Boonton climate

Boonton Weather in September

NOAA 1991-2020 normals for Boonton 1 Se, 1.5 km from Boonton

Average highs run from 82°F on September 1 to 70°F on September 30, and lows from 60°F to 48°F. Normal precipitation for the month is 4.68 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 Boonton, 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
54°F
Precipitation
4.68 in
Record high
96°FSep 7, 2023
Record low
37°FSep 29, 2000
Chance of a freeze
1%
Days of 90°F or more
1.5
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
57%
Humidity
73%
Dew point
55°F
Wind
4.3 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 201729%0%
Sep 281°F59°F94°F 201046°F 201729%0%
Sep 381°F59°F93°F 201551°F 200129%0%
Sep 481°F59°F92°F 200852°F 202429%0%
Sep 581°F59°F93°F 202349°F 200029%0%
Sep 680°F58°F95°F 201845°F 200029%0%
Sep 780°F58°F96°F 202347°F 200029%0%
Sep 880°F58°F95°F 201549°F 200029%0%
Sep 979°F57°F93°F 200248°F 201729%0%
Sep 1079°F57°F93°F 201649°F 201729%0%
Sep 1179°F56°F93°F 201347°F 201229%0%
Sep 1278°F56°F91°F 200546°F 200629%0%
Sep 1378°F56°F93°F 200546°F 200230%0%
Sep 1477°F55°F92°F 201647°F 201430%0%
Sep 1577°F55°F90°F 202144°F 200130%0%
Sep 1677°F54°F87°F 201843°F 200730%0%
Sep 1776°F54°F86°F 201543°F 200731%0%
Sep 1876°F54°F86°F 202541°F 201331%0%
Sep 1975°F53°F86°F 202445°F 200831%0%
Sep 2075°F53°F84°F 201643°F 202032%0%
Sep 2174°F52°F86°F 201641°F 202032%0%
Sep 2274°F52°F90°F 201940°F 202032%0%
Sep 2374°F51°F93°F 201943°F 201433%0%
Sep 2473°F51°F92°F 201741°F 201333%0%
Sep 2573°F51°F90°F 201742°F 201233%0%
Sep 2672°F50°F88°F 200743°F 200034%0%
Sep 2772°F50°F88°F 201739°F 200034%0%
Sep 2871°F49°F87°F 202543°F 200034%0%
Sep 2971°F49°F82°F 201537°F 200034%0%
Sep 3070°F48°F82°F 202537°F 200035%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boonton, 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 6:25 AM, sunset 7:30 PM
September 30
sunrise 6:53 AM, sunset 6:41 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00280907 (Boonton 1 Se), 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.