Aberdeen climate

Aberdeen Weather in September

NOAA 1991-2020 normals for Valparaiso Wtr Wks, 10.1 km from Aberdeen

Average highs run from 79°F on September 1 to 70°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 2.92 in over about 9 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 Aberdeen, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
54°F
Precipitation
2.92 in
Record high
97°FSep 10, 2013
Record low
36°FSep 24, 2012
Chance of a freeze
1%
Days of 90°F or more
0.9
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
52%
Humidity
72%
Dew point
55°F
Wind
9.2 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 179°F59°F95°F 201146°F 200929%0%
Sep 279°F59°F95°F 201144°F 201729%0%
Sep 379°F59°F93°F 201149°F 202429%0%
Sep 479°F58°F94°F 201848°F 202429%0%
Sep 579°F58°F94°F 201845°F 200329%0%
Sep 678°F58°F93°F 199843°F 200029%0%
Sep 778°F57°F92°F 201643°F 202429%0%
Sep 878°F57°F94°F 200241°F 202530%0%
Sep 978°F57°F94°F 201342°F 202530%0%
Sep 1077°F56°F97°F 201344°F 199830%0%
Sep 1177°F56°F97°F 201346°F 199930%0%
Sep 1277°F56°F93°F 201946°F 200730%0%
Sep 1376°F55°F92°F 200541°F 201430%0%
Sep 1476°F55°F92°F 202138°F 201330%0%
Sep 1576°F55°F92°F 202639°F 201130%0%
Sep 1675°F54°F92°F 201838°F 201131%0%
Sep 1775°F54°F93°F 201841°F 201431%0%
Sep 1875°F53°F89°F 200742°F 202031%0%
Sep 1974°F53°F92°F 202137°F 202031%0%
Sep 2074°F53°F95°F 201840°F 202031%0%
Sep 2174°F52°F94°F 201737°F 200632%0%
Sep 2273°F52°F95°F 201738°F 199932%0%
Sep 2373°F52°F95°F 201739°F 201232%0%
Sep 2472°F51°F93°F 201736°F 201232%0%
Sep 2572°F51°F91°F 201738°F 200032%0%
Sep 2672°F51°F92°F 201738°F 200032%0%
Sep 2771°F50°F87°F 202142°F 201032%0%
Sep 2871°F50°F83°F 202539°F 200032%0%
Sep 2970°F49°F88°F 202537°F 200632%0%
Sep 3070°F49°F89°F 201937°F 200432%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Aberdeen, 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 (CDT).

September 1
sunrise 6:15 AM, sunset 7:21 PM
September 30
sunrise 6:44 AM, sunset 6:32 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128999 (Valparaiso Wtr Wks), public domain. Records: NOAA GHCN-Daily, station USW00004846, 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.