Alpha climate

Alpha Weather in September

NOAA 1991-2020 normals for Phillipsburg-Easton Brg, 4.8 km from Alpha

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 Alpha, in °F, with the record for each date.20406080100120151015202530
  • 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
105°FSep 2, 1953
Record low
27°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
55%
Humidity
73%
Dew point
56°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°F99°F 189838°F 19760%
Sep 281°F59°F105°F 195341°F 19490%
Sep 381°F59°F100°F 198038°F 19670%
Sep 480°F58°F99°F 192940°F 19670%
Sep 580°F58°F98°F 196444°F 19510%
Sep 680°F58°F96°F 194340°F 19090%
Sep 780°F57°F95°F 191939°F 19620%
Sep 880°F57°F97°F 193937°F 19620%
Sep 979°F57°F96°F 201539°F 19510%
Sep 1079°F56°F98°F 193136°F 19560%
Sep 1179°F56°F100°F 193135°F 19170%
Sep 1278°F56°F98°F 196434°F 19670%
Sep 1378°F56°F94°F 195235°F 19670%
Sep 1478°F55°F94°F 193139°F 19110%
Sep 1577°F55°F95°F 192734°F 19750%
Sep 1677°F55°F95°F 194136°F 19640%
Sep 1777°F54°F94°F 199135°F 19500%
Sep 1876°F54°F92°F 191431°F 19590%
Sep 1976°F53°F93°F 190633°F 19590%
Sep 2076°F53°F91°F 198334°F 19590%
Sep 2175°F53°F97°F 191431°F 19560%
Sep 2275°F52°F99°F 191431°F 19040%
Sep 2374°F52°F94°F 191433°F 19040%
Sep 2474°F52°F93°F 197027°F 19630%
Sep 2574°F51°F93°F 197027°F 19630%
Sep 2673°F51°F91°F 190030°F 19630%
Sep 2773°F51°F91°F 200728°F 19570%
Sep 2872°F50°F90°F 201727°F 19570%
Sep 2972°F50°F91°F 194531°F 19570%
Sep 3071°F50°F90°F 190527°F 19510%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alpha, 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 6:56 AM, sunset 6:44 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 USC00283029, 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.