Boone climate

Boone Weather in September

NOAA 1991-2020 normals for Boone 1 Se, 2.6 km from Boone

Average highs run from 76°F on September 1 to 68°F on September 30, and lows from 54°F to 45°F. Normal precipitation for the month is 5.73 in over about 11 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 Boone, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
50°F
Precipitation
5.73 in
Record high
88°FSep 5, 2026
Record low
30°FSep 24, 1983
Chance of a freeze
11%
Daylight
12 h 56 min to 11 h 51 min
Cloud cover
56%
Humidity
71%
Dew point
58°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 176°F54°F84°F 201040°F 198639%0%
Sep 276°F54°F84°F 202640°F 199939%0%
Sep 375°F54°F86°F 201142°F 199939%0%
Sep 475°F54°F86°F 202637°F 199738%0%
Sep 575°F53°F88°F 202636°F 199738%0%
Sep 675°F53°F86°F 202336°F 199738%0%
Sep 775°F53°F86°F 199842°F 198837%0%
Sep 874°F53°F84°F 199840°F 198837%0%
Sep 974°F52°F83°F 199837°F 202537%0%
Sep 1074°F52°F84°F 201937°F 202536%0%
Sep 1174°F52°F83°F 200238°F 202536%0%
Sep 1273°F52°F84°F 202640°F 199936%0%
Sep 1373°F51°F85°F 201944°F 200236%0%
Sep 1473°F51°F85°F 201938°F 201535%0%
Sep 1573°F51°F84°F 199833°F 198535%0%
Sep 1672°F50°F84°F 199836°F 200135%0%
Sep 1772°F50°F84°F 201933°F 200035%0%
Sep 1872°F50°F85°F 202632°F 200035%0%
Sep 1971°F49°F79°F 199832°F 200035%0%
Sep 2071°F49°F81°F 201036°F 202035%0%
Sep 2171°F49°F81°F 200534°F 202035%0%
Sep 2271°F48°F83°F 202231°F 199135%0%
Sep 2370°F48°F82°F 201034°F 198335%0%
Sep 2470°F48°F83°F 200530°F 198334%0%
Sep 2570°F47°F83°F 201632°F 198334%0%
Sep 2669°F47°F84°F 198634°F 201234%0%
Sep 2769°F47°F80°F 199835°F 200034%0%
Sep 2869°F46°F81°F 199832°F 202234%0%
Sep 2968°F46°F82°F 199832°F 202234%0%
Sep 3068°F45°F81°F 201932°F 199234%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boone, 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 6:58 AM, sunset 7:54 PM
September 30
sunrise 7:21 AM, sunset 7:12 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00310982 (Boone 1 Se), public domain. Records: NOAA GHCN-Daily, station USC00310982, 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.