Milan climate

Milan Weather in September

NOAA 1991-2020 normals for Green City 5N, 22.2 km from Milan

Average highs run from 81°F on September 1 to 71°F on September 30, and lows from 57°F to 47°F. Normal precipitation for the month is 4.21 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Milan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
52°F
Precipitation
4.21 in
Record high
100°FSep 9, 2013
Record low
29°FSep 28, 1951
Chance of a freeze
12%
Days of 90°F or more
2.9
Daylight
13 h 04 min to 11 h 48 min
Cloud cover
46%
Humidity
71%
Dew point
55°F
Wind
8.7 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 181°F57°F99°F 195339°F 19490%
Sep 281°F57°F98°F 202646°F 19490%
Sep 381°F56°F97°F 196041°F 19520%
Sep 480°F56°F96°F 202645°F 20250%
Sep 580°F56°F98°F 202643°F 20250%
Sep 680°F55°F96°F 196042°F 20110%
Sep 780°F55°F98°F 201339°F 19560%
Sep 879°F55°F97°F 201340°F 20240%
Sep 979°F55°F100°F 201339°F 20080%
Sep 1079°F54°F97°F 201342°F 19690%
Sep 1178°F54°F97°F 201341°F 19590%
Sep 1278°F54°F91°F 196239°F 20070%
Sep 1378°F53°F96°F 202535°F 19530%
Sep 1477°F53°F93°F 202539°F 20140%
Sep 1577°F53°F92°F 195534°F 20070%
Sep 1677°F52°F94°F 201940°F 19510%
Sep 1776°F52°F96°F 195342°F 19990%
Sep 1876°F52°F94°F 195340°F 20120%
Sep 1976°F51°F94°F 194840°F 19520%
Sep 2075°F51°F96°F 202236°F 19620%
Sep 2175°F50°F93°F 201737°F 19990%
Sep 2275°F50°F93°F 201735°F 20120%
Sep 2374°F50°F93°F 201732°F 20120%
Sep 2474°F49°F91°F 201733°F 19650%
Sep 2573°F49°F90°F 201737°F 19500%
Sep 2673°F49°F91°F 195337°F 20010%
Sep 2772°F48°F89°F 195637°F 19510%
Sep 2872°F48°F99°F 195329°F 19510%
Sep 2972°F47°F94°F 195331°F 19670%
Sep 3071°F47°F91°F 202332°F 19720%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Milan, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:40 AM, sunset 7:44 PM
September 30
sunrise 7:08 AM, sunset 6:56 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00233416 (Green City 5N), public domain. Records: NOAA GHCN-Daily, station USW00014938, 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.