Quincy climate

Quincy Weather in September

NOAA 1991-2020 normals for Quincy 3 Ssw, 4.1 km from Quincy

Average highs run from 90°F on September 1 to 85°F on September 30, and lows from 70°F to 64°F. Normal precipitation for the month is 6.09 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 Quincy, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
88°F
Average low
67°F
Precipitation
6.09 in
Record high
98°FSep 3, 2024
Record low
48°FSep 20, 1981
Chance of a freeze
0%
Days of 90°F or more
10.8
Daylight
12 h 46 min to 11 h 54 min
Cloud cover
50%
Humidity
78%
Dew point
69°F
Wind
3.8 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 190°F70°F95°F 199865°F 19680%
Sep 290°F70°F96°F 201460°F 19680%
Sep 390°F70°F98°F 202460°F 19680%
Sep 490°F70°F94°F 197064°F 19680%
Sep 590°F70°F95°F 199061°F 19940%
Sep 689°F69°F93°F 198363°F 19940%
Sep 789°F69°F94°F 198055°F 20110%
Sep 889°F69°F96°F 199054°F 20110%
Sep 989°F69°F95°F 199055°F 20110%
Sep 1089°F69°F95°F 197860°F 20120%
Sep 1189°F69°F94°F 198355°F 19690%
Sep 1289°F68°F96°F 200258°F 20050%
Sep 1389°F68°F96°F 201058°F 19690%
Sep 1488°F68°F96°F 199153°F 20150%
Sep 1588°F68°F96°F 199154°F 20150%
Sep 1688°F68°F97°F 197257°F 20010%
Sep 1788°F67°F96°F 199058°F 20010%
Sep 1888°F67°F95°F 197254°F 20010%
Sep 1988°F67°F95°F 197252°F 19810%
Sep 2087°F67°F95°F 197248°F 19810%
Sep 2187°F66°F96°F 201053°F 19810%
Sep 2287°F66°F98°F 199751°F 19830%
Sep 2387°F66°F96°F 199051°F 19820%
Sep 2487°F66°F94°F 197851°F 19820%
Sep 2586°F65°F93°F 198050°F 19900%
Sep 2686°F65°F94°F 202551°F 19750%
Sep 2786°F65°F94°F 197249°F 19750%
Sep 2886°F64°F95°F 197249°F 20010%
Sep 2986°F64°F94°F 197252°F 19830%
Sep 3085°F64°F95°F 197248°F 19700%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Quincy, 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 7:15 AM, sunset 8:01 PM
September 30
sunrise 7:31 AM, sunset 7:25 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00087429 (Quincy 3 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00087429, 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.