SeasonScore
Riga, Latvia
Photo: Poco a poco · CC BY-SA 3.0

Latvia

Riga in September

🍂 Autumn

Cool and some showers.

🎒 Pack: light layers

Best months: Jun (9.5), Jul (9.5), May (9.4)

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Why September scores 9.1What goes into the score

How it works
🌡️ 17° / 10°C🌧️ 67 mm💧 dew pt 11°🍃 PM2.5 10
  • Weather comfort9.0
    • ✓Cool (17°C highs / 10°C lows)
    • ✓Comfortable humidity (dew point 10.6°C)
    • ✓Mostly dry (~67 mm rain)
  • Air quality9.2
    • ✓Good (within WHO guideline) (PM2.5 ~10 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline8.0
    • ·Normal precautions
Compare monthsPut September side by side with another month
SepJun
Score9.1 Excellent9.5 Excellent
Season🍂 Autumn☀️ Summer
High / low17° / 10°21° / 12°
Rain67 mm65 mm
Humiditydew pt 11°dew pt 13°
PM2.510 µg/m³6 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Riga weather-station normals. Rainfall: Riga 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 Latvia this month.

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

Explore RigaEvents, sights, food & souvenirs

Check event dates locally

Latvia's capital on the Daugava River, known for its medieval Old Town, one of Europe's largest groups of Art Nouveau buildings and a huge Central Market.

Events in September

No major events on our calendar for September.

Coming up later

Proclamation DayEvery year18 November every year

The anniversary of Latvia's independence in 1918, with military parades and fireworks.

Why go: Public holiday; the Staro Rīga light festival is usually held around the same time.

Where: Citywide

Staro RīgaDate variesUsually mid-November

A festival of light installations across the city.

Why go: Evening event; dress warmly.

Where: Citywide

Christmas marketDate variesUsually late November to early January

A traditional market with local crafts and food.

Why go: Riga claims to have the first decorated Christmas tree in 1510.

Where: Dome Square