South Charleston climate

South Charleston Weather in September

NOAA 1991-2020 normals for London Fish Hatchery, 13.3 km from South Charleston

Average highs run from 79°F on September 1 to 71°F on September 30, and lows from 58°F to 47°F. Normal precipitation for the month is 2.91 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 South Charleston, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
53°F
Precipitation
2.91 in
Record high
97°FSep 3, 2011
Record low
29°FSep 23, 1974
Chance of a freeze
4%
Days of 90°F or more
1.6
Daylight
13 h 03 min to 11 h 48 min
Cloud cover
50%
Humidity
69%
Dew point
54°F
Wind
8.1 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 179°F58°F95°F 201045°F 198722%0%
Sep 279°F58°F95°F 201144°F 199422%0%
Sep 379°F57°F97°F 201144°F 197622%0%
Sep 479°F57°F96°F 201140°F 199722%0%
Sep 579°F57°F93°F 199940°F 197422%0%
Sep 679°F57°F93°F 200738°F 198422%0%
Sep 778°F56°F94°F 199840°F 198822%0%
Sep 878°F56°F94°F 200240°F 202422%0%
Sep 978°F56°F95°F 200240°F 199822%0%
Sep 1078°F55°F93°F 200240°F 199822%0%
Sep 1177°F55°F95°F 198340°F 197022%0%
Sep 1277°F54°F93°F 201940°F 197022%0%
Sep 1377°F54°F93°F 201936°F 197522%0%
Sep 1477°F54°F93°F 201933°F 197522%0%
Sep 1576°F53°F94°F 199834°F 197522%0%
Sep 1676°F53°F90°F 202638°F 200722%0%
Sep 1776°F52°F91°F 202636°F 198422%0%
Sep 1875°F52°F87°F 202538°F 198422%0%
Sep 1975°F52°F90°F 198337°F 197322%0%
Sep 2075°F51°F90°F 198337°F 199122%0%
Sep 2174°F51°F91°F 201834°F 199122%0%
Sep 2274°F50°F92°F 202433°F 197622%0%
Sep 2374°F50°F90°F 197029°F 197422%0%
Sep 2473°F49°F91°F 201029°F 197422%0%
Sep 2573°F49°F93°F 200731°F 198322%0%
Sep 2672°F49°F88°F 200735°F 198322%0%
Sep 2772°F48°F88°F 199835°F 199122%0%
Sep 2872°F48°F88°F 199834°F 198922%0%
Sep 2971°F47°F89°F 199932°F 197022%0%
Sep 3071°F47°F88°F 198633°F 199222%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at South Charleston, 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 (EDT).

September 1
sunrise 7:03 AM, sunset 8:06 PM
September 30
sunrise 7:30 AM, sunset 7:18 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00334681 (London Fish Hatchery), public domain. Records: NOAA GHCN-Daily, station USC00337935, 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.