Juan José Ríos Weather in September
Average highs run from 33°C on September 1 to 34°C on September 30, and lows from 25°C to 24°C. Normal precipitation for the month is 126 mm over about 15 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
- 33°C
- Average low
- 25°C
- Precipitation
- 126 mm
- Reanalysis high
- 42°CSep 7, 2000
- Reanalysis low
- 19°CSep 29, 2013
- Daylight
- 12 h 38 min to 11 h 56 min
- Cloud cover
- 47%
- Humidity
- 74%
- Dew point
- 23°C
- Wind
- 8.6 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 | 33°C | 25°C | 38°C 2000 | 23°C 2017 | 70% |
| Sep 2 | 33°C | 25°C | 39°C 2000 | 24°C 2017 | 70% |
| Sep 3 | 33°C | 25°C | 39°C 1992 | 23°C 1996 | 70% |
| Sep 4 | 33°C | 25°C | 39°C 2000 | 23°C 1998 | 68% |
| Sep 5 | 33°C | 25°C | 38°C 2020 | 23°C 1996 | 68% |
| Sep 6 | 33°C | 25°C | 41°C 2000 | 21°C 1998 | 68% |
| Sep 7 | 33°C | 25°C | 42°C 2000 | 22°C 1996 | 65% |
| Sep 8 | 33°C | 25°C | 37°C 1995 | 23°C 2018 | 64% |
| Sep 9 | 33°C | 25°C | 36°C 2011 | 22°C 2004 | 62% |
| Sep 10 | 33°C | 25°C | 37°C 2017 | 23°C 2008 | 61% |
| Sep 11 | 33°C | 25°C | 37°C 2001 | 23°C 1993 | 60% |
| Sep 12 | 33°C | 25°C | 38°C 2000 | 23°C 2008 | 60% |
| Sep 13 | 33°C | 25°C | 39°C 2000 | 21°C 2008 | 59% |
| Sep 14 | 33°C | 25°C | 40°C 2000 | 21°C 2008 | 57% |
| Sep 15 | 33°C | 25°C | 39°C 2002 | 23°C 1996 | 54% |
| Sep 16 | 33°C | 25°C | 38°C 2005 | 21°C 1996 | 51% |
| Sep 17 | 33°C | 25°C | 39°C 1994 | 21°C 1996 | 48% |
| Sep 18 | 33°C | 25°C | 38°C 2000 | 21°C 1993 | 46% |
| Sep 19 | 34°C | 25°C | 40°C 2011 | 21°C 1993 | 45% |
| Sep 20 | 34°C | 25°C | 38°C 2020 | 22°C 1996 | 42% |
| Sep 21 | 34°C | 24°C | 39°C 2005 | 22°C 1996 | 40% |
| Sep 22 | 34°C | 24°C | 40°C 2011 | 22°C 1991 | 40% |
| Sep 23 | 34°C | 24°C | 39°C 2011 | 22°C 2002 | 38% |
| Sep 24 | 34°C | 24°C | 39°C 2011 | 21°C 2002 | 36% |
| Sep 25 | 34°C | 24°C | 38°C 1999 | 21°C 2017 | 34% |
| Sep 26 | 34°C | 24°C | 39°C 2009 | 20°C 2017 | 31% |
| Sep 27 | 34°C | 24°C | 39°C 2009 | 20°C 2017 | 29% |
| Sep 28 | 34°C | 24°C | 39°C 2005 | 20°C 2013 | 28% |
| Sep 29 | 34°C | 24°C | 40°C 2020 | 19°C 2013 | 27% |
| Sep 30 | 34°C | 24°C | 39°C 2020 | 20°C 1993 | 26% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-7).
- September 1
- sunrise 5:56 AM, sunset 6:34 PM
- September 30
- sunrise 6:07 AM, sunset 6:03 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.