Upper Montclair climate

Upper Montclair Weather in September

NOAA 1991-2020 normals for Essex Fells Service Bldg, 7.3 km from Upper Montclair

Average highs run from 82°F on September 1 to 72°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 4.53 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 Upper Montclair, 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
4.53 in
Record high
96°FSep 7, 2023
Record low
37°FSep 29, 2000
Chance of a freeze
0%
Days of 90°F or more
2.0
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
55%
Humidity
74%
Dew point
57°F
Wind
6.3 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 182°F60°F95°F 201050°F 20170%
Sep 282°F59°F94°F 201046°F 20170%
Sep 382°F59°F93°F 201551°F 20010%
Sep 482°F59°F92°F 200852°F 20240%
Sep 581°F58°F93°F 202349°F 20000%
Sep 681°F58°F95°F 201845°F 20000%
Sep 781°F58°F96°F 202347°F 20000%
Sep 880°F57°F95°F 201549°F 20000%
Sep 980°F57°F93°F 200248°F 20170%
Sep 1080°F57°F93°F 201649°F 20170%
Sep 1180°F56°F93°F 201347°F 20120%
Sep 1279°F56°F91°F 200546°F 20060%
Sep 1379°F55°F93°F 200546°F 20020%
Sep 1478°F55°F92°F 201647°F 20140%
Sep 1578°F55°F90°F 202144°F 20010%
Sep 1678°F54°F87°F 201843°F 20070%
Sep 1777°F54°F86°F 201543°F 20070%
Sep 1877°F53°F86°F 202541°F 20130%
Sep 1976°F53°F86°F 202445°F 20080%
Sep 2076°F53°F84°F 201643°F 20200%
Sep 2176°F52°F86°F 201641°F 20200%
Sep 2275°F52°F90°F 201940°F 20200%
Sep 2375°F51°F93°F 201943°F 20140%
Sep 2474°F51°F92°F 201741°F 20130%
Sep 2574°F51°F90°F 201742°F 20120%
Sep 2673°F50°F88°F 200743°F 20000%
Sep 2773°F50°F88°F 201739°F 20000%
Sep 2873°F49°F87°F 202543°F 20000%
Sep 2972°F49°F82°F 201537°F 20000%
Sep 3072°F49°F82°F 202537°F 20000%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Upper Montclair, 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 6:24 AM, sunset 7:29 PM
September 30
sunrise 6:52 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 USC00282768 (Essex Fells Service Bldg), public domain. Records: NOAA GHCN-Daily, station USW00054743, 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.