · KnokkeRead the September guide ↗ Overall6.1/10#2 month here · Balanced Weather6.7/10Good70°F afternoons · 8 rain days Visitor seasonBusy seasonvs its own yearHigher price seasonhistorical estimated seasonal pattern; national price level

Cost words compare a published regional accommodation level with Belgium's typical level, or describe a region's price season against its own year. The Cost score still uses Belgium's price level on the Europe scale; where regional money levels are unavailable, a cheaper season does not establish which region has the cheapest rooms.

What goes into the scores?

Overall combines weather, crowds and cost. It is not a weather rating. By default, the list ranks weather first and shows Balanced Overall scores (50% weather, 30% crowds, 20% cost). Other priorities order it by your Overall mix. Missing cost is excluded and the available parts are reweighted.

Visitor season compares each region with its own year. A higher crowd score does not establish which place has fewer people in absolute terms. Regions cover whole statistical areas; open a guide for its geographic scope. Read the scoring method.

Weather across the country

September weather & packing.

Regional averages vary; check a forecast closer to your trip.

Typical afternoons
67–70°F
Typical nights
48–53°F
Rain days
8–9 days

Ranges span available regional monthly averages, not daily extremes. A dash means a measurement is unavailable or withheld; individual guides explain the gaps.

What to bring.

Afternoons around 70°F (21°C): T-shirt weather; nights around 51°F (10°C): a sweater and a light jacket.

Weather, region by region Afternoons, nights, rain & weather
Available regional monthly averages. Very good weather means a displayed score of at least 7.0/10.
RegionAfternoonNightRain daysWeather
Antwerp70°F51°F8very good
Ghent & East Flanders70°F51°F8very good
Leuven & Flemish Brabant70°F51°F8very good
Brussels70°F51°F8very good
Limburg (Belgium)70°F51°F8very good
Hainaut70°F50°F8very good
Walloon Brabant70°F50°F8very good
Namur69°F49°F9very good
Liège69°F50°F8very good
The Belgian Ardennes67°F48°F9very good
Bruges & the Belgian coast70°F53°F8good

Before you go

Check the trip details.

The visitor season

Busy season, nationally.

September records 61% of July's overnight stays. This measures overnight demand, not queues or day-trippers.

Hotel prices

About usual.

+4% on Belgium's historical national hotel-price index, versus its usual month in 2024–2025. This describes a price season, not a live room quote.

The national index cannot tell you which region has the cheapest rooms.

Thinking about the coast?

Check the water, too.

Among beach-focused regions, the warmest measured seas this month are Bruges & the Belgian coast (65°F). Sea temperature is one part of a beach trip; open a region for weather and seasonal closures.

Same country. A different chapter.

Dates still up in the air?

Belgium through the year ↗

September is fixed, but the destination isn't? Find somewhere else in Europe ↗

How we know Sources, scope & limitations

Each row is a statistical region (NUTS 2); open it for the full month, the sources and what moving your dates would change. National lines are built from the regions: season is Belgium's total tourist nights this month against its busiest month (Eurostat, primarily 2024–2025; earlier published years where needed); weather counts regions whose displayed Weather score is at least 7.0/10 (very good or better) rather than averaging across the country; visitors ranks overnight visitors per resident against all Europe's regions (for a region) or the other countries (for Belgium) that month.

A regional accommodation level is shown only where publishable money data exists; elsewhere the cost words describe a regional season against its own year, and the score starts from the national price level. Separately, Belgium's 2024 restaurants-and-hotels level is above EU average (124 where the EU average is 100). Full method.