Moriches climate

Moriches Weather in September

NOAA 1991-2020 normals for Shirley Brookhaven AP, 4.4 km from Moriches

Average highs run from 79°F on September 1 to 69°F on September 30, and lows from 62°F to 52°F. Normal precipitation for the month is 3.90 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 Moriches, 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
57°F
Precipitation
3.90 in
Record high
93°FSep 6, 2023
Record low
36°FSep 30, 2000
Chance of a freeze
0%
Daylight
13 h 05 min to 11 h 48 min
Cloud cover
53%
Humidity
76%
Dew point
59°F
Wind
8.3 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 179°F62°F92°F 201051°F 200935%0%
Sep 279°F62°F87°F 201448°F 201735%0%
Sep 378°F61°F89°F 201547°F 200135%0%
Sep 478°F61°F91°F 201849°F 202435%0%
Sep 578°F61°F92°F 202346°F 200035%0%
Sep 678°F61°F93°F 202346°F 200035%0%
Sep 777°F60°F93°F 202342°F 200035%0%
Sep 877°F60°F88°F 201549°F 200035%0%
Sep 977°F60°F90°F 201645°F 201335%0%
Sep 1076°F59°F86°F 202647°F 200335%0%
Sep 1176°F59°F84°F 201348°F 200636%0%
Sep 1276°F59°F87°F 200543°F 200636%0%
Sep 1375°F58°F88°F 200545°F 200636%0%
Sep 1475°F58°F84°F 202449°F 201436%0%
Sep 1575°F58°F83°F 200845°F 200136%0%
Sep 1674°F57°F84°F 201542°F 200136%0%
Sep 1774°F57°F83°F 201543°F 201337%0%
Sep 1874°F57°F83°F 202140°F 201337%0%
Sep 1973°F56°F84°F 202443°F 202037%0%
Sep 2073°F56°F81°F 202242°F 202037%0%
Sep 2173°F55°F81°F 200541°F 202037%0%
Sep 2272°F55°F83°F 200540°F 202038%0%
Sep 2372°F55°F87°F 200543°F 201438%0%
Sep 2472°F54°F89°F 201744°F 201338%0%
Sep 2571°F54°F85°F 201743°F 200538%0%
Sep 2671°F54°F84°F 201742°F 201639%0%
Sep 2770°F53°F87°F 201742°F 200039%0%
Sep 2870°F53°F80°F 201541°F 200039%0%
Sep 2970°F52°F82°F 201537°F 200039%0%
Sep 3069°F52°F78°F 202536°F 200040%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Moriches, 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 6:18 AM, sunset 7:23 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 USW00054790 (Shirley Brookhaven AP), public domain. Records: NOAA GHCN-Daily, station USW00054790, 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.