Brooks climate

Brooks Weather in September

NOAA 1991-2020 normals for Belfast, 20.2 km from Brooks

Average highs run from 74°F on September 1 to 64°F on September 30, and lows from 53°F to 43°F. Normal precipitation for the month is 4.09 in over about 7 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 Brooks, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
70°F
Average low
48°F
Precipitation
4.09 in
Record high
97°FSep 9, 2002
Record low
23°FSep 29, 2000
Chance of a freeze
25%
Daylight
13 h 14 min to 11 h 46 min
Cloud cover
57%
Humidity
79%
Dew point
53°F
Wind
5.4 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 174°F53°F95°F 201037°F 200223%0%
Sep 274°F52°F94°F 201040°F 199123%0%
Sep 374°F52°F93°F 199938°F 199223%0%
Sep 473°F52°F91°F 197139°F 198723%0%
Sep 573°F52°F92°F 198336°F 196323%0%
Sep 673°F51°F90°F 198333°F 200023%0%
Sep 773°F51°F90°F 198338°F 196224%0%
Sep 872°F51°F92°F 196039°F 197824%0%
Sep 972°F50°F97°F 200235°F 201824%0%
Sep 1072°F50°F95°F 200236°F 197824%0%
Sep 1171°F50°F91°F 196136°F 199524%0%
Sep 1271°F49°F84°F 200535°F 196724%0%
Sep 1371°F49°F83°F 197436°F 196324%0%
Sep 1470°F49°F85°F 201731°F 196324%0%
Sep 1570°F48°F84°F 199334°F 196324%0%
Sep 1670°F48°F84°F 197133°F 195924%0%
Sep 1769°F48°F88°F 199133°F 200725%0%
Sep 1869°F47°F87°F 199235°F 195925%0%
Sep 1969°F47°F87°F 196830°F 201425%0%
Sep 2068°F47°F86°F 198528°F 202025%0%
Sep 2168°F46°F90°F 196526°F 202025%0%
Sep 2267°F46°F90°F 196531°F 197326%0%
Sep 2367°F46°F85°F 201731°F 200826%0%
Sep 2467°F45°F89°F 201728°F 196326%0%
Sep 2566°F45°F88°F 201730°F 199227%0%
Sep 2666°F45°F91°F 200729°F 200927%0%
Sep 2765°F44°F84°F 201731°F 200027%0%
Sep 2865°F44°F84°F 201427°F 196527%0%
Sep 2964°F43°F80°F 201023°F 200028%0%
Sep 3064°F43°F81°F 198629°F 196528%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brooks, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 5:59 AM, sunset 7:13 PM
September 30
sunrise 6:33 AM, sunset 6:19 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00170480 (Belfast), public domain. Records: NOAA GHCN-Daily, station USW00014606, 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.