Ouray Weather in September
Average highs run from 72°F on September 1 to 64°F on September 30, and lows from 49°F to 40°F. Normal precipitation for the month is 2.39 in over about 11 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
- 69°F
- Average low
- 45°F
- Precipitation
- 2.39 in
- Snowfall
- 0.5 in
- Record high
- 88°FSep 12, 1990
- Record low
- 9°FSep 25, 1931
- Chance of a freeze
- 45%
- Daylight
- 12 h 59 min to 11 h 49 min
- Cloud cover
- 45%
- Humidity
- 57%
- Dew point
- 29°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 | 72°F | 49°F | 85°F 1990 | 24°F 1932 | 44% | 0% |
| Sep 2 | 72°F | 49°F | 84°F 1924 | 26°F 1932 | 44% | 0% |
| Sep 3 | 72°F | 49°F | 86°F 1976 | 25°F 1973 | 43% | 0% |
| Sep 4 | 72°F | 48°F | 85°F 1980 | 26°F 1971 | 43% | 0% |
| Sep 5 | 72°F | 48°F | 86°F 1979 | 26°F 1968 | 42% | 0% |
| Sep 6 | 71°F | 48°F | 86°F 1979 | 22°F 1929 | 42% | 0% |
| Sep 7 | 71°F | 48°F | 84°F 2022 | 22°F 1929 | 42% | 1% |
| Sep 8 | 71°F | 47°F | 84°F 1974 | 22°F 1929 | 41% | 1% |
| Sep 9 | 71°F | 47°F | 83°F 1919 | 21°F 2001 | 41% | 1% |
| Sep 10 | 71°F | 47°F | 84°F 1992 | 20°F 1929 | 40% | 1% |
| Sep 11 | 70°F | 46°F | 83°F 1990 | 22°F 1929 | 40% | 1% |
| Sep 12 | 70°F | 46°F | 88°F 1990 | 23°F 1951 | 39% | 1% |
| Sep 13 | 70°F | 46°F | 88°F 1990 | 23°F 1985 | 39% | 1% |
| Sep 14 | 70°F | 46°F | 88°F 1948 | 22°F 1928 | 38% | 1% |
| Sep 15 | 69°F | 45°F | 82°F 2000 | 24°F 2005 | 38% | 1% |
| Sep 16 | 69°F | 45°F | 83°F 1931 | 24°F 1931 | 37% | 1% |
| Sep 17 | 69°F | 45°F | 82°F 1956 | 18°F 2006 | 36% | 1% |
| Sep 18 | 69°F | 44°F | 83°F 1956 | 15°F 1971 | 36% | 1% |
| Sep 19 | 68°F | 44°F | 84°F 1956 | 15°F 1996 | 35% | 2% |
| Sep 20 | 68°F | 43°F | 77°F 1936 | 17°F 1971 | 34% | 2% |
| Sep 21 | 68°F | 43°F | 81°F 1966 | 10°F 1931 | 34% | 2% |
| Sep 22 | 67°F | 43°F | 82°F 1966 | 14°F 1912 | 33% | 2% |
| Sep 23 | 67°F | 42°F | 82°F 1992 | 20°F 1912 | 32% | 2% |
| Sep 24 | 67°F | 42°F | 79°F 1991 | 18°F 1913 | 32% | 2% |
| Sep 25 | 66°F | 42°F | 81°F 1991 | 9°F 1931 | 31% | 2% |
| Sep 26 | 66°F | 41°F | 81°F 1963 | 16°F 1930 | 30% | 2% |
| Sep 27 | 66°F | 41°F | 80°F 1963 | 16°F 1931 | 30% | 3% |
| Sep 28 | 65°F | 40°F | 82°F 1989 | 19°F 1999 | 29% | 3% |
| Sep 29 | 65°F | 40°F | 80°F 1957 | 16°F 1999 | 29% | 3% |
| Sep 30 | 64°F | 40°F | 84°F 1980 | 16°F 1999 | 29% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- September 1
- sunrise 6:41 AM, sunset 7:40 PM
- September 30
- sunrise 7:06 AM, sunset 6:55 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00056203 (Ouray), public domain. Records: NOAA GHCN-Daily, station USC00058204, 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.