Start climate

Start Weather in September

NOAA 1991-2020 normals for Rayville, 10.4 km from Start

Average highs run from 92°F on September 1 to 85°F on September 30, and lows from 71°F to 62°F. Normal precipitation for the month is 3.82 in over about 5 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 Start, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
67°F
Precipitation
3.82 in
Record high
107°FSep 1, 2000
Record low
35°FSep 29, 1967
Chance of a freeze
0%
Days of 90°F or more
12.8
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
43%
Humidity
65%
Dew point
64°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 192°F71°F107°F 200056°F 196721%0%
Sep 292°F71°F105°F 200051°F 196720%0%
Sep 392°F71°F103°F 200055°F 197420%0%
Sep 491°F71°F105°F 200051°F 197420%0%
Sep 591°F71°F103°F 193653°F 197420%0%
Sep 691°F70°F102°F 194753°F 195319%0%
Sep 791°F70°F102°F 201953°F 198819%0%
Sep 890°F70°F101°F 201949°F 198819%0%
Sep 990°F69°F99°F 201953°F 201118%0%
Sep 1090°F69°F99°F 198055°F 194918%0%
Sep 1190°F69°F99°F 194751°F 197618%0%
Sep 1289°F69°F100°F 198051°F 197618%0%
Sep 1389°F68°F100°F 201951°F 201517%0%
Sep 1489°F68°F100°F 193144°F 196417%0%
Sep 1589°F68°F104°F 198048°F 196417%0%
Sep 1688°F67°F100°F 199547°F 196117%0%
Sep 1788°F67°F100°F 193250°F 196116%0%
Sep 1888°F67°F102°F 201051°F 193416%0%
Sep 1988°F66°F102°F 201048°F 198116%0%
Sep 2087°F66°F102°F 200549°F 196116%0%
Sep 2187°F66°F101°F 200545°F 198316%0%
Sep 2287°F65°F99°F 193141°F 198316%0%
Sep 2387°F65°F101°F 193143°F 198215%0%
Sep 2486°F65°F101°F 193146°F 199015%0%
Sep 2586°F64°F101°F 193146°F 197515%0%
Sep 2686°F64°F97°F 193642°F 197515%0%
Sep 2786°F63°F98°F 195344°F 197515%0%
Sep 2885°F63°F101°F 195339°F 196714%0%
Sep 2985°F63°F99°F 195335°F 196714%0%
Sep 3085°F62°F97°F 195341°F 196314%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Start, 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 6:42 AM, sunset 7:32 PM
September 30
sunrise 7:01 AM, sunset 6:53 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00167691 (Rayville), public domain. Records: NOAA GHCN-Daily, station USW00013942, 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.