Towamensing Trails climate

Towamensing Trails Weather in September

NOAA 1991-2020 normals for Francis E Walter Dam, 17.1 km from Towamensing Trails

Average highs run from 75°F on September 1 to 65°F on September 30, and lows from 54°F to 44°F. Normal precipitation for the month is 5.24 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 Towamensing Trails, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
49°F
Precipitation
5.24 in
Record high
89°FSep 2, 2010
Record low
27°FSep 29, 2000
Chance of a freeze
28%
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
59%
Humidity
74%
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 175°F54°F88°F 201039°F 20170%
Sep 275°F53°F89°F 201036°F 20170%
Sep 375°F53°F86°F 201843°F 20240%
Sep 474°F53°F84°F 200842°F 20240%
Sep 574°F52°F85°F 201841°F 20240%
Sep 674°F52°F88°F 201839°F 20130%
Sep 774°F52°F85°F 201538°F 20000%
Sep 873°F52°F88°F 201541°F 20250%
Sep 973°F51°F86°F 200239°F 20130%
Sep 1073°F51°F87°F 200242°F 20030%
Sep 1172°F51°F89°F 201339°F 20120%
Sep 1272°F50°F83°F 200540°F 20060%
Sep 1372°F50°F83°F 200541°F 20020%
Sep 1472°F50°F82°F 200838°F 20130%
Sep 1571°F49°F81°F 200536°F 20130%
Sep 1671°F49°F79°F 200538°F 20070%
Sep 1770°F49°F79°F 201536°F 20070%
Sep 1870°F48°F78°F 201835°F 20130%
Sep 1970°F48°F78°F 202433°F 20200%
Sep 2069°F47°F80°F 201732°F 20200%
Sep 2169°F47°F80°F 201731°F 20200%
Sep 2269°F47°F82°F 201030°F 20200%
Sep 2368°F46°F82°F 201740°F 20220%
Sep 2468°F46°F85°F 201038°F 20130%
Sep 2567°F46°F84°F 201737°F 20160%
Sep 2667°F45°F85°F 200735°F 20160%
Sep 2767°F45°F84°F 201737°F 20000%
Sep 2866°F45°F80°F 202536°F 20000%
Sep 2966°F44°F73°F 201527°F 20000%
Sep 3065°F44°F76°F 202532°F 20000%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Towamensing Trails, 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 6:29 AM, sunset 7:35 PM
September 30
sunrise 6:58 AM, sunset 6:46 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00363018 (Francis E Walter Dam), public domain. Records: NOAA GHCN-Daily, station USW00054789, 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.