North Windham climate

North Windham Weather in September

NOAA 1991-2020 normals for Windham 2NW, 3.4 km from North Windham

Average highs run from 77°F on September 1 to 65°F on September 30, and lows from 56°F to 46°F. Normal precipitation for the month is 4.10 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at North Windham, 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
52°F
Precipitation
4.10 in
Record high
95°FSep 7, 1945
Record low
23°FSep 30, 1941
Chance of a freeze
2%
Days of 90°F or more
0.6
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
57%
Humidity
79%
Dew point
53°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°F56°F93°F 196939°F 20020%
Sep 277°F56°F94°F 195341°F 19490%
Sep 377°F56°F93°F 197339°F 19580%
Sep 477°F56°F88°F 200839°F 19870%
Sep 576°F55°F90°F 197140°F 19650%
Sep 676°F55°F92°F 201840°F 19890%
Sep 776°F55°F95°F 194533°F 19620%
Sep 875°F54°F93°F 196034°F 19550%
Sep 975°F54°F93°F 200237°F 19520%
Sep 1075°F54°F89°F 200237°F 19530%
Sep 1174°F53°F95°F 198335°F 19630%
Sep 1274°F53°F91°F 194736°F 19580%
Sep 1373°F53°F86°F 195234°F 19540%
Sep 1473°F52°F88°F 199328°F 19630%
Sep 1572°F52°F90°F 199329°F 19630%
Sep 1672°F52°F90°F 194128°F 19640%
Sep 1771°F51°F88°F 194130°F 19480%
Sep 1871°F51°F90°F 195532°F 19500%
Sep 1971°F51°F87°F 194631°F 19560%
Sep 2070°F50°F87°F 198527°F 19640%
Sep 2170°F50°F91°F 197830°F 19560%
Sep 2269°F49°F89°F 196527°F 19620%
Sep 2369°F49°F89°F 201931°F 19550%
Sep 2468°F49°F88°F 195928°F 19530%
Sep 2568°F48°F88°F 197029°F 19630%
Sep 2667°F48°F90°F 200727°F 19500%
Sep 2767°F47°F84°F 201429°F 19550%
Sep 2866°F47°F85°F 202526°F 19650%
Sep 2966°F47°F85°F 194527°F 19470%
Sep 3065°F46°F85°F 194823°F 19410%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at North Windham, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:05 AM, sunset 7:17 PM
September 30
sunrise 6:38 AM, sunset 6:24 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00179720 (Windham 2NW), public domain. Records: NOAA GHCN-Daily, station USW00014764, 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.