Harvey climate

Harvey Weather in September

NOAA 1991-2020 normals for Harvey 4NE, 6.1 km from Harvey

Average highs run from 76°F on September 1 to 64°F on September 30, and lows from 50°F to 39°F. Normal precipitation for the month is 1.84 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Harvey, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
71°F
Average low
45°F
Precipitation
1.84 in
Record high
103°FSep 3, 2015
Record low
23°FSep 22, 2012
Chance of a freeze
70%
Days of 90°F or more
1.0
Daylight
13 h 22 min to 11 h 43 min
Cloud cover
56%
Humidity
61%
Dew point
43°F
Wind
11.0 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 176°F50°F95°F 200734°F 20230%
Sep 276°F49°F99°F 198334°F 20230%
Sep 375°F49°F103°F 201535°F 20250%
Sep 475°F49°F94°F 199535°F 19840%
Sep 575°F49°F101°F 200138°F 19880%
Sep 674°F48°F92°F 200332°F 19860%
Sep 774°F48°F96°F 199131°F 20200%
Sep 874°F48°F95°F 200328°F 20200%
Sep 973°F47°F96°F 200331°F 20200%
Sep 1073°F47°F98°F 198233°F 19890%
Sep 1173°F46°F96°F 201731°F 19840%
Sep 1272°F46°F86°F 199033°F 20160%
Sep 1372°F46°F90°F 198130°F 20070%
Sep 1471°F45°F88°F 198728°F 19930%
Sep 1571°F45°F88°F 200229°F 19820%
Sep 1671°F45°F94°F 197930°F 19820%
Sep 1770°F44°F94°F 198929°F 20100%
Sep 1870°F44°F89°F 198932°F 20070%
Sep 1969°F43°F86°F 199430°F 20060%
Sep 2069°F43°F85°F 201929°F 19820%
Sep 2168°F43°F88°F 198424°F 19950%
Sep 2268°F42°F86°F 202023°F 20120%
Sep 2368°F42°F89°F 200723°F 19890%
Sep 2467°F41°F85°F 199226°F 19850%
Sep 2567°F41°F91°F 201428°F 19850%
Sep 2666°F40°F89°F 201427°F 19840%
Sep 2766°F40°F94°F 202126°F 20060%
Sep 2865°F39°F88°F 198324°F 19920%
Sep 2964°F39°F89°F 200727°F 19840%
Sep 3064°F39°F94°F 198924°F 20030%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harvey, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:58 AM, sunset 8:20 PM
September 30
sunrise 7:38 AM, sunset 7:21 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00324013 (Harvey 4NE), public domain. Records: NOAA GHCN-Daily, station USC00324013, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.