Wallingford climate

Wallingford Weather in September

NOAA 1991-2020 normals for Meriden Markham Muni AP, 5.9 km from Wallingford

Average highs run from 80°F on September 1 to 70°F on September 30, and lows from 58°F to 48°F. Normal precipitation for the month is 4.28 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 Wallingford, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
75°F
Average low
54°F
Precipitation
4.28 in
Record high
97°FSep 8, 2015
Record low
33°FSep 22, 2020
Chance of a freeze
2%
Days of 90°F or more
1.0
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
53%
Humidity
74%
Dew point
55°F
Wind
4.3 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°F58°F93°F 201045°F 200936%0%
Sep 280°F58°F92°F 201540°F 201736%0%
Sep 380°F58°F92°F 201546°F 202436%0%
Sep 479°F58°F92°F 201848°F 202436%0%
Sep 579°F57°F92°F 202346°F 200037%0%
Sep 679°F57°F94°F 201844°F 200037%0%
Sep 779°F57°F94°F 202342°F 200037%0%
Sep 878°F56°F97°F 201545°F 202537%0%
Sep 978°F56°F92°F 201642°F 201337%0%
Sep 1078°F56°F90°F 201645°F 200337%0%
Sep 1177°F55°F93°F 201342°F 201237%0%
Sep 1277°F55°F93°F 200541°F 200637%0%
Sep 1377°F55°F92°F 200544°F 200238%0%
Sep 1476°F54°F91°F 201646°F 201438%0%
Sep 1576°F54°F84°F 201542°F 200138%0%
Sep 1676°F54°F87°F 201539°F 200138%0%
Sep 1775°F53°F89°F 201540°F 200038%0%
Sep 1875°F53°F86°F 201538°F 201338%0%
Sep 1974°F53°F88°F 202438°F 201938%0%
Sep 2074°F52°F85°F 201637°F 202039%0%
Sep 2174°F52°F85°F 201635°F 202039%0%
Sep 2273°F51°F86°F 201633°F 202039%0%
Sep 2373°F51°F87°F 201739°F 201439%0%
Sep 2472°F51°F92°F 201738°F 202239%0%
Sep 2572°F50°F89°F 201739°F 201240%0%
Sep 2671°F50°F88°F 200739°F 201640%0%
Sep 2771°F49°F89°F 201735°F 200040%0%
Sep 2871°F49°F84°F 201436°F 200040%0%
Sep 2970°F49°F83°F 201533°F 200040%0%
Sep 3070°F48°F81°F 202534°F 200041%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Wallingford, 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 6:18 AM, sunset 7:24 PM
September 30
sunrise 6:47 AM, sunset 6:35 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054788 (Meriden Markham Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00054788, 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.