Caledonia County climate

Caledonia County Weather in September

NOAA 1991-2020 normals for Saint Johnsbury, 8.2 km from Caledonia County

Average highs run from 77°F on September 1 to 66°F on September 30, and lows from 54°F to 44°F. Normal precipitation for the month is 3.37 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 Caledonia County, 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
49°F
Precipitation
3.37 in
Record high
95°FSep 16, 1939
Record low
22°FSep 23, 1904
Chance of a freeze
36%
Daylight
13 h 14 min to 11 h 46 min
Cloud cover
61%
Humidity
83%
Dew point
50°F
Wind
4.0 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 177°F54°F92°F 195334°F 190437%0%
Sep 277°F54°F92°F 195336°F 189637%0%
Sep 377°F54°F91°F 191334°F 197037%0%
Sep 476°F53°F91°F 190334°F 194637%0%
Sep 576°F53°F90°F 196133°F 189637%0%
Sep 676°F53°F90°F 202333°F 193837%0%
Sep 776°F52°F92°F 194533°F 194237%0%
Sep 875°F52°F92°F 194533°F 190337%0%
Sep 975°F52°F92°F 200231°F 193837%0%
Sep 1075°F51°F92°F 200228°F 191337%0%
Sep 1174°F51°F93°F 193128°F 191837%0%
Sep 1274°F51°F89°F 193126°F 191737%0%
Sep 1374°F50°F92°F 194828°F 194637%0%
Sep 1473°F50°F87°F 190328°F 191137%0%
Sep 1573°F50°F94°F 191526°F 191338%
Sep 1672°F49°F95°F 193928°F 189938%
Sep 1772°F49°F89°F 193929°F 194838%
Sep 1872°F49°F89°F 194230°F 194338%
Sep 1971°F48°F87°F 195528°F 202038%
Sep 2071°F48°F88°F 194628°F 190838%
Sep 2170°F47°F87°F 196526°F 192939%
Sep 2270°F47°F90°F 191427°F 190439%
Sep 2369°F47°F90°F 191422°F 190439%
Sep 2469°F46°F89°F 192023°F 196340%
Sep 2568°F46°F91°F 201725°F 190640%
Sep 2668°F46°F91°F 201724°F 190940%
Sep 2768°F45°F90°F 201722°F 194741%
Sep 2867°F45°F87°F 201722°F 194741%
Sep 2967°F44°F83°F 201424°F 191441%
Sep 3066°F44°F85°F 192722°F 194141%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Caledonia County, 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 6:11 AM, sunset 7:25 PM
September 30
sunrise 6:45 AM, sunset 6:31 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00437054 (Saint Johnsbury), public domain. Records: NOAA GHCN-Daily, station USC00437054, 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.