Lamar climate

Lamar Weather in September

NOAA 1991-2020 normals for Bishopville 1ENE, 16.1 km from Lamar

Average highs run from 87°F on September 1 to 81°F on September 30, and lows from 67°F to 58°F. Normal precipitation for the month is 4.08 in over about 7 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 Lamar, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
84°F
Average low
63°F
Precipitation
4.08 in
Record high
101°FSep 6, 2026
Record low
43°FSep 23, 1999
Chance of a freeze
0%
Days of 90°F or more
6.1
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
52%
Humidity
76%
Dew point
65°F
Wind
8.1 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 187°F67°F98°F 201854°F 199927%0%
Sep 287°F67°F98°F 201455°F 199927%0%
Sep 387°F66°F100°F 202655°F 202126%0%
Sep 487°F66°F98°F 202654°F 202126%0%
Sep 586°F66°F98°F 202646°F 199726%0%
Sep 686°F66°F101°F 202647°F 199726%0%
Sep 786°F66°F97°F 202354°F 199725%0%
Sep 886°F65°F95°F 201853°F 201725%0%
Sep 986°F65°F95°F 201952°F 199825%0%
Sep 1086°F65°F94°F 200750°F 199825%0%
Sep 1185°F65°F94°F 200751°F 199825%0%
Sep 1285°F65°F96°F 200254°F 199824%0%
Sep 1385°F64°F95°F 201953°F 199924%0%
Sep 1485°F64°F93°F 201950°F 201524%0%
Sep 1584°F64°F96°F 202647°F 201524%0%
Sep 1684°F63°F95°F 201048°F 201524%0%
Sep 1784°F63°F92°F 201944°F 200124%0%
Sep 1884°F63°F96°F 200554°F 199924%0%
Sep 1984°F63°F94°F 200553°F 201324%0%
Sep 2083°F62°F92°F 202553°F 200424%0%
Sep 2183°F62°F96°F 199752°F 200624%0%
Sep 2283°F62°F93°F 201052°F 199924%0%
Sep 2382°F61°F97°F 202243°F 199924%0%
Sep 2482°F61°F94°F 200743°F 199924%0%
Sep 2582°F60°F94°F 202544°F 199924%0%
Sep 2682°F60°F93°F 200943°F 200124%0%
Sep 2781°F60°F97°F 201949°F 200024%0%
Sep 2881°F59°F93°F 200744°F 200124%0%
Sep 2981°F59°F95°F 201746°F 200324%0%
Sep 3081°F58°F96°F 201943°F 200324%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lamar, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:54 AM, sunset 7:46 PM
September 30
sunrise 7:14 AM, sunset 7:06 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00380736 (Bishopville 1ENE), public domain. Records: NOAA GHCN-Daily, station USC00383990, 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.