Callao climate

Callao Weather in September

NASA POWER reanalysis for the half-degree grid cell around Callao, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 22°C on September 1 to 22°C on September 30, and lows from 13°C to 14°C. Normal precipitation for the month is 0 mm over about 0 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Callao, in °C, with the record for each date.10152025151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
22°C
Average low
14°C
Precipitation
0 mm
Reanalysis high
25°CSep 10, 1997
Reanalysis low
11°CSep 16, 1992
Daylight
11 h 53 min to 12 h 11 min
Cloud cover
58%
Humidity
62%
Dew point
9°C
Wind
12.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 122°C13°C23°C 199112°C 20100%
Sep 222°C13°C23°C 199112°C 20080%
Sep 322°C13°C23°C 200912°C 20110%
Sep 422°C13°C23°C 200911°C 20130%
Sep 522°C13°C24°C 200912°C 20110%
Sep 622°C14°C24°C 199712°C 19910%
Sep 722°C14°C24°C 199712°C 20110%
Sep 822°C14°C24°C 199711°C 19990%
Sep 922°C14°C25°C 199712°C 19980%
Sep 1022°C14°C25°C 199712°C 20030%
Sep 1122°C14°C23°C 199112°C 20100%
Sep 1222°C14°C23°C 201113°C 20160%
Sep 1322°C14°C23°C 200212°C 20000%
Sep 1422°C14°C24°C 201512°C 19920%
Sep 1522°C14°C24°C 201511°C 19920%
Sep 1622°C14°C24°C 199711°C 19920%
Sep 1722°C14°C24°C 199711°C 19920%
Sep 1822°C14°C23°C 201012°C 19920%
Sep 1922°C14°C25°C 201511°C 20010%
Sep 2022°C14°C24°C 199713°C 20081%
Sep 2122°C14°C23°C 199713°C 19921%
Sep 2222°C14°C24°C 199713°C 20051%
Sep 2322°C14°C24°C 200412°C 19951%
Sep 2422°C14°C24°C 202012°C 19921%
Sep 2522°C14°C24°C 199712°C 20011%
Sep 2622°C14°C23°C 201612°C 20051%
Sep 2722°C14°C23°C 199412°C 20011%
Sep 2822°C14°C24°C 199712°C 20011%
Sep 2922°C14°C24°C 199712°C 20011%
Sep 3022°C14°C24°C 199712°C 19931%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Callao, in percent.00.20.40.60.811102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

September 1
sunrise 6:12 AM, sunset 6:05 PM
September 30
sunrise 5:53 AM, sunset 6:04 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.