Vernal climate

Vernal Weather in September

NOAA 1991-2020 normals for Vernal, 1.8 km from Vernal

Average highs run from 82°F on September 1 to 69°F on September 30, and lows from 51°F to 41°F. Normal precipitation for the month is 1.22 in over about 6 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 Vernal, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
46°F
Precipitation
1.22 in
Record high
98°FSep 5, 2022
Record low
26°FSep 29, 1999
Chance of a freeze
31%
Days of 90°F or more
1.3
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
41%
Humidity
42%
Dew point
33°F
Wind
7.2 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 182°F51°F96°F 202239°F 200519%0%
Sep 282°F51°F96°F 201938°F 200819%0%
Sep 382°F51°F96°F 202239°F 200819%0%
Sep 481°F50°F97°F 201742°F 199919%0%
Sep 581°F50°F98°F 202241°F 199919%0%
Sep 681°F50°F98°F 202239°F 201019%0%
Sep 780°F49°F97°F 202237°F 201019%0%
Sep 880°F49°F96°F 202232°F 202019%0%
Sep 979°F49°F91°F 201832°F 202019%0%
Sep 1079°F48°F93°F 202136°F 202019%0%
Sep 1179°F48°F91°F 201838°F 201019%0%
Sep 1278°F48°F93°F 201734°F 201419%0%
Sep 1378°F47°F89°F 202638°F 200519%0%
Sep 1477°F47°F88°F 201834°F 200319%0%
Sep 1577°F46°F90°F 201835°F 200419%0%
Sep 1676°F46°F91°F 201832°F 200619%0%
Sep 1776°F46°F88°F 201829°F 200619%0%
Sep 1875°F45°F89°F 201829°F 200319%0%
Sep 1975°F45°F88°F 201032°F 200319%0%
Sep 2075°F45°F85°F 201038°F 200318%0%
Sep 2174°F44°F84°F 202034°F 200618%0%
Sep 2274°F44°F84°F 201832°F 200418%0%
Sep 2373°F43°F85°F 201532°F 200018%0%
Sep 2472°F43°F86°F 201532°F 200018%0%
Sep 2572°F43°F87°F 202027°F 200018%0%
Sep 2671°F42°F87°F 202432°F 200017%0%
Sep 2771°F42°F89°F 202429°F 199917%0%
Sep 2870°F41°F87°F 202427°F 199917%0%
Sep 2970°F41°F88°F 202426°F 199917%0%
Sep 3069°F41°F86°F 202431°F 199917%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Vernal, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:46 AM, sunset 7:50 PM
September 30
sunrise 7:14 AM, sunset 7:02 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00429111 (Vernal), public domain. Records: NOAA GHCN-Daily, station USW00094030, 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.