Harwick climate

Harwick Weather in September

NOAA 1991-2020 normals for Acmetonia Lock 3, 2.5 km from Harwick

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 58°F to 49°F. Normal precipitation for the month is 4.18 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 Harwick, 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
54°F
Precipitation
4.18 in
Record high
96°FSep 13, 1952
Record low
35°FSep 18, 1937
Chance of a freeze
0%
Days of 90°F or more
1.2
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
56%
Humidity
70%
Dew point
53°F
Wind
3.8 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 180°F58°F91°F 193749°F 200929%0%
Sep 279°F57°F94°F 201046°F 194929%0%
Sep 379°F57°F92°F 201146°F 194630%0%
Sep 479°F57°F92°F 201848°F 194630%0%
Sep 579°F57°F91°F 201848°F 195030%0%
Sep 679°F56°F90°F 202345°F 200030%0%
Sep 778°F56°F91°F 201047°F 201330%0%
Sep 878°F56°F92°F 194645°F 195131%0%
Sep 978°F56°F92°F 194647°F 194931%0%
Sep 1077°F55°F90°F 201345°F 194931%0%
Sep 1177°F55°F93°F 195243°F 193531%0%
Sep 1277°F55°F95°F 195247°F 193531%0%
Sep 1377°F55°F96°F 195246°F 193732%0%
Sep 1476°F54°F90°F 195243°F 201432%0%
Sep 1576°F54°F91°F 193644°F 200132%0%
Sep 1676°F54°F90°F 193639°F 200732%0%
Sep 1775°F53°F87°F 194842°F 200032%0%
Sep 1875°F53°F87°F 193535°F 193733%0%
Sep 1975°F53°F86°F 194740°F 202033%0%
Sep 2074°F53°F87°F 200240°F 202033%0%
Sep 2174°F52°F87°F 201843°F 199934%0%
Sep 2274°F52°F89°F 201040°F 199934%0%
Sep 2373°F52°F91°F 193638°F 194734%0%
Sep 2473°F51°F90°F 201040°F 195034%0%
Sep 2572°F51°F89°F 200740°F 195035%0%
Sep 2672°F51°F88°F 201739°F 194735%0%
Sep 2772°F50°F89°F 201738°F 194735%0%
Sep 2871°F50°F85°F 194638°F 194735%0%
Sep 2971°F50°F83°F 199937°F 200036%0%
Sep 3070°F49°F79°F 200236°F 193536%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harwick, 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 6:47 AM, sunset 7:51 PM
September 30
sunrise 7:15 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 USC00360022 (Acmetonia Lock 3), public domain. Records: NOAA GHCN-Daily, station USW00014762, 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.