Lake Arthur Estates climate

Lake Arthur Estates Weather in September

NOAA 1991-2020 normals for Slippery Rock 1 Ssw, 13.2 km from Lake Arthur Estates

Average highs run from 78°F on September 1 to 68°F on September 30, and lows from 54°F to 45°F. Normal precipitation for the month is 4.07 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 Lake Arthur Estates, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
50°F
Precipitation
4.07 in
Record high
95°FSep 5, 2018
Record low
36°FSep 20, 2020
Chance of a freeze
9%
Days of 90°F or more
1.0
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
59%
Humidity
71%
Dew point
53°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°F54°F94°F 201248°F 202537%0%
Sep 278°F54°F93°F 202647°F 202437%0%
Sep 378°F54°F94°F 201146°F 202437%0%
Sep 477°F53°F88°F 202346°F 202437%0%
Sep 577°F53°F95°F 201849°F 201737%0%
Sep 677°F53°F92°F 201850°F 201337%0%
Sep 777°F53°F91°F 201545°F 202437%0%
Sep 876°F52°F90°F 201542°F 202537%0%
Sep 976°F52°F89°F 201642°F 202537%0%
Sep 1076°F52°F88°F 201943°F 202537%0%
Sep 1176°F51°F93°F 201342°F 201737%0%
Sep 1275°F51°F89°F 201342°F 201737%0%
Sep 1375°F51°F86°F 201947°F 201237%0%
Sep 1475°F51°F85°F 201843°F 201437%0%
Sep 1574°F50°F91°F 201544°F 202037%0%
Sep 1674°F50°F86°F 202541°F 201137%0%
Sep 1774°F50°F84°F 202544°F 201338%0%
Sep 1873°F49°F86°F 202142°F 201338%0%
Sep 1973°F49°F86°F 202140°F 202038%0%
Sep 2072°F49°F84°F 201736°F 202038%0%
Sep 2172°F48°F88°F 201837°F 202038%0%
Sep 2272°F48°F88°F 201938°F 202038%0%
Sep 2371°F47°F87°F 201638°F 202039%0%
Sep 2471°F47°F89°F 201739°F 201339%0%
Sep 2570°F47°F90°F 201739°F 201339%0%
Sep 2670°F46°F89°F 201743°F 201339%0%
Sep 2770°F46°F91°F 201744°F 202240%0%
Sep 2869°F46°F91°F 201744°F 202240%0%
Sep 2969°F45°F91°F 201741°F 202240%0%
Sep 3068°F45°F83°F 202544°F 201240%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lake Arthur Estates, 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 6:47 AM, sunset 7:53 PM
September 30
sunrise 7:16 AM, sunset 7:04 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00368184 (Slippery Rock 1 Ssw), public domain. Records: NOAA GHCN-Daily, station USC00360475, 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.