Stapleton climate

Stapleton Weather in September

NOAA 1991-2020 normals for Stapleton 5W, 7.5 km from Stapleton

Average highs run from 82°F on September 1 to 71°F on September 30, and lows from 53°F to 41°F. Normal precipitation for the month is 1.80 in over about 7 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 Stapleton, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
47°F
Precipitation
1.80 in
Snowfall
0.1 in
Record high
103°FSep 6, 2013
Record low
17°FSep 29, 1984
Chance of a freeze
38%
Days of 90°F or more
4.3
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
45%
Humidity
55%
Dew point
46°F
Wind
11.4 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°F53°F100°F 202335°F 195623%0%
Sep 282°F53°F102°F 202334°F 197423%0%
Sep 382°F52°F101°F 202326°F 197423%0%
Sep 481°F52°F100°F 201236°F 197423%0%
Sep 581°F52°F101°F 202032°F 195623%0%
Sep 681°F51°F103°F 201327°F 195623%0%
Sep 780°F51°F102°F 195934°F 201023%0%
Sep 880°F50°F103°F 202235°F 201224%0%
Sep 980°F50°F102°F 197931°F 197624%0%
Sep 1080°F50°F99°F 197429°F 195924%0%
Sep 1179°F49°F99°F 202133°F 201424%0%
Sep 1279°F49°F96°F 200432°F 197424%0%
Sep 1379°F49°F102°F 199026°F 197424%0%
Sep 1478°F48°F95°F 201531°F 198924%0%
Sep 1578°F48°F97°F 195533°F 200824%0%
Sep 1678°F47°F96°F 202134°F 198124%0%
Sep 1777°F47°F96°F 198330°F 197324%0%
Sep 1877°F47°F98°F 197231°F 197124%0%
Sep 1976°F46°F97°F 202226°F 197124%0%
Sep 2076°F46°F97°F 202229°F 198324%0%
Sep 2176°F45°F98°F 200524°F 198324%1%
Sep 2275°F45°F94°F 201724°F 199524%1%
Sep 2375°F44°F95°F 202023°F 198924%1%
Sep 2474°F44°F92°F 199026°F 196524%1%
Sep 2574°F44°F92°F 199025°F 200024%1%
Sep 2673°F43°F94°F 202128°F 197024%1%
Sep 2773°F43°F95°F 202123°F 196424%1%
Sep 2872°F42°F93°F 202424°F 195124%1%
Sep 2972°F42°F95°F 199417°F 198424%1%
Sep 3071°F41°F91°F 202318°F 198424%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Stapleton, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:08 AM, sunset 8:15 PM
September 30
sunrise 7:38 AM, sunset 7:25 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00258133 (Stapleton 5W), public domain. Records: NOAA GHCN-Daily, station USW00024023, 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.