Urban Climate Index
Urban Climate Index for the Lima and Callao metropolitan area in September 2026: heat across 49 municipalities
Written by Eduardo Garcia · Co-founder / CEO / CTOPublished 5 October 2026
#Urban-Climate-Index#Lima-and-Callao#Peru#September-2026
The Urban Climate Index for the Lima and Callao metropolitan area, on the Pacific, ranks the climate of September 2026 across 49 municipalities. Villa El Salvador leads this list, at a temperature of 24.2°C, and Pucusana closes it.
If you live here or you are thinking of doing so, look at which municipalities ran cooler or hotter this September, and where you would like to spend more time.
The 20 sectors of the Lima district are another reading. This one is the Lima and Callao metropolitan area.
Cooler end of the ranking
Villa El Salvador leads this list, at a temperature of 24.2°C. The cooler ground this September sits on the south coast. Chorrillos and Lurín follow it. The five best places are:
Five best places. Urban Climate Index, Lima and Callao metropolitan area, September 2026.
| Rank | Municipality | Surface |
|---|---|---|
| 1 | Villa El Salvador | 24.2°C |
| 2 | Chorrillos | 24.4°C |
| 3 | Lurín | 33.7°C |
| 4 | San Juan de Miraflores | 34.2°C |
| 5 | Miraflores | 34.6°C |
Hotter end of the ranking
The hotter ground on the list sits at both ends of the coast. Pucusana is last of 49, at a temperature of 44.4°C. Ancón sits to the north and San Bartolo to the south, among the five worst places.
Five worst places. Urban Climate Index, Lima and Callao metropolitan area, September 2026.
| Rank | Municipality | Surface |
|---|---|---|
| 49 | Pucusana | 44.4°C |
| 48 | Ancón | 43.6°C |
| 47 | San Bartolo | 43.2°C |
| 46 | Santa Rosa | 42.5°C |
| 45 | Santa María del Mar | 42.5°C |
Why the order follows the ground
The National Meteorology and Hydrology Service of Peru (SENAMHI) accepts registration for its open data, on the date of this reading, with a Peruvian identity document. At this moment we could not get access. We are working to get access for future publications.
Station air, humidity and rain stay out of these 49 municipalities.
The September mean for the whole area is 40.0°C, and the highest value of the month on the card is 60.2°C.
The hottest observation, on 16 September, reached 62.8°C, and the coolest, on 8 September, reached 17.0°C.
Those two observations belong to the whole area. The cooler one sits on the coast, beside Villa El Salvador, and the hotter one in the northern hills, beside Aucallama.
The municipalities are ranked on the month’s mean over urban ground.
This map is the Lima and Callao metropolitan area in September, on the Pacific. The labels mark the coolest observation on the south coast and the hottest in the northern hills.
These figures are the September mean for the whole area, 40.0°C on the ground, and the highest value of the month on the card, 60.2°C. On 8 September the coolest observation reached 17.0°C, and on 16 September the hottest reached 62.8°C.
This picture is the south coast on 8 September. The coolest observation reached 17.0°C beside Villa El Salvador, on the whole area.
On 16 September the hottest observation reached 62.8°C in the northern hills, beside Aucallama. That reading belongs to the whole area.
Why the ranking uses urban ground
The map shows the whole metropolitan area, hills and coast included. The ranking of the 49 municipalities uses urban ground: 1,151.97 km² of the 2,907.98 km² area of interest.
That ground is residential, commercial, industrial, retail and parks. The northern hills stay on the map, and each municipality enters with its streets and its parks.
El Agustino sits halfway down the list
El Agustino sits in 25th place of 49, at a temperature of 39.6°C, about halfway down the list. Anyone looking for cooler ground this September looks toward Villa El Salvador, Chorrillos and Lurín.
How September was built
This September gathers the usable satellite images after the cloud filter, from 1 to 30 September 2026. Each municipality enters with its urban ground.
Other cities and months are on our blog.
Conclusion
In September the cooler ground on the list sits on the south coast, and the hotter ground at both ends of the coast. The mean for the whole area is 40.0°C.
Villa El Salvador takes first place and Pucusana takes last place.
Knowing this, where would you like to spend more time next September in the Lima and Callao metropolitan area, on the Pacific?
Questions
What do I do with this ranking?
It ranks that September’s climate for someone who lives in the Lima and Callao metropolitan area or is thinking of doing so. Rent and schools stay out. The question is where you would like to spend more time next September.
What is the Urban Climate Index in this text?
The September 2026 reading for the Lima and Callao metropolitan area, on the Pacific: 49 municipalities and land surface temperature. This entry shows the five best and the five worst; the full ranking downloads here.
Where is the full ranking?
The ranking of all 49 downloads in this text: rank, municipality and mean surface.
What is the 40.0°C on the cards?
The September mean surface for the whole area, on the cards in this text. The ranking of municipalities uses urban ground: 1,151.97 km² of that 2,907.98 km² area of interest.
Why does the order follow the surface?
The National Meteorology and Hydrology Service of Peru (SENAMHI) accepts registration for its open data, on the date of this reading, with a Peruvian identity document. At this moment we could not get access. We are working to get access for future publications. The September order follows the land surface temperature of each municipality.
Where does El Agustino sit?
El Agustino sits in 25th place of 49, at a temperature of 39.6°C, about halfway down the list.
Is this reading the Lima district?
These 49 municipalities are the Lima and Callao metropolitan area. The 20 sectors of the Lima district are another reading.
Talk to us about the climate of your city
If your city is not here, write with the place. We set up the ranking of barrios or zones.
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