Chisec climate

Chisec Weather in September

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

Average highs run from 29°C on September 1 to 28°C on September 30, and lows from 23°C to 22°C. Normal precipitation for the month is 324 mm over about 27 wet days.

September day by day

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

Normal daily high and low temperature at Chisec, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
29°C
Average low
23°C
Precipitation
324 mm
Reanalysis high
36°CSep 9, 1994
Reanalysis low
20°CSep 8, 2016
Daylight
12 h 26 min to 12 h 00 min
Cloud cover
73%
Humidity
90%
Dew point
23°C
Wind
4.0 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 129°C23°C35°C 199422°C 199291%
Sep 229°C23°C34°C 199421°C 200492%
Sep 329°C23°C33°C 199422°C 201292%
Sep 429°C23°C32°C 199421°C 201392%
Sep 529°C23°C33°C 200421°C 199292%
Sep 629°C23°C33°C 199421°C 199592%
Sep 729°C23°C34°C 199421°C 199291%
Sep 829°C23°C35°C 199420°C 201690%
Sep 929°C23°C36°C 199421°C 199190%
Sep 1029°C23°C33°C 199421°C 199290%
Sep 1129°C23°C35°C 199421°C 199190%
Sep 1229°C23°C36°C 199421°C 201290%
Sep 1329°C23°C35°C 199421°C 201290%
Sep 1429°C23°C35°C 199421°C 199190%
Sep 1529°C23°C34°C 199421°C 199190%
Sep 1629°C23°C34°C 199421°C 200790%
Sep 1729°C23°C33°C 199421°C 200191%
Sep 1829°C23°C31°C 199420°C 199191%
Sep 1928°C23°C33°C 199421°C 199191%
Sep 2028°C23°C33°C 199421°C 199191%
Sep 2128°C23°C35°C 199421°C 200591%
Sep 2228°C23°C35°C 199420°C 199990%
Sep 2328°C23°C36°C 199421°C 199992%
Sep 2428°C23°C34°C 199421°C 199993%
Sep 2528°C22°C32°C 199421°C 200493%
Sep 2628°C22°C31°C 200821°C 201693%
Sep 2728°C22°C32°C 201021°C 200693%
Sep 2828°C22°C32°C 199720°C 201292%
Sep 2928°C22°C33°C 199421°C 199391%
Sep 3028°C22°C33°C 199421°C 200190%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Chisec, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

September 1
sunrise 5:48 AM, sunset 6:14 PM
September 30
sunrise 5:51 AM, sunset 5:51 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.