Rison climate

Rison Weather in September

NOAA 1991-2020 normals for Rison, 1.2 km from Rison

Average highs run from 89°F on September 1 to 81°F on September 30, and lows from 68°F to 59°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 Rison, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
85°F
Average low
64°F
Record high
104°FSep 1, 1951
Record low
38°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
9.8
Daylight
12 h 51 min to 11 h 51 min
Cloud cover
42%
Humidity
63%
Dew point
61°F
Wind
5.6 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°F68°F104°F 195155°F 19540%
Sep 288°F68°F102°F 200053°F 19670%
Sep 388°F68°F103°F 195451°F 19520%
Sep 488°F68°F102°F 195451°F 19740%
Sep 588°F67°F102°F 195451°F 20100%
Sep 687°F67°F104°F 202353°F 19530%
Sep 787°F67°F100°F 199051°F 19880%
Sep 887°F66°F100°F 201350°F 19560%
Sep 987°F66°F100°F 201349°F 20110%
Sep 1087°F66°F98°F 201351°F 19490%
Sep 1186°F66°F98°F 195349°F 19760%
Sep 1286°F65°F100°F 198049°F 19760%
Sep 1386°F65°F100°F 198050°F 19550%
Sep 1485°F65°F100°F 198046°F 19640%
Sep 1585°F64°F100°F 202650°F 19610%
Sep 1685°F64°F102°F 198046°F 19610%
Sep 1785°F64°F99°F 195347°F 19930%
Sep 1884°F63°F99°F 201949°F 19810%
Sep 1984°F63°F99°F 201047°F 19810%
Sep 2084°F62°F100°F 200548°F 19610%
Sep 2184°F62°F100°F 202249°F 19620%
Sep 2283°F62°F98°F 201046°F 19950%
Sep 2383°F61°F98°F 199345°F 19530%
Sep 2483°F61°F98°F 202245°F 19890%
Sep 2582°F61°F94°F 195444°F 20010%
Sep 2682°F60°F97°F 195441°F 20010%
Sep 2782°F60°F98°F 195342°F 20010%
Sep 2881°F59°F101°F 195344°F 19670%
Sep 2981°F59°F100°F 195338°F 19670%
Sep 3081°F59°F98°F 195340°F 19490%

Chance of rain

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

September 1
sunrise 6:43 AM, sunset 7:34 PM
September 30
sunrise 7:03 AM, sunset 6:54 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00036174 (Rison), public domain. Records: NOAA GHCN-Daily, station USW00093988, 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.