Iraan climate

Iraan Weather in September

NOAA 1991-2020 normals for Sheffield, 26 km from Iraan

Average highs run from 95°F on September 1 to 88°F on September 30, and lows from 67°F to 58°F. Normal precipitation for the month is 1.80 in over about 3 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 Iraan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
91°F
Average low
63°F
Precipitation
1.80 in
Record high
106°FSep 5, 2000
Record low
32°FSep 24, 1989
Chance of a freeze
0%
Days of 90°F or more
18.1
Daylight
12 h 47 min to 11 h 53 min
Cloud cover
41%
Humidity
57%
Dew point
57°F
Wind
10.3 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 195°F67°F102°F 198355°F 198712%0%
Sep 295°F67°F100°F 200058°F 196912%0%
Sep 394°F67°F98°F 197944°F 197412%0%
Sep 494°F67°F103°F 200047°F 197412%0%
Sep 594°F66°F106°F 200048°F 197412%0%
Sep 694°F66°F106°F 200048°F 197412%0%
Sep 793°F66°F99°F 200052°F 197412%0%
Sep 893°F65°F99°F 196350°F 197412%0%
Sep 993°F65°F100°F 200148°F 202012%0%
Sep 1093°F65°F100°F 200046°F 202012%0%
Sep 1192°F64°F103°F 200054°F 196712%0%
Sep 1292°F64°F102°F 200050°F 197112%0%
Sep 1392°F64°F98°F 197047°F 197511%0%
Sep 1492°F64°F99°F 201146°F 197511%0%
Sep 1592°F63°F99°F 196544°F 199311%0%
Sep 1691°F63°F103°F 196548°F 199311%0%
Sep 1791°F63°F99°F 196549°F 198911%0%
Sep 1891°F62°F99°F 199746°F 197111%0%
Sep 1991°F62°F98°F 198042°F 197111%0%
Sep 2090°F61°F99°F 199935°F 197111%0%
Sep 2190°F61°F97°F 197735°F 197111%0%
Sep 2290°F61°F101°F 197736°F 199511%0%
Sep 2390°F60°F97°F 198037°F 199511%0%
Sep 2489°F60°F96°F 200032°F 198911%0%
Sep 2589°F60°F99°F 197742°F 197511%0%
Sep 2689°F59°F102°F 197741°F 198911%0%
Sep 2789°F59°F103°F 197740°F 198911%0%
Sep 2888°F59°F104°F 197734°F 199611%0%
Sep 2988°F58°F99°F 197736°F 196711%0%
Sep 3088°F58°F100°F 197740°F 198511%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Iraan, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 7:24 AM, sunset 8:11 PM
September 30
sunrise 7:41 AM, sunset 7:34 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00418252 (Sheffield), public domain. Records: NOAA GHCN-Daily, station USC00410779, 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.