Wallkill climate

Wallkill Weather in September

NOAA 1991-2020 normals for Walden 1 Ese, 6.3 km from Wallkill

Average highs run from 80°F on September 1 to 71°F on September 30, and lows from 57°F to 45°F. Normal precipitation for the month is 4.29 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 Wallkill, 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
51°F
Precipitation
4.29 in
Record high
96°FSep 8, 2015
Record low
29°FSep 29, 2000
Chance of a freeze
11%
Daylight
13 h 07 min to 11 h 47 min
Cloud cover
55%
Humidity
74%
Dew point
55°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 180°F57°F91°F 201044°F 201728%0%
Sep 280°F56°F93°F 201040°F 201728%0%
Sep 380°F56°F92°F 201544°F 202428%0%
Sep 479°F56°F91°F 200844°F 202428%0%
Sep 579°F55°F91°F 201844°F 200028%0%
Sep 679°F55°F93°F 201841°F 200028%0%
Sep 779°F55°F93°F 201543°F 200028%0%
Sep 878°F54°F96°F 201543°F 202528%0%
Sep 978°F54°F93°F 201540°F 202428%0%
Sep 1078°F54°F90°F 200243°F 201728%0%
Sep 1177°F53°F94°F 201342°F 201228%0%
Sep 1277°F53°F93°F 200540°F 200628%0%
Sep 1377°F53°F93°F 200543°F 200228%0%
Sep 1477°F52°F91°F 200540°F 201429%0%
Sep 1576°F52°F88°F 200538°F 200129%0%
Sep 1676°F51°F86°F 201838°F 200129%0%
Sep 1776°F51°F85°F 200537°F 200729%0%
Sep 1875°F50°F84°F 200538°F 200729%0%
Sep 1975°F50°F86°F 200533°F 202029%0%
Sep 2074°F50°F83°F 199834°F 202029%0%
Sep 2174°F49°F86°F 200529°F 202030%0%
Sep 2274°F49°F88°F 200529°F 202030%0%
Sep 2373°F48°F90°F 201937°F 201430%0%
Sep 2473°F48°F89°F 201032°F 199830%0%
Sep 2573°F47°F89°F 201736°F 201330%0%
Sep 2672°F47°F90°F 200737°F 201631%0%
Sep 2772°F47°F91°F 199834°F 200031%0%
Sep 2871°F46°F87°F 201436°F 200031%0%
Sep 2971°F46°F83°F 201529°F 200031%0%
Sep 3071°F45°F77°F 202532°F 200031%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wallkill, 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 6:23 AM, sunset 7:30 PM
September 30
sunrise 6:53 AM, sunset 6:40 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00308906 (Walden 1 Ese), public domain. Records: NOAA GHCN-Daily, station USW00004789, 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.