Marriott-Slaterville Weather in September
Average highs run from 88°F on September 1 to 74°F on September 30, and lows from 56°F to 45°F. Normal precipitation for the month is 1.25 in over about 3 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
- 51°F
- Precipitation
- 1.25 in
- Record high
- 104°FSep 6, 2022
- Record low
- 32°FSep 28, 1999
- Chance of a freeze
- 8%
- Days of 90°F or more
- 4.6
- Daylight
- 13 h 06 min to 11 h 47 min
- Cloud cover
- 38%
- Humidity
- 44%
- Dew point
- 34°F
- Wind
- 4.7 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 | 88°F | 56°F | 100°F 2022 | 46°F 2008 | 10% | 0% |
| Sep 2 | 88°F | 55°F | 97°F 2022 | 44°F 2008 | 10% | 0% |
| Sep 3 | 87°F | 55°F | 101°F 2022 | 46°F 2004 | 10% | 0% |
| Sep 4 | 87°F | 55°F | 101°F 2022 | 45°F 1999 | 10% | 0% |
| Sep 5 | 86°F | 55°F | 102°F 2022 | 46°F 2004 | 10% | 0% |
| Sep 6 | 86°F | 54°F | 104°F 2022 | 41°F 2010 | 11% | 0% |
| Sep 7 | 85°F | 54°F | 104°F 2022 | 43°F 2001 | 11% | 0% |
| Sep 8 | 85°F | 54°F | 96°F 2022 | 40°F 2001 | 11% | 0% |
| Sep 9 | 84°F | 53°F | 96°F 2021 | 42°F 2001 | 11% | 0% |
| Sep 10 | 84°F | 53°F | 96°F 2021 | 45°F 2010 | 11% | 0% |
| Sep 11 | 83°F | 53°F | 93°F 2024 | 43°F 2010 | 11% | 0% |
| Sep 12 | 83°F | 52°F | 93°F 2022 | 38°F 1951 | 11% | 0% |
| Sep 13 | 82°F | 52°F | 92°F 1948 | 42°F 1951 | 11% | 0% |
| Sep 14 | 82°F | 52°F | 96°F 1948 | 44°F 2003 | 11% | 0% |
| Sep 15 | 81°F | 51°F | 92°F 1948 | 39°F 1950 | 12% | 0% |
| Sep 16 | 81°F | 51°F | 92°F 2000 | 35°F 2006 | 12% | |
| Sep 17 | 80°F | 51°F | 92°F 2014 | 38°F 2006 | 12% | |
| Sep 18 | 80°F | 50°F | 90°F 2014 | 37°F 2003 | 12% | |
| Sep 19 | 79°F | 50°F | 92°F 2010 | 41°F 2003 | 12% | |
| Sep 20 | 79°F | 50°F | 89°F 2022 | 42°F 2004 | 12% | |
| Sep 21 | 78°F | 49°F | 86°F 2013 | 37°F 1951 | 12% | |
| Sep 22 | 78°F | 49°F | 88°F 2020 | 38°F 1951 | 12% | |
| Sep 23 | 77°F | 48°F | 89°F 2001 | 34°F 2000 | 12% | |
| Sep 24 | 77°F | 48°F | 90°F 2001 | 38°F 2000 | 12% | |
| Sep 25 | 76°F | 48°F | 91°F 2015 | 38°F 2000 | 12% | |
| Sep 26 | 76°F | 47°F | 90°F 2024 | 39°F 2005 | 12% | |
| Sep 27 | 75°F | 47°F | 89°F 2001 | 33°F 1999 | 12% | |
| Sep 28 | 75°F | 46°F | 94°F 2024 | 32°F 1999 | 12% | |
| Sep 29 | 74°F | 46°F | 96°F 2024 | 34°F 1950 | 12% | |
| Sep 30 | 74°F | 45°F | 87°F 2011 | 32°F 2019 | 12% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:55 AM, sunset 8:01 PM
- September 30
- sunrise 7:24 AM, sunset 7:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426414 (Ogden Sugar Factory), public domain. Records: NOAA GHCN-Daily, station USW00024126, 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.