Oppelo climate

Oppelo Weather in September

NOAA 1991-2020 normals for Morrilton, 6.3 km from Oppelo

Average highs run from 90°F on September 1 to 81°F on September 30, and lows from 66°F to 55°F. Normal precipitation for the month is 3.30 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 Oppelo, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
86°F
Average low
61°F
Precipitation
3.30 in
Record high
109°FSep 1, 2000
Record low
34°FSep 22, 1983
Chance of a freeze
0%
Days of 90°F or more
10.3
Daylight
12 h 54 min to 11 h 51 min
Cloud cover
45%
Humidity
68%
Dew point
60°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 190°F66°F109°F 200052°F 196724%0%
Sep 290°F66°F108°F 194750°F 198724%0%
Sep 390°F65°F106°F 195446°F 195224%0%
Sep 489°F65°F106°F 195450°F 195224%0%
Sep 589°F65°F107°F 194745°F 195223%0%
Sep 689°F65°F105°F 194746°F 199723%0%
Sep 789°F64°F106°F 194744°F 198823%0%
Sep 888°F64°F105°F 194744°F 198823%0%
Sep 988°F64°F102°F 194746°F 194423%0%
Sep 1088°F63°F103°F 193648°F 199823%0%
Sep 1187°F63°F102°F 193644°F 194023%0%
Sep 1287°F63°F100°F 193639°F 194022%0%
Sep 1387°F62°F101°F 193043°F 194022%0%
Sep 1487°F62°F101°F 198444°F 194022%0%
Sep 1586°F61°F103°F 195446°F 201322%0%
Sep 1686°F61°F99°F 192744°F 196122%0%
Sep 1786°F61°F101°F 192744°F 200022%0%
Sep 1885°F60°F98°F 202644°F 200022%0%
Sep 1985°F60°F98°F 201543°F 200022%0%
Sep 2085°F59°F99°F 195343°F 199122%0%
Sep 2184°F59°F100°F 201938°F 198322%0%
Sep 2284°F59°F100°F 202234°F 198322%0%
Sep 2384°F58°F102°F 198837°F 199522%0%
Sep 2483°F58°F96°F 193935°F 199522%0%
Sep 2583°F57°F99°F 193135°F 199522%0%
Sep 2683°F57°F98°F 195440°F 197522%0%
Sep 2782°F57°F99°F 195434°F 194222%0%
Sep 2882°F56°F101°F 195337°F 194222%0%
Sep 2982°F56°F102°F 195335°F 194222%0%
Sep 3081°F55°F102°F 195335°F 194222%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oppelo, 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 6:44 AM, sunset 7:38 PM
September 30
sunrise 7:05 AM, sunset 6:56 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00034938 (Morrilton), public domain. Records: NOAA GHCN-Daily, station USC00034938, 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.