Dover climate

Dover Weather in September

NOAA 1991-2020 normals for Dardanelle, 19.3 km from Dover

Average highs run from 90°F on September 1 to 82°F on September 30, and lows from 67°F to 57°F. Normal precipitation for the month is 3.53 in over about 5 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 Dover, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
87°F
Average low
62°F
Precipitation
3.53 in
Record high
109°FSep 1, 2000
Record low
36°FSep 30, 1999
Chance of a freeze
0%
Days of 90°F or more
10.3
Daylight
12 h 54 min to 11 h 51 min
Cloud cover
45%
Humidity
67%
Dew point
59°F
Wind
3.6 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 190°F67°F109°F 200053°F 200917%0%
Sep 290°F66°F106°F 200054°F 200917%0%
Sep 390°F66°F106°F 200058°F 200917%0%
Sep 490°F66°F107°F 200053°F 201017%0%
Sep 589°F65°F103°F 202651°F 201017%0%
Sep 689°F65°F103°F 202651°F 201117%0%
Sep 789°F65°F101°F 201248°F 201117%0%
Sep 889°F65°F104°F 202650°F 201117%0%
Sep 988°F64°F103°F 202646°F 202417%0%
Sep 1088°F64°F99°F 201348°F 202417%0%
Sep 1188°F64°F100°F 201353°F 200117%0%
Sep 1288°F63°F98°F 202652°F 201517%0%
Sep 1387°F63°F97°F 202650°F 201517%0%
Sep 1487°F63°F99°F 200048°F 199917%0%
Sep 1587°F62°F98°F 202649°F 199917%0%
Sep 1687°F62°F98°F 202647°F 200017%0%
Sep 1786°F61°F98°F 202643°F 200017%0%
Sep 1886°F61°F96°F 200546°F 200017%0%
Sep 1986°F61°F97°F 201048°F 201217%0%
Sep 2085°F60°F99°F 202445°F 200617%0%
Sep 2185°F60°F99°F 202246°F 199917%0%
Sep 2285°F60°F98°F 200544°F 199917%0%
Sep 2385°F59°F95°F 202342°F 199917%0%
Sep 2484°F59°F94°F 202245°F 200217%0%
Sep 2584°F58°F93°F 202341°F 200117%0%
Sep 2684°F58°F93°F 202339°F 200117%0%
Sep 2783°F58°F94°F 202341°F 200117%0%
Sep 2883°F57°F96°F 202343°F 200617%0%
Sep 2983°F57°F95°F 202338°F 200317%0%
Sep 3082°F57°F97°F 202336°F 199917%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dover, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:45 AM, sunset 7:39 PM
September 30
sunrise 7:07 AM, sunset 6:58 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00031838 (Dardanelle), public domain. Records: NOAA GHCN-Daily, station USW00053920, 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.