Clifton Weather in September
Average highs run from 96°F on September 1 to 88°F on September 30, and lows from 70°F to 61°F. Normal precipitation for the month is 1.71 in over about 6 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 93°F
- Average low
- 66°F
- Precipitation
- 1.71 in
- Record high
- 107°FSep 7, 2020
- Record low
- 47°FSep 24, 2017
- Chance of a freeze
- 0%
- Days of 90°F or more
- 22.0
- Daylight
- 12 h 50 min to 11 h 52 min
- Cloud cover
- 39%
- Humidity
- 45%
- Dew point
- 47°F
- Wind
- 6.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 96°F | 70°F | 104°F 2011 | 60°F 2001 | 27% |
| Sep 2 | 96°F | 69°F | 103°F 2011 | 64°F 2010 | 27% |
| Sep 3 | 96°F | 69°F | 105°F 2019 | 62°F 2000 | 27% |
| Sep 4 | 96°F | 69°F | 106°F 2020 | 61°F 1999 | 26% |
| Sep 5 | 95°F | 69°F | 104°F 2016 | 60°F 2016 | 26% |
| Sep 6 | 95°F | 69°F | 104°F 2023 | 57°F 2004 | 25% |
| Sep 7 | 95°F | 68°F | 107°F 2020 | 65°F 2016 | 25% |
| Sep 8 | 95°F | 68°F | 105°F 2023 | 58°F 2001 | 24% |
| Sep 9 | 94°F | 68°F | 105°F 2023 | 56°F 2001 | 24% |
| Sep 10 | 94°F | 68°F | 105°F 2023 | 57°F 2010 | 23% |
| Sep 11 | 94°F | 67°F | 102°F 2023 | 50°F 2010 | 23% |
| Sep 12 | 94°F | 67°F | 103°F 2004 | 57°F 2020 | 22% |
| Sep 13 | 93°F | 67°F | 104°F 2017 | 58°F 2005 | 22% |
| Sep 14 | 93°F | 67°F | 102°F 2018 | 54°F 2005 | 21% |
| Sep 15 | 93°F | 66°F | 101°F 2018 | 51°F 2005 | 20% |
| Sep 16 | 93°F | 66°F | 100°F 2003 | 53°F 2012 | 20% |
| Sep 17 | 92°F | 66°F | 103°F 2018 | 53°F 2006 | 19% |
| Sep 18 | 92°F | 65°F | 102°F 2018 | 53°F 2006 | 19% |
| Sep 19 | 92°F | 65°F | 99°F 1998 | 54°F 2006 | 18% |
| Sep 20 | 91°F | 65°F | 102°F 2005 | 56°F 2002 | 18% |
| Sep 21 | 91°F | 65°F | 99°F 2005 | 56°F 2004 | 17% |
| Sep 22 | 91°F | 64°F | 99°F 2001 | 48°F 2004 | 17% |
| Sep 23 | 91°F | 64°F | 101°F 2005 | 50°F 2004 | 16% |
| Sep 24 | 90°F | 64°F | 100°F 1998 | 47°F 2017 | 16% |
| Sep 25 | 90°F | 63°F | 101°F 2020 | 49°F 2017 | 15% |
| Sep 26 | 90°F | 63°F | 103°F 2005 | 49°F 2017 | 15% |
| Sep 27 | 89°F | 63°F | 103°F 2024 | 54°F 1998 | 15% |
| Sep 28 | 89°F | 62°F | 103°F 2024 | 49°F 2013 | 14% |
| Sep 29 | 89°F | 62°F | 99°F 1998 | 52°F 2006 | 14% |
| Sep 30 | 88°F | 61°F | 101°F 2003 | 50°F 2014 | 14% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- September 1
- sunrise 5:52 AM, sunset 6:42 PM
- September 30
- sunrise 6:11 AM, sunset 6:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021849 (Clifton), public domain. Records: NOAA GHCN-Daily, station USW00093084, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.