September · Peru
Best time to visit Lima in September Weather, crowds & prices
Weather in Lima in September
Average temperature 16°C, 1 mm of rain, about 30 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.3/10
Ranked #5 of 12 months
- Avg temp
- 16°C
- Rainfall
- 1 mm
- Humidity
- 83%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Lima scores 9.3/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 16°C, 1 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Coastal cliffs, ceviche culture, and colonial plazas peak in milder November-March months.
September ranks 5th of 12 for Lima — one of the best windows
Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
At just 1 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Lima at 9.3/10 (5th of 12), just behind January at 9.4/10.
Pack layers you can shed by midday plus one warm layer for the evening.
Budget for mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Lima in September?
- In September, Lima averages 16°C, 1 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 9.3/10.
- Is September a good time to visit Lima?
- September earns a 9.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Lima in September?
- Expect about 1 mm of rain in September. Average humidity is 83% and there are about 30 days with 6+ hours of sunshine.
Curated in Lima
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