Routt County climate

Routt County Weather in September

NOAA 1991-2020 normals for Steamboat Springs, 14.2 km from Routt County

Average highs run from 78°F on September 1 to 68°F on September 30, and lows from 40°F to 31°F. Normal precipitation for the month is 2.32 in over about 10 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 Routt County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
36°F
Precipitation
2.32 in
Snowfall
0.4 in
Record high
93°FSep 7, 1908
Record low
6°FSep 24, 1926
Chance of a freeze
96%
Daylight
13 h 05 min to 11 h 47 min
Cloud cover
47%
Humidity
53%
Dew point
31°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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 178°F40°F90°F 195422°F 196236%1%
Sep 278°F40°F91°F 199524°F 195935%1%
Sep 378°F40°F91°F 196022°F 197435%1%
Sep 478°F39°F90°F 194825°F 197435%1%
Sep 577°F39°F92°F 202223°F 195635%1%
Sep 677°F39°F92°F 190823°F 195635%1%
Sep 777°F38°F93°F 190820°F 191135%1%
Sep 876°F38°F91°F 202221°F 191135%1%
Sep 976°F38°F88°F 189715°F 196234%1%
Sep 1076°F38°F89°F 202115°F 196234%1%
Sep 1175°F37°F90°F 202121°F 194534%1%
Sep 1275°F37°F85°F 189322°F 189334%1%
Sep 1375°F37°F87°F 199018°F 194534%2%
Sep 1474°F36°F88°F 199021°F 189433%2%
Sep 1574°F36°F89°F 199018°F 189433%2%
Sep 1674°F36°F88°F 201816°F 194433%2%
Sep 1773°F35°F90°F 191920°F 195133%2%
Sep 1873°F35°F84°F 191417°F 191232%2%
Sep 1973°F35°F86°F 193512°F 197132%2%
Sep 2072°F34°F86°F 201012°F 191232%2%
Sep 2172°F34°F87°F 191913°F 198332%2%
Sep 2271°F34°F89°F 190812°F 191232%3%
Sep 2371°F33°F83°F 190813°F 194631%3%
Sep 2470°F33°F83°F 19436°F 192631%3%
Sep 2570°F33°F83°F 202012°F 196131%3%
Sep 2669°F32°F84°F 196314°F 197030%3%
Sep 2769°F32°F84°F 202115°F 191030%3%
Sep 2869°F32°F86°F 202417°F 197530%4%
Sep 2968°F31°F85°F 202415°F 192130%4%
Sep 3068°F31°F85°F 202413°F 198530%4%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Routt 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 6:35 AM, sunset 7:40 PM
September 30
sunrise 7:04 AM, sunset 6:51 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00057936 (Steamboat Springs), public domain. Records: NOAA GHCN-Daily, station USC00057936, 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.