Macclenny climate

Macclenny Weather in September

NOAA 1991-2020 normals for Glen St Mary 1 W, 6.2 km from Macclenny

Average highs run from 91°F on September 1 to 86°F on September 30, and lows from 71°F to 65°F. Normal precipitation for the month is 5.84 in over about 10 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 Macclenny, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
68°F
Precipitation
5.84 in
Record high
103°FSep 24, 2021
Record low
51°FSep 30, 2009
Chance of a freeze
0%
Days of 90°F or more
11.1
Daylight
12 h 46 min to 11 h 54 min
Cloud cover
59%
Humidity
81%
Dew point
71°F
Wind
4.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 191°F71°F95°F 201470°F 201039%
Sep 291°F71°F95°F 201463°F 201139%
Sep 390°F70°F96°F 202064°F 201139%
Sep 490°F70°F96°F 202064°F 202338%
Sep 590°F70°F98°F 202060°F 202338%
Sep 690°F70°F96°F 202366°F 201138%
Sep 790°F70°F97°F 201962°F 201137%
Sep 890°F70°F97°F 201958°F 201137%
Sep 990°F70°F97°F 201959°F 201137%
Sep 1090°F70°F96°F 201067°F 201136%
Sep 1190°F69°F96°F 201066°F 201136%
Sep 1289°F69°F95°F 201063°F 201136%
Sep 1389°F69°F94°F 200762°F 201136%
Sep 1489°F69°F95°F 201163°F 201135%
Sep 1589°F69°F95°F 201161°F 201035%
Sep 1689°F69°F95°F 201863°F 201035%
Sep 1789°F68°F96°F 201965°F 201035%
Sep 1889°F68°F94°F 201865°F 200734%
Sep 1988°F68°F101°F 202159°F 202334%
Sep 2088°F68°F95°F 201760°F 201034%
Sep 2188°F68°F92°F 201763°F 201434%
Sep 2288°F67°F93°F 202261°F 202433%
Sep 2388°F67°F91°F 201057°F 202333%
Sep 2488°F67°F103°F 202159°F 201933%
Sep 2587°F66°F96°F 201954°F 200832%
Sep 2687°F66°F97°F 201962°F 200832%
Sep 2787°F66°F96°F 201757°F 200831%
Sep 2887°F66°F95°F 201756°F 200831%
Sep 2987°F65°F95°F 201755°F 200931%
Sep 3086°F65°F91°F 201951°F 200930%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Macclenny, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:05 AM, sunset 7:51 PM
September 30
sunrise 7:21 AM, sunset 7:15 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00083470 (Glen St Mary 1 W), public domain. Records: NOAA GHCN-Daily, station USW00063890, 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.