Lyman climate

Lyman Weather in September

NOAA 1991-2020 normals for Gulfport Naval Ctr, 13.1 km from Lyman

Average highs run from 89°F on September 1 to 84°F on September 30, and lows from 74°F to 67°F. Normal precipitation for the month is 5.94 in over about 9 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 Lyman, 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
71°F
Precipitation
5.94 in
Record high
99°FSep 12, 2010
Record low
49°FSep 27, 2001
Chance of a freeze
0%
Days of 90°F or more
6.0
Daylight
12 h 46 min to 11 h 53 min
Cloud cover
48%
Humidity
76%
Dew point
71°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 189°F74°F95°F 201667°F 200637%0%
Sep 289°F74°F96°F 202468°F 200936%0%
Sep 389°F74°F95°F 202467°F 202536%0%
Sep 489°F73°F98°F 201969°F 201735%0%
Sep 588°F73°F97°F 202063°F 201135%0%
Sep 688°F73°F96°F 201959°F 201135%0%
Sep 788°F73°F98°F 201957°F 201134%0%
Sep 888°F73°F98°F 201958°F 201134%0%
Sep 988°F73°F94°F 201958°F 201133%0%
Sep 1088°F72°F94°F 200459°F 201133%0%
Sep 1188°F72°F95°F 200259°F 199933%0%
Sep 1288°F72°F99°F 201059°F 201732%0%
Sep 1387°F72°F96°F 201958°F 201732%0%
Sep 1487°F71°F94°F 201857°F 201531%0%
Sep 1587°F71°F97°F 201864°F 202231%0%
Sep 1687°F71°F98°F 201861°F 199930%0%
Sep 1787°F71°F96°F 201858°F 200030%0%
Sep 1887°F71°F97°F 201856°F 199930%0%
Sep 1986°F70°F96°F 200560°F 200029%0%
Sep 2086°F70°F98°F 200560°F 200629%0%
Sep 2186°F70°F97°F 200558°F 200629%0%
Sep 2286°F69°F97°F 202253°F 199928%0%
Sep 2386°F69°F94°F 201650°F 199928%0%
Sep 2485°F69°F95°F 201653°F 199927%0%
Sep 2585°F69°F94°F 202256°F 200127%0%
Sep 2685°F68°F95°F 202352°F 200126%0%
Sep 2785°F68°F94°F 200549°F 200126%0%
Sep 2885°F68°F93°F 200953°F 200125%0%
Sep 2984°F67°F94°F 200553°F 200325%0%
Sep 3084°F67°F92°F 201752°F 202024%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lyman, 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 6:33 AM, sunset 7:19 PM
September 30
sunrise 6:50 AM, sunset 6:43 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00223671 (Gulfport Naval Ctr), public domain. Records: NOAA GHCN-Daily, station USW00093874, 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.