Mandeville climate

Mandeville Weather in September

NOAA 1991-2020 normals for Covington 4 Nnw, 19.3 km from Mandeville

Average highs run from 89°F on September 1 to 84°F on September 30, and lows from 71°F to 63°F. Normal precipitation for the month is 4.12 in over about 8 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 Mandeville, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
68°F
Precipitation
4.12 in
Record high
99°FSep 4, 2000
Record low
46°FSep 23, 1999
Chance of a freeze
0%
Days of 90°F or more
10.8
Daylight
12 h 46 min to 11 h 54 min
Cloud cover
47%
Humidity
80%
Dew point
70°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 189°F71°F96°F 200066°F 201531%0%
Sep 289°F71°F98°F 200065°F 200931%0%
Sep 389°F71°F95°F 199565°F 199530%0%
Sep 489°F70°F99°F 200066°F 199530%0%
Sep 588°F70°F96°F 200063°F 201130%0%
Sep 688°F70°F97°F 201959°F 201130%0%
Sep 788°F70°F99°F 201956°F 201129%0%
Sep 888°F70°F98°F 201956°F 201729%0%
Sep 988°F69°F95°F 199557°F 201129%0%
Sep 1088°F69°F94°F 202058°F 201129%0%
Sep 1188°F69°F94°F 201057°F 199928%0%
Sep 1287°F69°F96°F 201959°F 199728%0%
Sep 1387°F69°F97°F 201954°F 201528%0%
Sep 1487°F68°F93°F 199552°F 201527%0%
Sep 1587°F68°F95°F 201861°F 202227%0%
Sep 1687°F68°F96°F 201858°F 199927%0%
Sep 1787°F67°F97°F 201855°F 200026%0%
Sep 1886°F67°F95°F 201853°F 199926%0%
Sep 1986°F67°F96°F 201857°F 200026%0%
Sep 2086°F67°F97°F 200555°F 200625%0%
Sep 2186°F66°F97°F 202253°F 200625%0%
Sep 2286°F66°F96°F 202251°F 199925%0%
Sep 2385°F66°F93°F 202246°F 199925%0%
Sep 2485°F65°F94°F 201648°F 199924%0%
Sep 2585°F65°F94°F 202254°F 200124%0%
Sep 2685°F65°F94°F 202250°F 200124%0%
Sep 2785°F64°F94°F 200548°F 200023%0%
Sep 2884°F64°F93°F 200951°F 200023%0%
Sep 2984°F64°F92°F 199448°F 202223%0%
Sep 3084°F63°F92°F 201949°F 200322%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mandeville, 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 (CDT).

September 1
sunrise 6:37 AM, sunset 7:23 PM
September 30
sunrise 6:53 AM, sunset 6:47 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00162151 (Covington 4 Nnw), public domain. Records: NOAA GHCN-Daily, station USW00053865, 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.