Plainfield climate

Plainfield Weather in September

NOAA 1991-2020 normals for Hampton, 15.3 km from Plainfield

Average highs run from 77°F on September 1 to 67°F on September 30, and lows from 56°F to 46°F. Normal precipitation for the month is 4.31 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Plainfield, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
51°F
Precipitation
4.31 in
Record high
96°FSep 8, 2015
Record low
30°FSep 22, 2020
Chance of a freeze
7%
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
54%
Humidity
76%
Dew point
56°F
Wind
5.4 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 177°F56°F92°F 201046°F 19990%
Sep 277°F55°F92°F 201039°F 20170%
Sep 376°F55°F92°F 201546°F 20240%
Sep 476°F55°F90°F 201846°F 20240%
Sep 576°F55°F89°F 202343°F 19970%
Sep 676°F54°F92°F 201843°F 20130%
Sep 775°F54°F92°F 202344°F 20000%
Sep 875°F54°F96°F 201545°F 20250%
Sep 975°F54°F93°F 201642°F 20130%
Sep 1075°F53°F89°F 201641°F 20030%
Sep 1174°F53°F92°F 201342°F 20050%
Sep 1274°F53°F90°F 200538°F 20060%
Sep 1374°F53°F89°F 200542°F 20020%
Sep 1473°F52°F90°F 201645°F 20140%
Sep 1573°F52°F84°F 201741°F 20200%
Sep 1673°F52°F85°F 201539°F 20100%
Sep 1772°F51°F87°F 201538°F 20070%
Sep 1872°F51°F85°F 201537°F 20130%
Sep 1972°F51°F82°F 200537°F 20190%
Sep 2071°F50°F84°F 201634°F 20200%
Sep 2171°F50°F84°F 201631°F 20200%
Sep 2270°F49°F85°F 201630°F 20200%
Sep 2370°F49°F87°F 201739°F 20140%
Sep 2470°F49°F92°F 201735°F 19980%
Sep 2569°F48°F90°F 201734°F 19970%
Sep 2669°F48°F87°F 200737°F 20160%
Sep 2769°F48°F88°F 201738°F 20150%
Sep 2868°F47°F84°F 201437°F 20000%
Sep 2968°F47°F83°F 201531°F 20000%
Sep 3067°F46°F79°F 202533°F 20000%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plainfield, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:14 AM, sunset 7:21 PM
September 30
sunrise 6:44 AM, sunset 6:31 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00063420 (Hampton), public domain. Records: NOAA GHCN-Daily, station USW00054767, 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.