Ouray County climate

Ouray County Weather in September

NOAA 1991-2020 normals for Ridgway, 1.1 km from Ouray County

Average highs run from 80°F on September 1 to 71°F on September 30, and lows from 41°F to 31°F. Normal precipitation for the month is 1.59 in over about 8 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Ouray County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
36°F
Precipitation
1.59 in
Snowfall
0.3 in
Record high
88°FSep 12, 1990
Record low
9°FSep 25, 1931
Chance of a freeze
97%
Daylight
12 h 59 min to 11 h 49 min
Cloud cover
45%
Humidity
50%
Dew point
32°F
Wind
6.0 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 180°F41°F85°F 199024°F 193232%0%
Sep 280°F41°F84°F 192426°F 193232%0%
Sep 380°F40°F86°F 197625°F 197332%0%
Sep 479°F40°F85°F 198026°F 197131%0%
Sep 579°F40°F86°F 197926°F 196831%0%
Sep 679°F40°F86°F 197922°F 192931%0%
Sep 779°F39°F84°F 202222°F 192930%0%
Sep 878°F39°F84°F 197422°F 192930%0%
Sep 978°F39°F83°F 191921°F 200130%0%
Sep 1078°F38°F84°F 199220°F 192930%0%
Sep 1178°F38°F83°F 199022°F 192929%0%
Sep 1277°F38°F88°F 199023°F 195129%0%
Sep 1377°F37°F88°F 199023°F 198528%0%
Sep 1477°F37°F88°F 194822°F 192828%0%
Sep 1576°F37°F82°F 200024°F 200528%0%
Sep 1676°F36°F83°F 193124°F 193127%1%
Sep 1776°F36°F82°F 195618°F 200627%1%
Sep 1875°F35°F83°F 195615°F 197126%1%
Sep 1975°F35°F84°F 195615°F 199626%1%
Sep 2075°F35°F77°F 193617°F 197125%1%
Sep 2174°F34°F81°F 196610°F 193125%1%
Sep 2274°F34°F82°F 196614°F 191224%1%
Sep 2373°F34°F82°F 199220°F 191224%1%
Sep 2473°F33°F79°F 199118°F 191323%1%
Sep 2573°F33°F81°F 19919°F 193123%1%
Sep 2672°F32°F81°F 196316°F 193023%1%
Sep 2772°F32°F80°F 196316°F 193122%1%
Sep 2871°F32°F82°F 198919°F 199922%1%
Sep 2971°F31°F80°F 195716°F 199922%1%
Sep 3071°F31°F84°F 198016°F 199921%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ouray County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • 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

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00057020 (Ridgway), 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.