Richland climate

Richland Weather in September

NOAA 1991-2020 normals for Jackson Intl AP, 11.7 km from Richland

Average highs run from 91°F on September 1 to 84°F on September 30, and lows from 70°F to 61°F. Normal precipitation for the month is 3.48 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 Richland, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
88°F
Average low
66°F
Precipitation
3.48 in
Record high
104°FSep 1, 2000
Record low
35°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
13.2
Daylight
12 h 49 min to 11 h 53 min
Cloud cover
46%
Humidity
73%
Dew point
65°F
Wind
3.8 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 191°F70°F104°F 200057°F 196728%0%
Sep 291°F70°F102°F 200053°F 196727%0%
Sep 391°F69°F102°F 200056°F 198727%0%
Sep 490°F69°F104°F 200054°F 197426%0%
Sep 590°F69°F100°F 199055°F 197426%0%
Sep 690°F69°F99°F 202655°F 198426%0%
Sep 790°F69°F99°F 201950°F 201125%0%
Sep 890°F68°F102°F 198055°F 201125%0%
Sep 989°F68°F102°F 198052°F 201124%0%
Sep 1089°F68°F103°F 198053°F 198124%0%
Sep 1189°F68°F98°F 201051°F 197624%0%
Sep 1289°F67°F102°F 198050°F 196924%0%
Sep 1389°F67°F100°F 198050°F 196823%0%
Sep 1488°F67°F101°F 198048°F 196423%0%
Sep 1588°F67°F104°F 198051°F 196423%0%
Sep 1688°F66°F101°F 198055°F 197923%0%
Sep 1788°F66°F98°F 201952°F 198122%0%
Sep 1887°F66°F99°F 201046°F 198122%0%
Sep 1987°F65°F97°F 201543°F 198122%0%
Sep 2087°F65°F98°F 201045°F 198122%0%
Sep 2187°F65°F98°F 198048°F 198322%0%
Sep 2286°F64°F98°F 198041°F 198322%0%
Sep 2386°F64°F97°F 198041°F 198221%0%
Sep 2486°F63°F96°F 201646°F 198221%0%
Sep 2586°F63°F97°F 201646°F 196521%0%
Sep 2685°F63°F94°F 198644°F 197521%0%
Sep 2785°F62°F95°F 198644°F 197521%0%
Sep 2885°F62°F96°F 198641°F 196721%0%
Sep 2984°F62°F96°F 198635°F 196721%0%
Sep 3084°F61°F95°F 201937°F 196721%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Richland, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:36 AM, sunset 7:25 PM
September 30
sunrise 6:54 AM, sunset 6:47 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003940 (Jackson Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00003940, 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.