Middletown climate

Middletown Weather in September

NOAA 1991-2020 normals for Newport State AP, 1.6 km from Middletown

Average highs run from 77°F on September 1 to 68°F on September 30, and lows from 61°F to 52°F. Normal precipitation for the month is 3.44 in over about 10 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 Middletown, 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
57°F
Precipitation
3.44 in
Record high
91°FSep 9, 2016
Record low
39°FSep 22, 1997
Chance of a freeze
0%
Daylight
13 h 07 min to 11 h 48 min
Cloud cover
54%
Humidity
78%
Dew point
58°F
Wind
7.4 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°F61°F90°F 201051°F 201733%0%
Sep 276°F61°F86°F 201046°F 201733%0%
Sep 376°F61°F86°F 201550°F 202433%0%
Sep 476°F61°F88°F 201851°F 202433%0%
Sep 576°F60°F87°F 202348°F 200033%0%
Sep 675°F60°F86°F 201848°F 200033%0%
Sep 775°F60°F88°F 202346°F 200033%0%
Sep 875°F60°F87°F 201552°F 202533%0%
Sep 975°F59°F91°F 201647°F 200333%0%
Sep 1074°F59°F83°F 202246°F 200334%0%
Sep 1174°F59°F85°F 201349°F 200634%0%
Sep 1274°F58°F83°F 200546°F 200634%0%
Sep 1373°F58°F81°F 200046°F 200634%0%
Sep 1473°F58°F80°F 201651°F 200134%0%
Sep 1573°F58°F83°F 200847°F 200134%0%
Sep 1672°F57°F80°F 201545°F 200134%0%
Sep 1772°F57°F80°F 201543°F 201335%0%
Sep 1872°F57°F79°F 201543°F 201335%0%
Sep 1971°F56°F80°F 202544°F 202035%0%
Sep 2071°F56°F81°F 200045°F 202035%0%
Sep 2171°F55°F83°F 201644°F 202035%0%
Sep 2270°F55°F80°F 201639°F 199735%0%
Sep 2370°F55°F82°F 200543°F 199836%0%
Sep 2470°F54°F82°F 201741°F 199836%0%
Sep 2569°F54°F80°F 201743°F 199736%0%
Sep 2669°F54°F81°F 201143°F 201636%0%
Sep 2769°F53°F82°F 201445°F 199636%0%
Sep 2868°F53°F80°F 201444°F 200037%0%
Sep 2968°F53°F77°F 201539°F 200037%0%
Sep 3068°F52°F75°F 202540°F 200037%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Middletown, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:11 AM, sunset 7:18 PM
September 30
sunrise 6:41 AM, sunset 6:29 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014787 (Newport State AP), public domain. Records: NOAA GHCN-Daily, station USW00014787, 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.