Northampton County climate

Northampton County Weather in September

NOAA 1991-2020 normals for Phillipsburg-Easton Brg, 11.1 km from Northampton County

Average highs run from 81°F on September 1 to 71°F on September 30, and lows from 59°F to 50°F. Normal precipitation for the month is 4.72 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 Northampton County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
55°F
Precipitation
4.72 in
Record high
99°FSep 2, 1953
Record low
31°FSep 24, 1963
Chance of a freeze
0%
Days of 90°F or more
2.6
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
59%
Humidity
74%
Dew point
53°F
Wind
4.0 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 181°F59°F97°F 198042°F 19670%
Sep 281°F59°F99°F 195344°F 19490%
Sep 381°F59°F99°F 195341°F 19670%
Sep 480°F58°F93°F 197346°F 19870%
Sep 580°F58°F94°F 201844°F 19970%
Sep 680°F58°F96°F 198342°F 19880%
Sep 780°F57°F92°F 202343°F 19620%
Sep 880°F57°F95°F 201542°F 19620%
Sep 979°F57°F95°F 201542°F 19860%
Sep 1079°F56°F96°F 198339°F 19560%
Sep 1179°F56°F96°F 198339°F 19950%
Sep 1278°F56°F91°F 195237°F 19670%
Sep 1378°F56°F94°F 195239°F 19670%
Sep 1478°F55°F91°F 200842°F 19630%
Sep 1577°F55°F88°F 199338°F 19750%
Sep 1677°F55°F95°F 199140°F 19660%
Sep 1777°F54°F93°F 199139°F 19590%
Sep 1876°F54°F90°F 196536°F 19900%
Sep 1976°F53°F93°F 198338°F 19560%
Sep 2076°F53°F92°F 198336°F 20200%
Sep 2175°F53°F89°F 196533°F 20200%
Sep 2275°F52°F93°F 198036°F 19970%
Sep 2374°F52°F93°F 197036°F 19670%
Sep 2474°F52°F92°F 197031°F 19630%
Sep 2574°F51°F92°F 197033°F 19630%
Sep 2673°F51°F90°F 197035°F 19670%
Sep 2773°F51°F91°F 201733°F 19570%
Sep 2872°F50°F86°F 202534°F 19570%
Sep 2972°F50°F84°F 194832°F 20000%
Sep 3071°F50°F87°F 195333°F 19510%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Northampton County, 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 6:28 AM, sunset 7:33 PM
September 30
sunrise 6:57 AM, sunset 6:45 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00286979 (Phillipsburg-Easton Brg), public domain. Records: NOAA GHCN-Daily, station USW00014737, 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.