Weldon Spring climate

Weldon Spring Weather in September

NOAA 1991-2020 normals for Weldon Spring NWS, 1.7 km from Weldon Spring

Average highs run from 85°F on September 1 to 74°F on September 30, and lows from 62°F to 51°F. Normal precipitation for the month is 3.50 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 Weldon Spring, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
80°F
Average low
57°F
Precipitation
3.50 in
Record high
102°FSep 5, 2026
Record low
32°FSep 23, 1995
Chance of a freeze
1%
Days of 90°F or more
4.0
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 185°F62°F101°F 201148°F 200924%0%
Sep 284°F62°F99°F 201147°F 201724%0%
Sep 384°F62°F99°F 201151°F 200924%0%
Sep 484°F61°F100°F 202650°F 202424%0%
Sep 584°F61°F102°F 202648°F 198824%0%
Sep 683°F61°F100°F 199043°F 198824%0%
Sep 783°F60°F96°F 200243°F 198824%0%
Sep 883°F60°F93°F 200240°F 202424%0%
Sep 982°F60°F98°F 201341°F 202424%0%
Sep 1082°F59°F98°F 201343°F 202424%0%
Sep 1182°F59°F97°F 200045°F 201724%0%
Sep 1281°F59°F96°F 199146°F 199224%0%
Sep 1381°F58°F97°F 202543°F 201424%0%
Sep 1481°F58°F98°F 202542°F 201424%0%
Sep 1580°F57°F97°F 202640°F 200724%0%
Sep 1680°F57°F94°F 201943°F 200024%0%
Sep 1779°F57°F97°F 202641°F 199924%0%
Sep 1879°F56°F95°F 202545°F 199924%0%
Sep 1979°F56°F94°F 200040°F 199124%0%
Sep 2078°F55°F96°F 201739°F 199125%0%
Sep 2178°F55°F95°F 202236°F 199125%0%
Sep 2278°F54°F94°F 200536°F 199525%0%
Sep 2377°F54°F92°F 200732°F 199525%0%
Sep 2477°F54°F92°F 201732°F 198925%0%
Sep 2576°F53°F92°F 201734°F 198925%0%
Sep 2676°F53°F91°F 201737°F 200125%0%
Sep 2776°F52°F92°F 201940°F 198925%0%
Sep 2875°F52°F90°F 202137°F 198925%0%
Sep 2975°F52°F91°F 201936°F 199225%0%
Sep 3074°F51°F92°F 201935°F 199925%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Weldon Spring, 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 6:32 AM, sunset 7:33 PM
September 30
sunrise 6:58 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 USC00238805 (Weldon Spring NWS), public domain. Records: NOAA GHCN-Daily, station USW00003966, 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.