SeasonScore
Montevideo, Uruguay
Photo: Ypsilon · CC0

Uruguay

Montevideo in September

🌷 Spring

Pleasant and some showers.

🎒 Pack: light layers

Best months: Mar (9.2), Apr (9.2), May (9.2)

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Why September scores 9.1What goes into the score

How it works
🌡️ 18° / 10°C🌧️ 92 mm💧 dew pt 10°🍃 PM2.5 8
  • Weather comfort8.9
    • ✓Comfortable temperatures (18°C highs / 10°C lows)
    • ✓Comfortable humidity (dew point 10°C)
    • ✓Mostly dry (~92 mm rain)
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepMar
Score9.1 Excellent9.2 Excellent
Season🌷 Spring🍂 Autumn
High / low18° / 10°25° / 17°
Rain92 mm106 mm
Humiditydew pt 10°dew pt 17°
PM2.58 µg/m³7 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Montevideo weather-station normals. Rainfall: Montevideo weather-station normals (national met service).

Holidays & crowdsSeptember 2027

No long holidays

No long public-holiday weekends this month. School holidays aren't counted, so check those if you want to avoid family crowds.

No national public holidays in Uruguay this month.

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore MontevideoEvents, sights, food & souvenirs

Check event dates locally

Uruguay's relaxed capital on the Río de la Plata, known for its long waterfront Rambla, old town, grill houses and the world's longest carnival season.

Events in September

No major events on our calendar for September.

Coming up later

Día del PatrimonioDate variesUsually a weekend in early October

Heritage weekend when many historic and government buildings open free to the public.

Why go: A rare chance to see interiors usually closed to visitors.

Where: Citywide

CarnavalDate variesUsually late January to early March, around 40 days

The world's longest carnival, with murga theatre groups and candombe drumming.

Why go: Shows run nightly; the inaugural parade opens the season.

Where: Tablados (neighbourhood stages) and Teatro de Verano

Desfile de LlamadasDate variesUsually February

A parade of candombe drum troupes through the Afro-Uruguayan heartland.

Why go: Very popular; arrive early or buy grandstand seats.

Where: Barrio Sur and Palermo