Lima in September
In September, Lima averages 19°C (66°F) during the day and 15°C (59°F) at night, with only about 2 rainy days.
High seasonConditions are comfortable for sightseeing without being sweltering. Skies are generally dry and clear.
September is a great month to visit Lima: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Lima
September is one of the coolest months in Lima (12th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 4°C below the annual average (23°C). September runs roughly the same as August (19°C) and warms a further 2°C into October (21°C).
September sunrise & sunset in Lima
Times shown for Lima local time (America/Lima), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Lima — September
Golden-hour and blue-hour windows for the 15th of September, in Lima's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Lima in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (High season) and Lima's popularity.
Crowds & pricing — September in Lima
This is a busy month in Lima — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — September in Lima
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Lima in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 26°C / 79°F | 19°C / 66°F | 1 mm | 1 | 0 |
| February | 27°C / 81°F | 20°C / 68°F | 1 mm | 1 | 0 |
| March | 26°C / 79°F | 19°C / 66°F | 1 mm | 1 | 0 |
| April | 24°C / 75°F | 17°C / 63°F | 1 mm | 1 | 0 |
| May | 22°C / 72°F | 16°C / 61°F | 1 mm | 2 | 0 |
| June | 19°C / 66°F | 15°C / 59°F | 1 mm | 2 | 0 |
| July | 19°C / 66°F | 15°C / 59°F | 1 mm | 2 | 0 |
| August | 19°C / 66°F | 14°C / 57°F | 1 mm | 2 | 0 |
| September | 19°C / 66°F | 15°C / 59°F | 1 mm | 2 | 0 |
| October | 21°C / 70°F | 15°C / 59°F | 1 mm | 2 | 0 |
| November | 23°C / 73°F | 16°C / 61°F | 1 mm | 1 | 0 |
| December | 25°C / 77°F | 18°C / 64°F | 1 mm | 1 | 0 |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Lima in September →
Frequently asked questions
How hot is Lima in September?
In September, Lima averages a high of 19°C (66°F) and a low of 15°C (59°F) — generally mild and pleasant.
Does it rain a lot in Lima in September?
September is generally dry in Lima, with about 2 rainy days on average.
Is September a good time to visit Lima?
September is mild and pleasant and mostly dry. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Lima in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Lima for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.