White River Junction climate

White River Junction Weather in September

NOAA 1991-2020 normals for Lebanon Muni AP, 2.8 km from White River Junction

Average highs run from 78°F on September 1 to 67°F on September 30, and lows from 53°F to 44°F. Normal precipitation for the month is 3.44 in over about 13 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 White River Junction, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
49°F
Precipitation
3.44 in
Record high
95°FSep 1, 2010
Record low
20°FSep 24, 1963
Chance of a freeze
27%
Days of 90°F or more
0.7
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
58%
Humidity
81%
Dew point
52°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 178°F53°F95°F 201038°F 197042%0%
Sep 278°F53°F94°F 201036°F 201742%0%
Sep 378°F52°F92°F 199938°F 197042%0%
Sep 477°F52°F91°F 199939°F 196342%0%
Sep 577°F52°F91°F 201834°F 200042%0%
Sep 677°F52°F93°F 202335°F 196242%0%
Sep 776°F51°F92°F 202333°F 196242%0%
Sep 876°F51°F92°F 200239°F 196242%0%
Sep 976°F51°F95°F 200236°F 201342%0%
Sep 1075°F51°F93°F 200234°F 197842%0%
Sep 1175°F50°F93°F 201334°F 196342%0%
Sep 1275°F50°F88°F 198236°F 196542%0%
Sep 1374°F50°F87°F 198232°F 196342%0%
Sep 1474°F49°F87°F 200528°F 196342%0%
Sep 1573°F49°F85°F 202431°F 196342%0%
Sep 1673°F49°F88°F 201830°F 196442%0%
Sep 1773°F48°F86°F 201834°F 201342%0%
Sep 1872°F48°F86°F 201834°F 202042%0%
Sep 1972°F48°F87°F 202429°F 202042%0%
Sep 2071°F47°F90°F 198328°F 197942%0%
Sep 2171°F47°F89°F 196527°F 196242%0%
Sep 2270°F47°F90°F 196528°F 202042%0%
Sep 2370°F46°F86°F 201727°F 196342%0%
Sep 2470°F46°F92°F 201720°F 196342%0%
Sep 2569°F46°F90°F 201724°F 196343%0%
Sep 2669°F45°F89°F 201730°F 196643%0%
Sep 2768°F45°F89°F 201726°F 196543%0%
Sep 2868°F44°F86°F 202524°F 196543%0%
Sep 2967°F44°F83°F 202525°F 200043%0%
Sep 3067°F44°F82°F 198628°F 198143%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at White River Junction, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:13 AM, sunset 7:25 PM
September 30
sunrise 6:46 AM, sunset 6:32 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094765 (Lebanon Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00094765, 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.