SeasonScore
Lima, Peru
Photo: Thomas Quine · CC BY 2.0

Peru

Lima in September

🌤️ Cool season

Pleasant and mostly dry.

Best months: Nov (9.5), May (9.4), Dec (9.4)

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Why September scores 8.4What goes into the score

How it works
🌡️ 20° / 15°C🌧️ 1 mm💧 dew pt 11°🍃 PM2.5 15
  • Weather comfort7.8
    • ✓Comfortable temperatures (20°C highs / 15°C lows)
    • ✓Comfortable humidity (dew point 11°C)
    • ✓Mostly dry (~1 mm rain)
    • !Grey, overcast skies (~90% cloud cover on average)
  • Air quality8.5
    • ✓Good (within WHO guideline) (PM2.5 ~15 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut September side by side with another month
SepNov
Score8.4 Very good9.5 Excellent
Season🌤️ Cool season🌤️ Cool season
High / low20° / 15°22° / 17°
Rain1 mm0 mm
Humiditydew pt 11°dew pt 13°
PM2.515 µg/m³14 µg/m³

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

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

Explore LimaEvents, sights, food & souvenirs

Check event dates locally

Peru's coastal capital, visited for its colonial centre, clifftop neighbourhoods over the Pacific and one of the world's leading food scenes.

Events in September

No major events on our calendar for September.

Coming up later

Señor de los MilagrosDate variesProcessions on several days in October

Huge processions honour a revered image of Christ; Lima's 'purple month'.

Why go: Expect road closures; try turrón de doña Pepa, the seasonal sweet.

Where: Historic Centre

Fiestas PatriasEvery year28-29 July every year

Peru's independence days with a military parade.

Why go: Domestic travel is busy around these dates.

Where: Nationwide

Santa Rosa de LimaEvery year30 August every year

Feast day of Lima's patron saint, a public holiday.

Why go: Pilgrims drop wishes into her well.

Where: Santuario de Santa Rosa, Historic Centre