Brooklyn climate

Brooklyn Weather in September

NOAA 1991-2020 normals for Tipton 2WNW, 14.2 km from Brooklyn

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 55°F to 44°F. Normal precipitation for the month is 3.09 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 Brooklyn, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
50°F
Precipitation
3.09 in
Record high
100°FSep 8, 1978
Record low
27°FSep 28, 1991
Chance of a freeze
15%
Days of 90°F or more
1.6
Daylight
13 h 08 min to 11 h 47 min
Cloud cover
53%
Humidity
72%
Dew point
54°F
Wind
8.9 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°F55°F96°F 195341°F 19670%
Sep 280°F54°F97°F 195341°F 19580%
Sep 380°F54°F94°F 197343°F 19740%
Sep 479°F54°F91°F 197338°F 19740%
Sep 579°F53°F95°F 195440°F 19840%
Sep 679°F53°F94°F 195435°F 19620%
Sep 779°F53°F94°F 197836°F 19860%
Sep 878°F52°F100°F 197835°F 20250%
Sep 978°F52°F92°F 198338°F 19790%
Sep 1078°F52°F96°F 197840°F 19670%
Sep 1178°F51°F93°F 197837°F 19930%
Sep 1277°F51°F94°F 195235°F 19550%
Sep 1377°F51°F93°F 195233°F 19640%
Sep 1477°F50°F90°F 197633°F 19750%
Sep 1576°F50°F87°F 197036°F 19530%
Sep 1676°F50°F93°F 195535°F 20070%
Sep 1776°F49°F92°F 195530°F 19590%
Sep 1875°F49°F92°F 195536°F 19560%
Sep 1975°F48°F92°F 195532°F 20200%
Sep 2074°F48°F93°F 197830°F 19560%
Sep 2174°F48°F93°F 201730°F 19910%
Sep 2274°F47°F92°F 201733°F 19950%
Sep 2373°F47°F93°F 201730°F 19950%
Sep 2473°F46°F92°F 201728°F 19760%
Sep 2572°F46°F91°F 201731°F 19910%
Sep 2672°F45°F90°F 199835°F 19650%
Sep 2771°F45°F87°F 199930°F 19890%
Sep 2871°F45°F86°F 199927°F 19910%
Sep 2970°F44°F95°F 195329°F 19510%
Sep 3070°F44°F83°F 200233°F 19930%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brooklyn, 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 7:03 AM, sunset 8:11 PM
September 30
sunrise 7:33 AM, sunset 7:20 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00208202 (Tipton 2WNW), public domain. Records: NOAA GHCN-Daily, station USW00014833, 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.