Penhook climate

Penhook Weather in September

NOAA 1991-2020 normals for Rocky Mt, 23.8 km from Penhook

Average highs run from 83°F on September 1 to 74°F on September 30, and lows from 60°F to 51°F. Normal precipitation for the month is 5.00 in over about 10 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 Penhook, 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
56°F
Precipitation
5.00 in
Record high
101°FSep 1, 1953
Record low
34°FSep 24, 1983
Chance of a freeze
0%
Days of 90°F or more
2.3
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
55%
Humidity
71%
Dew point
58°F
Wind
3.6 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°F60°F101°F 195348°F 197635%0%
Sep 283°F60°F99°F 195346°F 196734%0%
Sep 382°F60°F98°F 195349°F 196734%0%
Sep 482°F60°F98°F 202649°F 199734%0%
Sep 582°F59°F101°F 195446°F 199734%0%
Sep 682°F59°F99°F 195446°F 198434%0%
Sep 781°F59°F99°F 195443°F 198833%0%
Sep 881°F59°F93°F 201642°F 198833%0%
Sep 981°F58°F95°F 197844°F 202533%0%
Sep 1080°F58°F97°F 198341°F 195633%0%
Sep 1180°F58°F96°F 198344°F 194933%0%
Sep 1280°F57°F97°F 201944°F 199332%0%
Sep 1379°F57°F94°F 199843°F 198532%0%
Sep 1479°F57°F94°F 195240°F 197532%0%
Sep 1579°F56°F93°F 199842°F 196432%0%
Sep 1679°F56°F97°F 199142°F 198432%0%
Sep 1778°F56°F95°F 195440°F 200032%0%
Sep 1878°F55°F94°F 195441°F 199032%0%
Sep 1978°F55°F95°F 197838°F 198432%0%
Sep 2077°F55°F90°F 195540°F 202032%0%
Sep 2177°F54°F91°F 198036°F 195632%0%
Sep 2277°F54°F94°F 197040°F 196232%0%
Sep 2376°F54°F93°F 197036°F 197632%0%
Sep 2476°F53°F93°F 201034°F 198332%0%
Sep 2576°F53°F93°F 200735°F 196332%0%
Sep 2675°F52°F93°F 201938°F 195032%0%
Sep 2775°F52°F93°F 199841°F 198932%0%
Sep 2875°F52°F92°F 199836°F 198932%0%
Sep 2975°F51°F93°F 195337°F 195131%0%
Sep 3074°F51°F91°F 195336°F 195131%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Penhook, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:49 AM, sunset 7:47 PM
September 30
sunrise 7:13 AM, sunset 7:03 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00447338 (Rocky Mt), 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.