Derby climate

Derby Weather in September

NOAA 1991-2020 normals for Haysville 3SE, 5 km from Derby

Average highs run from 88°F on September 1 to 78°F on September 30, and lows from 64°F to 52°F. Normal precipitation for the month is 2.95 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 Derby, 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
58°F
Precipitation
2.95 in
Record high
107°FSep 1, 2011
Record low
32°FSep 21, 2000
Chance of a freeze
4%
Days of 90°F or more
7.6
Daylight
12 h 59 min to 11 h 50 min
Cloud cover
45%
Humidity
63%
Dew point
56°F
Wind
10.7 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 188°F64°F107°F 201152°F 200922%0%
Sep 287°F63°F105°F 200054°F 200722%0%
Sep 387°F63°F101°F 201251°F 201022%0%
Sep 487°F63°F104°F 201246°F 201022%0%
Sep 587°F62°F98°F 200249°F 200821%0%
Sep 686°F62°F97°F 202344°F 201121%0%
Sep 786°F62°F98°F 201548°F 201721%0%
Sep 886°F61°F101°F 202650°F 201121%0%
Sep 986°F61°F98°F 201347°F 202021%0%
Sep 1085°F60°F95°F 201446°F 200121%0%
Sep 1185°F60°F100°F 200045°F 200721%0%
Sep 1285°F60°F104°F 200046°F 202221%0%
Sep 1384°F59°F97°F 201137°F 201421%0%
Sep 1484°F59°F97°F 201141°F 201421%0%
Sep 1584°F58°F93°F 200044°F 200821%0%
Sep 1683°F58°F97°F 202646°F 200821%0%
Sep 1783°F57°F97°F 202647°F 200821%0%
Sep 1883°F57°F98°F 200042°F 200621%0%
Sep 1982°F57°F99°F 202239°F 200321%0%
Sep 2082°F56°F100°F 202444°F 200621%0%
Sep 2182°F56°F99°F 202232°F 200020%0%
Sep 2281°F55°F100°F 202239°F 200320%0%
Sep 2381°F55°F95°F 200543°F 200920%0%
Sep 2480°F54°F91°F 200543°F 200920%0%
Sep 2580°F54°F92°F 202239°F 200020%0%
Sep 2680°F53°F95°F 200534°F 200020%0%
Sep 2779°F53°F94°F 202335°F 200020%0%
Sep 2879°F52°F95°F 202343°F 200021%0%
Sep 2979°F52°F96°F 202336°F 202021%0%
Sep 3078°F52°F96°F 202336°F 202021%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Derby, 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 6:59 AM, sunset 7:58 PM
September 30
sunrise 7:24 AM, sunset 7:14 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00143545 (Haysville 3SE), public domain. Records: NOAA GHCN-Daily, station USC00143545, 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.