Santiago Tlacotepec Weather in September
Average highs run from 23°C on September 1 to 23°C on September 30, and lows from 13°C to 12°C. Normal precipitation for the month is 171 mm over about 27 wet days.
September day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
September at a glance
- Average high
- 23°C
- Average low
- 13°C
- Precipitation
- 171 mm
- Reanalysis high
- 27°CSep 27, 1994
- Reanalysis low
- 4°CSep 9, 2011
- Daylight
- 12 h 29 min to 11 h 59 min
- Cloud cover
- 76%
- Humidity
- 82%
- Dew point
- 13°C
- Wind
- 6.5 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 23°C | 13°C | 26°C 2019 | 11°C 1992 | 92% |
| Sep 2 | 23°C | 13°C | 26°C 2020 | 11°C 1993 | 92% |
| Sep 3 | 23°C | 13°C | 26°C 2020 | 11°C 2019 | 91% |
| Sep 4 | 23°C | 13°C | 25°C 1994 | 9°C 1992 | 92% |
| Sep 5 | 23°C | 13°C | 27°C 2000 | 11°C 2015 | 91% |
| Sep 6 | 23°C | 13°C | 26°C 2019 | 9°C 2000 | 92% |
| Sep 7 | 23°C | 13°C | 26°C 2000 | 9°C 2000 | 92% |
| Sep 8 | 23°C | 13°C | 24°C 2015 | 7°C 2011 | 92% |
| Sep 9 | 22°C | 13°C | 25°C 2002 | 4°C 2011 | 92% |
| Sep 10 | 22°C | 13°C | 27°C 2000 | 5°C 2011 | 92% |
| Sep 11 | 22°C | 13°C | 27°C 2000 | 8°C 1999 | 92% |
| Sep 12 | 22°C | 13°C | 26°C 2000 | 9°C 2017 | 91% |
| Sep 13 | 23°C | 13°C | 24°C 1994 | 11°C 2011 | 90% |
| Sep 14 | 23°C | 13°C | 25°C 1994 | 11°C 1992 | 89% |
| Sep 15 | 23°C | 13°C | 25°C 2017 | 9°C 2001 | 90% |
| Sep 16 | 23°C | 13°C | 25°C 2019 | 11°C 2005 | 89% |
| Sep 17 | 23°C | 13°C | 24°C 2019 | 9°C 2007 | 89% |
| Sep 18 | 23°C | 13°C | 25°C 2011 | 11°C 1999 | 88% |
| Sep 19 | 23°C | 13°C | 26°C 1996 | 9°C 2012 | 88% |
| Sep 20 | 23°C | 13°C | 26°C 1994 | 8°C 1999 | 88% |
| Sep 21 | 23°C | 13°C | 27°C 1994 | 8°C 1999 | 87% |
| Sep 22 | 23°C | 13°C | 27°C 1994 | 7°C 1999 | 86% |
| Sep 23 | 23°C | 13°C | 25°C 1994 | 9°C 2002 | 84% |
| Sep 24 | 23°C | 13°C | 26°C 1999 | 11°C 1991 | 82% |
| Sep 25 | 23°C | 13°C | 26°C 1999 | 8°C 2007 | 80% |
| Sep 26 | 23°C | 12°C | 26°C 1999 | 10°C 1994 | 78% |
| Sep 27 | 23°C | 12°C | 27°C 1994 | 9°C 1999 | 77% |
| Sep 28 | 23°C | 12°C | 26°C 1994 | 9°C 2000 | 76% |
| Sep 29 | 23°C | 12°C | 26°C 1995 | 8°C 2010 | 75% |
| Sep 30 | 23°C | 12°C | 26°C 1995 | 6°C 2010 | 74% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- September 1
- sunrise 6:24 AM, sunset 6:53 PM
- September 30
- sunrise 6:29 AM, sunset 6:28 PM
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.