Boonville climate

Boonville Weather in September

NOAA 1991-2020 normals for Boonville 4 Ssw, 5.9 km from Boonville

Average highs run from 72°F on September 1 to 61°F on September 30, and lows from 52°F to 43°F. Normal precipitation for the month is 4.94 in over about 13 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 Boonville, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
67°F
Average low
48°F
Precipitation
4.94 in
Record high
93°FSep 7, 2007
Record low
30°FSep 19, 2020
Chance of a freeze
35%
Daylight
13 h 12 min to 11 h 46 min
Cloud cover
59%
Humidity
78%
Dew point
52°F
Wind
4.0 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 172°F52°F90°F 201037°F 201740%0%
Sep 272°F52°F90°F 201037°F 201740%0%
Sep 371°F52°F91°F 201040°F 202440%0%
Sep 471°F51°F89°F 201846°F 202440%0%
Sep 571°F51°F91°F 200844°F 201340%0%
Sep 670°F51°F89°F 201540°F 201340%0%
Sep 770°F51°F93°F 200747°F 202640%0%
Sep 870°F50°F90°F 201544°F 202541%0%
Sep 969°F50°F89°F 201540°F 201341%0%
Sep 1069°F50°F87°F 201640°F 201741%0%
Sep 1169°F49°F93°F 201339°F 201241%0%
Sep 1268°F49°F82°F 201242°F 201442%0%
Sep 1368°F49°F84°F 201242°F 201942%0%
Sep 1468°F48°F89°F 200841°F 201442%0%
Sep 1567°F48°F86°F 201836°F 202042%0%
Sep 1667°F48°F87°F 201835°F 201143%0%
Sep 1767°F47°F84°F 201533°F 201343%0%
Sep 1866°F47°F85°F 201737°F 202043%0%
Sep 1966°F47°F82°F 201530°F 202043%0%
Sep 2065°F46°F83°F 201634°F 202043%0%
Sep 2165°F46°F85°F 201333°F 202044%0%
Sep 2264°F45°F85°F 200733°F 202044%0%
Sep 2364°F45°F82°F 201737°F 201345%0%
Sep 2464°F45°F88°F 201034°F 201345%0%
Sep 2563°F44°F89°F 200735°F 201646%0%
Sep 2663°F44°F88°F 201738°F 201646%0%
Sep 2762°F44°F89°F 201736°F 202346%0%
Sep 2862°F43°F83°F 202040°F 202347%1%
Sep 2961°F43°F78°F 201439°F 202247%1%
Sep 3061°F43°F77°F 202535°F 202248%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boonville, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:25 AM, sunset 7:37 PM
September 30
sunrise 6:58 AM, sunset 6:44 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00300785 (Boonville 4 Ssw), public domain. Records: NOAA GHCN-Daily, station USW00064775, 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.