Belleville climate

Belleville Weather in September

NOAA 1991-2020 normals for Belleville Siu Rsch, 11.9 km from Belleville

Average highs run from 87°F on September 1 to 79°F on September 30, and lows from 62°F to 52°F. Normal precipitation for the month is 3.35 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 Belleville, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
57°F
Precipitation
3.35 in
Record high
103°FSep 5, 1954
Record low
26°FSep 23, 1995
Chance of a freeze
5%
Days of 90°F or more
6.7
Daylight
13 h 01 min to 11 h 49 min
Cloud cover
46%
Humidity
68%
Dew point
57°F
Wind
6.7 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°F62°F100°F 195344°F 198722%0%
Sep 287°F62°F100°F 195442°F 196722%0%
Sep 387°F61°F99°F 202644°F 196721%0%
Sep 486°F61°F102°F 195442°F 197421%0%
Sep 586°F61°F103°F 195442°F 197421%0%
Sep 686°F60°F102°F 195445°F 197621%0%
Sep 786°F60°F99°F 199035°F 198821%0%
Sep 885°F60°F98°F 197140°F 198821%0%
Sep 985°F59°F98°F 195540°F 202421%0%
Sep 1085°F59°F99°F 201341°F 196921%0%
Sep 1185°F59°F99°F 201341°F 197021%0%
Sep 1284°F58°F98°F 201339°F 196821%0%
Sep 1384°F58°F97°F 195642°F 197521%0%
Sep 1484°F58°F101°F 197140°F 201421%0%
Sep 1584°F57°F100°F 197138°F 197922%0%
Sep 1683°F57°F97°F 195437°F 196622%0%
Sep 1783°F56°F95°F 201940°F 199922%0%
Sep 1883°F56°F97°F 195341°F 198122%0%
Sep 1983°F56°F97°F 197236°F 199122%0%
Sep 2082°F55°F96°F 201732°F 199122%0%
Sep 2182°F55°F97°F 202231°F 199122%0%
Sep 2282°F55°F97°F 200535°F 198322%0%
Sep 2381°F54°F94°F 200726°F 199522%0%
Sep 2481°F54°F94°F 201728°F 198922%0%
Sep 2581°F54°F94°F 201732°F 198923%0%
Sep 2680°F53°F95°F 201736°F 198923%0%
Sep 2780°F53°F93°F 199834°F 199123%0%
Sep 2880°F53°F98°F 195330°F 198923%0%
Sep 2979°F52°F101°F 195335°F 199223%0%
Sep 3079°F52°F94°F 195228°F 199323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Belleville, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:29 AM, sunset 7:30 PM
September 30
sunrise 6:55 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 USW00013802 (Belleville Siu Rsch), public domain. Records: NOAA GHCN-Daily, station USW00013802, 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.