Hamilton Square climate

Hamilton Square Weather in September

NOAA 1991-2020 normals for Hightstown 2 W, 8.7 km from Hamilton Square

Average highs run from 83°F on September 1 to 73°F on September 30, and lows from 58°F to 48°F. Normal precipitation for the month is 4.15 in over about 9 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 Hamilton Square, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
78°F
Average low
54°F
Precipitation
4.15 in
Record high
97°FSep 1, 2010
Record low
36°FSep 30, 2000
Chance of a freeze
3%
Days of 90°F or more
1.9
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
55%
Humidity
76%
Dew point
59°F
Wind
8.3 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°F58°F97°F 201052°F 201730%0%
Sep 283°F58°F97°F 201050°F 200130%0%
Sep 382°F58°F94°F 201551°F 202429%0%
Sep 482°F58°F94°F 200849°F 202429%0%
Sep 582°F57°F93°F 201851°F 200029%0%
Sep 682°F57°F95°F 201849°F 200029%0%
Sep 781°F57°F93°F 199845°F 200029%0%
Sep 881°F57°F95°F 201649°F 200029%0%
Sep 981°F56°F95°F 201645°F 202429%0%
Sep 1080°F56°F97°F 201651°F 201729%0%
Sep 1180°F56°F93°F 201349°F 201229%0%
Sep 1280°F55°F91°F 200549°F 200629%0%
Sep 1380°F55°F92°F 200549°F 200229%0%
Sep 1479°F55°F93°F 201648°F 200129%0%
Sep 1579°F54°F87°F 200545°F 200129%0%
Sep 1678°F54°F89°F 199844°F 200129%0%
Sep 1778°F54°F86°F 201545°F 200730%0%
Sep 1878°F53°F86°F 201641°F 201330%0%
Sep 1977°F53°F86°F 200542°F 202030%0%
Sep 2077°F52°F84°F 200542°F 202030%0%
Sep 2177°F52°F87°F 199841°F 202030%0%
Sep 2276°F52°F90°F 201040°F 202030%0%
Sep 2376°F51°F89°F 201943°F 201430%0%
Sep 2475°F51°F92°F 201740°F 199831%0%
Sep 2575°F50°F90°F 201743°F 201231%0%
Sep 2675°F50°F91°F 200743°F 200131%0%
Sep 2774°F50°F92°F 199841°F 200031%0%
Sep 2874°F49°F85°F 202545°F 200131%0%
Sep 2973°F49°F86°F 194539°F 200031%0%
Sep 3073°F48°F81°F 202536°F 200031%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hamilton Square, 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 6:26 AM, sunset 7:30 PM
September 30
sunrise 6:54 AM, sunset 6:42 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00283951 (Hightstown 2 W), public domain. Records: NOAA GHCN-Daily, station USW00014792, 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.