Douglas climate

Douglas Weather in September

NOAA 1991-2020 normals for Douglas, 3.6 km from Douglas

Average highs run from 89°F on September 1 to 84°F on September 30, and lows from 70°F to 62°F.

September day by day

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

Normal daily high and low temperature at Douglas, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
66°F
Record high
97°FSep 2, 2023
Record low
47°FSep 30, 2003
Chance of a freeze
0%
Days of 90°F or more
13.1
Daylight
12 h 48 min to 11 h 53 min
Cloud cover
52%
Humidity
75%
Dew point
67°F
Wind
6.9 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 189°F70°F95°F 201462°F 20250%
Sep 289°F69°F97°F 202360°F 20250%
Sep 389°F69°F95°F 202459°F 20250%
Sep 489°F69°F94°F 201163°F 20090%
Sep 589°F69°F93°F 202663°F 20250%
Sep 689°F69°F94°F 202564°F 20090%
Sep 789°F69°F97°F 202658°F 20110%
Sep 888°F68°F91°F 202556°F 20110%
Sep 988°F68°F92°F 202656°F 20110%
Sep 1088°F68°F93°F 201055°F 20110%
Sep 1188°F68°F94°F 201057°F 20110%
Sep 1288°F68°F95°F 201058°F 20110%
Sep 1388°F67°F92°F 200259°F 20030%
Sep 1487°F67°F92°F 200255°F 20150%
Sep 1587°F67°F96°F 202653°F 20150%
Sep 1687°F67°F94°F 201157°F 20010%
Sep 1787°F66°F95°F 200554°F 20010%
Sep 1887°F66°F94°F 200554°F 20010%
Sep 1986°F66°F94°F 200557°F 20030%
Sep 2086°F66°F95°F 200556°F 20040%
Sep 2186°F65°F94°F 201053°F 20060%
Sep 2286°F65°F93°F 201052°F 20060%
Sep 2386°F65°F94°F 202258°F 20230%
Sep 2485°F64°F93°F 202453°F 20120%
Sep 2585°F64°F92°F 201052°F 20080%
Sep 2685°F64°F93°F 202550°F 20010%
Sep 2785°F63°F89°F 200249°F 20010%
Sep 2884°F63°F90°F 201150°F 20010%
Sep 2984°F63°F90°F 200551°F 20000%
Sep 3084°F62°F91°F 200547°F 20030%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Douglas, 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 (EDT).

September 1
sunrise 7:07 AM, sunset 7:55 PM
September 30
sunrise 7:25 AM, sunset 7:18 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00092783 (Douglas), public domain. Records: NOAA GHCN-Daily, station USC00097171, 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.