Wellston climate

Wellston Weather in September

NOAA 1991-2020 normals for St Louis Sci Ctr, 5.3 km from Wellston

Average highs run from 86°F on September 1 to 76°F on September 30, and lows from 67°F to 56°F. Normal precipitation for the month is 3.41 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Wellston, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
82°F
Average low
62°F
Precipitation
3.41 in
Record high
104°FSep 1, 1984
Record low
32°FSep 28, 1942
Chance of a freeze
0%
Days of 90°F or more
5.1
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
46%
Humidity
68%
Dew point
56°F
Wind
5.1 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 186°F67°F104°F 198449°F 19490%
Sep 286°F67°F101°F 195350°F 19490%
Sep 386°F66°F101°F 201145°F 19740%
Sep 485°F66°F104°F 195442°F 19740%
Sep 585°F66°F103°F 195447°F 19740%
Sep 685°F65°F101°F 195448°F 19620%
Sep 785°F65°F101°F 193946°F 19560%
Sep 884°F65°F101°F 194742°F 19860%
Sep 984°F64°F99°F 195548°F 19430%
Sep 1084°F64°F98°F 198346°F 19760%
Sep 1183°F64°F98°F 201342°F 19400%
Sep 1283°F63°F98°F 195644°F 19400%
Sep 1383°F63°F100°F 193943°F 19750%
Sep 1482°F62°F101°F 193946°F 19490%
Sep 1582°F62°F101°F 193945°F 19610%
Sep 1682°F62°F98°F 195444°F 19660%
Sep 1781°F61°F99°F 202645°F 19430%
Sep 1881°F61°F96°F 195342°F 19730%
Sep 1980°F61°F96°F 195542°F 19380%
Sep 2080°F60°F97°F 201741°F 19910%
Sep 2180°F60°F96°F 194040°F 19830%
Sep 2279°F59°F95°F 195640°F 19740%
Sep 2379°F59°F93°F 200736°F 19740%
Sep 2479°F59°F93°F 193837°F 19420%
Sep 2578°F58°F92°F 201739°F 19420%
Sep 2678°F58°F93°F 201735°F 19400%
Sep 2777°F57°F92°F 201936°F 19400%
Sep 2877°F57°F97°F 195332°F 19420%
Sep 2977°F57°F102°F 195336°F 19420%
Sep 3076°F56°F93°F 195236°F 19490%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wellston, 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 6:30 AM, sunset 7:31 PM
September 30
sunrise 6:56 AM, sunset 6:45 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00237452 (St Louis Sci Ctr), public domain. Records: NOAA GHCN-Daily, station USW00013994, 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.