Reserve climate

Reserve Weather in September

NOAA 1991-2020 normals for Reserve RS, 1.8 km from Reserve

Average highs run from 88°F on September 1 to 81°F on September 30, and lows from 49°F to 39°F. Normal precipitation for the month is 2.36 in.

September day by day

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

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

September at a glance

Average high
85°F
Average low
45°F
Precipitation
2.36 in
Record high
95°FSep 2, 1950
Record low
20°FSep 28, 2013
Chance of a freeze
32%
Days of 90°F or more
4.8
Daylight
12 h 51 min to 11 h 52 min
Cloud cover
42%
Humidity
56%
Dew point
43°F
Wind
5.6 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 188°F49°F91°F 199535°F 19110%
Sep 288°F49°F95°F 195032°F 19110%
Sep 388°F49°F92°F 197032°F 19110%
Sep 488°F49°F91°F 194531°F 19610%
Sep 588°F48°F91°F 194528°F 19610%
Sep 687°F48°F92°F 194529°F 20040%
Sep 787°F48°F90°F 202135°F 19110%
Sep 887°F48°F90°F 202135°F 19440%
Sep 987°F47°F90°F 199330°F 19890%
Sep 1087°F47°F92°F 199431°F 19890%
Sep 1187°F47°F89°F 202130°F 19860%
Sep 1286°F46°F88°F 202129°F 19160%
Sep 1386°F46°F89°F 191525°F 19520%
Sep 1486°F46°F90°F 199228°F 19890%
Sep 1586°F45°F88°F 191825°F 19700%
Sep 1685°F45°F88°F 191830°F 19700%
Sep 1785°F45°F87°F 191825°F 19680%
Sep 1885°F44°F89°F 201024°F 20060%
Sep 1984°F44°F91°F 201022°F 19710%
Sep 2084°F43°F90°F 191825°F 20060%
Sep 2184°F43°F89°F 192922°F 19890%
Sep 2284°F43°F87°F 191822°F 19120%
Sep 2383°F42°F89°F 191822°F 20040%
Sep 2483°F42°F88°F 191823°F 19680%
Sep 2583°F41°F87°F 191822°F 20000%
Sep 2682°F41°F89°F 191822°F 19700%
Sep 2782°F40°F88°F 199423°F 19240%
Sep 2882°F40°F90°F 201020°F 20130%
Sep 2981°F40°F89°F 201024°F 19240%
Sep 3081°F39°F88°F 201024°F 19450%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Reserve, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

September 1
sunrise 6:49 AM, sunset 7:40 PM
September 30
sunrise 7:09 AM, sunset 7:01 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00297386 (Reserve RS), public domain. Records: NOAA GHCN-Daily, station USC00028162, 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.