Cairo climate

Cairo Weather in September

NOAA 1991-2020 normals for Lima Wwtp, 12.5 km from Cairo

Average highs run from 81°F on September 1 to 71°F on September 30, and lows from 59°F to 49°F. Normal precipitation for the month is 3.19 in over about 9 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 Cairo, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
77°F
Average low
55°F
Precipitation
3.19 in
Record high
99°FSep 10, 2013
Record low
31°FSep 22, 1999
Chance of a freeze
2%
Days of 90°F or more
1.6
Daylight
13 h 06 min to 11 h 48 min
Cloud cover
52%
Humidity
71%
Dew point
54°F
Wind
8.5 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°F59°F92°F 201141°F 200928%0%
Sep 280°F59°F94°F 200846°F 202528%0%
Sep 380°F59°F95°F 200845°F 202428%0%
Sep 480°F59°F92°F 199948°F 200928%0%
Sep 580°F58°F92°F 201444°F 201028%0%
Sep 680°F58°F95°F 199844°F 202528%0%
Sep 779°F58°F94°F 200242°F 202528%0%
Sep 879°F57°F94°F 200238°F 202528%0%
Sep 979°F57°F93°F 200242°F 199828%0%
Sep 1079°F57°F99°F 201343°F 199828%0%
Sep 1178°F56°F96°F 201345°F 201728%0%
Sep 1278°F56°F90°F 199944°F 200228%0%
Sep 1378°F56°F91°F 199844°F 200928%0%
Sep 1477°F55°F92°F 199838°F 201328%0%
Sep 1577°F55°F88°F 202439°F 200129%0%
Sep 1677°F55°F87°F 200838°F 201129%0%
Sep 1776°F54°F86°F 202139°F 199929%0%
Sep 1876°F54°F92°F 202542°F 199929%0%
Sep 1976°F54°F90°F 202139°F 202029%0%
Sep 2075°F53°F91°F 201841°F 200629%0%
Sep 2175°F53°F92°F 201036°F 199930%0%
Sep 2275°F52°F91°F 201731°F 199930%0%
Sep 2374°F52°F92°F 201039°F 201230%0%
Sep 2474°F52°F92°F 200735°F 201230%0%
Sep 2573°F51°F90°F 201741°F 199931%0%
Sep 2673°F51°F91°F 199841°F 200031%0%
Sep 2773°F51°F87°F 202144°F 200031%0%
Sep 2872°F50°F89°F 199940°F 200031%0%
Sep 2972°F50°F85°F 202537°F 200031%0%
Sep 3071°F49°F88°F 201934°F 200932%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cairo, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 7:03 AM, sunset 8:09 PM
September 30
sunrise 7:32 AM, sunset 7:20 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00334551 (Lima Wwtp), public domain. Records: NOAA GHCN-Daily, station USW00004850, 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.