Holbrook climate

Holbrook Weather in September

NOAA 1991-2020 normals for Blue Hill Coop, 10.7 km from Holbrook

Average highs run from 78°F on September 1 to 67°F on September 30, and lows from 60°F to 50°F. Normal precipitation for the month is 4.06 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 Holbrook, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
56°F
Precipitation
4.06 in
Record high
96°FSep 8, 2015
Record low
27°FSep 29, 2000
Chance of a freeze
0%
Days of 90°F or more
0.5
Daylight
13 h 08 min to 11 h 47 min
Cloud cover
52%
Humidity
75%
Dew point
55°F
Wind
4.7 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 178°F60°F93°F 201041°F 199930%0%
Sep 277°F60°F94°F 201035°F 201730%0%
Sep 377°F60°F95°F 201843°F 202430%0%
Sep 477°F59°F91°F 201844°F 202430%0%
Sep 577°F59°F92°F 201839°F 200030%0%
Sep 676°F59°F95°F 201836°F 200030%0%
Sep 776°F59°F95°F 202334°F 200030%0%
Sep 876°F58°F96°F 201542°F 201330%0%
Sep 975°F58°F93°F 201636°F 201330%0%
Sep 1075°F58°F90°F 200235°F 200330%0%
Sep 1175°F57°F95°F 201336°F 200530%0%
Sep 1274°F57°F91°F 200532°F 200630%0%
Sep 1374°F57°F86°F 200535°F 200630%0%
Sep 1474°F56°F89°F 201638°F 201931%0%
Sep 1573°F56°F86°F 202134°F 201431%0%
Sep 1673°F56°F88°F 201833°F 200131%0%
Sep 1772°F55°F88°F 201533°F 200731%0%
Sep 1872°F55°F87°F 201530°F 200731%0%
Sep 1972°F55°F82°F 200531°F 201431%0%
Sep 2071°F54°F83°F 199828°F 201432%0%
Sep 2171°F54°F86°F 201929°F 202032%0%
Sep 2270°F53°F88°F 201927°F 202032%0%
Sep 2370°F53°F91°F 201932°F 201433%0%
Sep 2470°F53°F89°F 201732°F 199833%0%
Sep 2569°F52°F90°F 201732°F 200533%0%
Sep 2669°F52°F92°F 200728°F 201633%0%
Sep 2768°F51°F89°F 201730°F 201534%0%
Sep 2868°F51°F87°F 201435°F 200534%0%
Sep 2968°F51°F84°F 201527°F 200034%0%
Sep 3067°F50°F82°F 201028°F 200034%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Holbrook, 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 6:10 AM, sunset 7:18 PM
September 30
sunrise 6:40 AM, sunset 6:27 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00190736 (Blue Hill Coop), public domain. Records: NOAA GHCN-Daily, station USW00054704, 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.