Danville climate

Danville Weather in September

NOAA 1991-2020 normals for Addison, 19.8 km from Danville

Average highs run from 86°F on September 1 to 79°F on September 30, and lows from 64°F to 55°F. Normal precipitation for the month is 4.45 in over about 6 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 Danville, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
83°F
Average low
60°F
Precipitation
4.45 in
Record high
96°FSep 13, 2019
Record low
41°FSep 24, 2012
Chance of a freeze
0%
Days of 90°F or more
5.5
Daylight
12 h 52 min to 11 h 52 min
Cloud cover
49%
Humidity
68%
Dew point
60°F
Wind
5.1 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 186°F64°F94°F 201157°F 201724%0%
Sep 286°F63°F96°F 201153°F 201723%0%
Sep 386°F63°F94°F 201155°F 201723%0%
Sep 486°F63°F94°F 202654°F 201023%0%
Sep 586°F63°F95°F 202650°F 201022%0%
Sep 685°F63°F94°F 202649°F 201722%0%
Sep 785°F62°F93°F 201846°F 201722%0%
Sep 885°F62°F92°F 201647°F 201722%0%
Sep 985°F62°F92°F 201953°F 201121%0%
Sep 1085°F62°F94°F 200750°F 201121%0%
Sep 1184°F62°F93°F 201054°F 201121%0%
Sep 1284°F61°F92°F 201953°F 202221%0%
Sep 1384°F61°F96°F 201947°F 201521%0%
Sep 1484°F61°F94°F 202644°F 201521%0%
Sep 1584°F60°F94°F 202649°F 201521%0%
Sep 1683°F60°F94°F 201949°F 201121%0%
Sep 1783°F60°F96°F 201954°F 200621%0%
Sep 1883°F60°F94°F 201953°F 202321%0%
Sep 1983°F59°F93°F 201048°F 201221%0%
Sep 2082°F59°F94°F 201846°F 201221%0%
Sep 2182°F59°F94°F 201044°F 200621%0%
Sep 2282°F58°F92°F 201645°F 202021%0%
Sep 2381°F58°F92°F 201646°F 202121%0%
Sep 2481°F57°F93°F 201641°F 201221%0%
Sep 2581°F57°F95°F 201648°F 200820%0%
Sep 2681°F57°F92°F 201949°F 200620%0%
Sep 2780°F56°F93°F 201944°F 202220%0%
Sep 2880°F56°F93°F 201941°F 202220%0%
Sep 2980°F55°F95°F 201943°F 202220%0%
Sep 3079°F55°F95°F 201943°F 202020%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Danville, 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 6:22 AM, sunset 7:14 PM
September 30
sunrise 6:42 AM, sunset 6:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00010063 (Addison), public domain. Records: NOAA GHCN-Daily, station USW00063867, 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.