Heroica Guaymas climate

Heroica Guaymas Weather in September

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

Average highs run from 33°C on September 1 to 32°C on September 30, and lows from 28°C to 26°C. Normal precipitation for the month is 75 mm over about 6 wet days.

September day by day

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

Normal daily high and low temperature at Heroica Guaymas, in °C, with the record for each date.2025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
32°C
Average low
28°C
Precipitation
75 mm
Reanalysis high
38°CSep 23, 2011
Reanalysis low
23°CSep 27, 2013
Daylight
12 h 42 min to 11 h 55 min
Cloud cover
35%
Humidity
69%
Dew point
23°C
Wind
13.3 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 133°C28°C37°C 200726°C 201743%
Sep 233°C28°C36°C 201026°C 199243%
Sep 333°C28°C35°C 200026°C 199642%
Sep 433°C28°C36°C 200027°C 200840%
Sep 533°C28°C37°C 202026°C 200438%
Sep 633°C28°C38°C 199926°C 199636%
Sep 733°C28°C37°C 199226°C 199634%
Sep 833°C28°C37°C 199226°C 200133%
Sep 932°C28°C34°C 200425°C 200132%
Sep 1032°C28°C35°C 201526°C 200130%
Sep 1132°C28°C36°C 200126°C 202028%
Sep 1232°C28°C36°C 201526°C 200827%
Sep 1332°C28°C35°C 201826°C 200226%
Sep 1432°C28°C35°C 199825°C 199324%
Sep 1532°C28°C35°C 201324°C 199624%
Sep 1632°C28°C37°C 202025°C 199622%
Sep 1732°C28°C35°C 201624°C 200620%
Sep 1832°C28°C35°C 201524°C 199319%
Sep 1932°C27°C36°C 201124°C 199318%
Sep 2032°C27°C35°C 201124°C 199318%
Sep 2132°C27°C35°C 200525°C 200417%
Sep 2232°C27°C37°C 201124°C 200417%
Sep 2332°C27°C38°C 201123°C 200417%
Sep 2432°C27°C36°C 200124°C 201715%
Sep 2532°C27°C35°C 200124°C 200314%
Sep 2632°C27°C35°C 200124°C 201713%
Sep 2732°C27°C35°C 201823°C 201312%
Sep 2832°C27°C37°C 202023°C 201711%
Sep 2932°C26°C37°C 200524°C 201710%
Sep 3032°C26°C37°C 201524°C 20018%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Heroica Guaymas, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-7).

September 1
sunrise 6:02 AM, sunset 6:44 PM
September 30
sunrise 6:16 AM, sunset 6:11 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.