Tinicum climate

Tinicum Weather in September

NOAA 1991-2020 normals for Bucksville, 10 km from Tinicum

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 59°F to 48°F. Normal precipitation for the month is 4.60 in over about 8 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 Tinicum, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
76°F
Average low
54°F
Precipitation
4.60 in
Record high
96°FSep 8, 2016
Record low
37°FSep 30, 2000
Chance of a freeze
4%
Days of 90°F or more
0.9
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
55%
Humidity
73%
Dew point
56°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 180°F59°F95°F 201051°F 200925%0%
Sep 280°F59°F92°F 201049°F 201725%0%
Sep 380°F58°F92°F 201850°F 202425%0%
Sep 479°F58°F95°F 202348°F 202425%0%
Sep 579°F58°F93°F 202350°F 201025%0%
Sep 679°F57°F94°F 201847°F 201025%0%
Sep 779°F57°F95°F 202346°F 201325%0%
Sep 878°F57°F96°F 201649°F 200025%0%
Sep 978°F56°F95°F 201648°F 202425%0%
Sep 1078°F56°F95°F 201649°F 201225%0%
Sep 1178°F56°F92°F 201346°F 201225%0%
Sep 1277°F55°F90°F 200548°F 200625%0%
Sep 1377°F55°F91°F 200549°F 200725%0%
Sep 1477°F55°F94°F 201644°F 201325%0%
Sep 1576°F54°F88°F 200542°F 201325%0%
Sep 1676°F54°F87°F 200543°F 200725%0%
Sep 1775°F54°F85°F 200544°F 200725%0%
Sep 1875°F53°F87°F 202146°F 200725%0%
Sep 1975°F53°F88°F 202444°F 201325%0%
Sep 2074°F52°F86°F 201742°F 202026%0%
Sep 2174°F52°F88°F 201942°F 202026%0%
Sep 2274°F52°F89°F 201942°F 202026%0%
Sep 2373°F51°F93°F 201942°F 201426%0%
Sep 2473°F51°F91°F 201742°F 201326%0%
Sep 2572°F50°F90°F 201742°F 201227%0%
Sep 2672°F50°F90°F 200741°F 200127%0%
Sep 2772°F50°F90°F 201743°F 200027%0%
Sep 2871°F49°F86°F 202544°F 200127%0%
Sep 2971°F49°F85°F 201938°F 200027%0%
Sep 3070°F48°F84°F 202537°F 200027%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Tinicum, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:28 AM, sunset 7:32 PM
September 30
sunrise 6:56 AM, sunset 6:44 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00361080 (Bucksville), public domain. Records: NOAA GHCN-Daily, station USW00054786, 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.