Junction Weather in September
Average highs run from 85°F on September 1 to 75°F on September 30, and lows from 50°F to 38°F. Normal precipitation for the month is 1.08 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
- 81°F
- Average low
- 44°F
- Precipitation
- 1.08 in
- Record high
- 90°FSep 6, 2020
- Record low
- 20°FSep 28, 1999
- Chance of a freeze
- 64%
- Days of 90°F or more
- 1.0
- Daylight
- 12 h 59 min to 11 h 49 min
- Cloud cover
- 39%
- Humidity
- 44%
- Dew point
- 31°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 85°F | 50°F | 87°F 2007 | 38°F 2020 | 24% | 0% |
| Sep 2 | 85°F | 49°F | 84°F 2019 | 35°F 2003 | 23% | 0% |
| Sep 3 | 85°F | 49°F | 84°F 2010 | 37°F 2000 | 23% | 0% |
| Sep 4 | 84°F | 49°F | 85°F 2010 | 32°F 1999 | 23% | 0% |
| Sep 5 | 84°F | 48°F | 85°F 2020 | 35°F 1999 | 23% | 0% |
| Sep 6 | 84°F | 48°F | 90°F 2020 | 35°F 2010 | 23% | 0% |
| Sep 7 | 84°F | 48°F | 90°F 2020 | 35°F 2001 | 22% | 0% |
| Sep 8 | 83°F | 47°F | 88°F 2020 | 30°F 2001 | 22% | 0% |
| Sep 9 | 83°F | 47°F | 83°F 2007 | 23°F 2020 | 22% | 0% |
| Sep 10 | 83°F | 47°F | 80°F 2001 | 23°F 2020 | 21% | 0% |
| Sep 11 | 83°F | 46°F | 82°F 2009 | 33°F 2003 | 21% | 0% |
| Sep 12 | 82°F | 46°F | 83°F 2000 | 35°F 2008 | 21% | 0% |
| Sep 13 | 82°F | 45°F | 88°F 2000 | 34°F 2003 | 20% | 0% |
| Sep 14 | 82°F | 45°F | 88°F 2000 | 26°F 2004 | 20% | 0% |
| Sep 15 | 81°F | 45°F | 87°F 2000 | 32°F 2019 | 20% | 0% |
| Sep 16 | 81°F | 44°F | 86°F 2000 | 31°F 2006 | 20% | 0% |
| Sep 17 | 80°F | 44°F | 86°F 2000 | 29°F 2006 | 19% | |
| Sep 18 | 80°F | 43°F | 82°F 2010 | 29°F 2003 | 19% | |
| Sep 19 | 80°F | 43°F | 83°F 2010 | 29°F 2002 | 19% | |
| Sep 20 | 79°F | 42°F | 81°F 2010 | 34°F 2019 | 18% | |
| Sep 21 | 79°F | 42°F | 82°F 2001 | 25°F 2004 | 18% | |
| Sep 22 | 78°F | 42°F | 81°F 2001 | 25°F 2004 | 18% | |
| Sep 23 | 78°F | 41°F | 82°F 2001 | 22°F 2006 | 18% | |
| Sep 24 | 77°F | 41°F | 80°F 2002 | 23°F 2000 | 18% | |
| Sep 25 | 77°F | 40°F | 81°F 2001 | 25°F 2000 | 17% | |
| Sep 26 | 76°F | 40°F | 84°F 2010 | 30°F 2013 | 17% | |
| Sep 27 | 76°F | 39°F | 83°F 2003 | 30°F 1999 | 17% | |
| Sep 28 | 76°F | 39°F | 84°F 2010 | 20°F 1999 | 17% | |
| Sep 29 | 75°F | 39°F | 82°F 2010 | 27°F 1999 | 17% | |
| Sep 30 | 75°F | 38°F | 81°F 2010 | 28°F 2007 | 17% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:59 AM, sunset 7:58 PM
- September 30
- sunrise 7:24 AM, sunset 7:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00421432 (Circleville), public domain. Records: NOAA GHCN-Daily, station USC00420527, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.