Botetourt County climate

Botetourt County Weather in September

NOAA 1991-2020 normals for Buchanan, 12 km from Botetourt County

Average highs run from 83°F on September 1 to 74°F on September 30, and lows from 64°F to 54°F. Normal precipitation for the month is 4.13 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 Botetourt County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
79°F
Average low
59°F
Precipitation
4.13 in
Record high
101°FSep 1, 1953
Record low
34°FSep 24, 1983
Chance of a freeze
0%
Days of 90°F or more
3.5
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
55%
Humidity
71%
Dew point
54°F
Wind
3.4 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 183°F64°F101°F 195348°F 197624%0%
Sep 283°F63°F99°F 195346°F 196724%0%
Sep 383°F63°F98°F 195349°F 196724%0%
Sep 482°F63°F98°F 202649°F 199724%0%
Sep 582°F63°F101°F 195446°F 199724%0%
Sep 682°F62°F99°F 195446°F 198424%0%
Sep 782°F62°F99°F 195443°F 198824%0%
Sep 881°F62°F93°F 201642°F 198824%0%
Sep 981°F62°F95°F 197844°F 202524%0%
Sep 1081°F61°F97°F 198341°F 195623%0%
Sep 1181°F61°F96°F 198344°F 194923%0%
Sep 1280°F61°F97°F 201944°F 199323%0%
Sep 1380°F60°F94°F 199843°F 198523%0%
Sep 1480°F60°F94°F 195240°F 197523%0%
Sep 1579°F60°F93°F 199842°F 196423%0%
Sep 1679°F59°F97°F 199142°F 198423%0%
Sep 1779°F59°F95°F 195440°F 200023%0%
Sep 1878°F59°F94°F 195441°F 199023%0%
Sep 1978°F58°F95°F 197838°F 198423%0%
Sep 2077°F58°F90°F 195540°F 202022%0%
Sep 2177°F57°F91°F 198036°F 195622%0%
Sep 2277°F57°F94°F 197040°F 196222%0%
Sep 2376°F57°F93°F 197036°F 197622%0%
Sep 2476°F56°F93°F 201034°F 198322%0%
Sep 2576°F56°F93°F 200735°F 196322%0%
Sep 2675°F56°F93°F 201938°F 195022%0%
Sep 2775°F55°F93°F 199841°F 198922%0%
Sep 2875°F55°F92°F 199836°F 198922%0%
Sep 2974°F54°F93°F 195337°F 195122%0%
Sep 3074°F54°F91°F 195336°F 195122%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Botetourt County, 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 6:50 AM, sunset 7:48 PM
September 30
sunrise 7:14 AM, sunset 7:04 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00441121 (Buchanan), public domain. Records: NOAA GHCN-Daily, station USW00013741, 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.