Henderson climate

Henderson Weather in September

NOAA 1991-2020 normals for St Peter, 23.3 km from Henderson

Average highs run from 77°F on September 1 to 66°F on September 30, and lows from 55°F to 42°F. Normal precipitation for the month is 3.16 in over about 7 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 Henderson, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
72°F
Average low
49°F
Precipitation
3.16 in
Record high
98°FSep 12, 2012
Record low
27°FSep 15, 2007
Chance of a freeze
36%
Days of 90°F or more
0.8
Daylight
13 h 14 min to 11 h 46 min
Cloud cover
52%
Humidity
69%
Dew point
50°F
Wind
10.5 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 177°F55°F86°F 201342°F 200924%0%
Sep 277°F54°F89°F 201145°F 200924%0%
Sep 376°F54°F90°F 200342°F 201324%0%
Sep 476°F54°F95°F 202340°F 202524%0%
Sep 576°F53°F96°F 202341°F 201124%0%
Sep 676°F53°F95°F 202342°F 202524%0%
Sep 775°F52°F95°F 200343°F 201724%0%
Sep 875°F52°F94°F 200342°F 201024%0%
Sep 975°F52°F89°F 200337°F 200823%0%
Sep 1074°F51°F92°F 201333°F 202023%0%
Sep 1174°F51°F87°F 200536°F 202024%0%
Sep 1274°F50°F98°F 201235°F 200724%0%
Sep 1373°F50°F86°F 201133°F 201423%0%
Sep 1473°F50°F87°F 200438°F 202323%0%
Sep 1573°F49°F89°F 202527°F 200723%0%
Sep 1672°F49°F92°F 201833°F 201123%0%
Sep 1772°F48°F92°F 202539°F 201123%0%
Sep 1872°F48°F89°F 200737°F 201223%0%
Sep 1971°F47°F82°F 200938°F 201223%0%
Sep 2071°F47°F89°F 202134°F 200623%0%
Sep 2171°F46°F92°F 202234°F 200623%0%
Sep 2270°F46°F91°F 202238°F 201823%0%
Sep 2370°F46°F90°F 201733°F 201223%0%
Sep 2469°F45°F87°F 200732°F 201223%0%
Sep 2569°F45°F85°F 201734°F 200323%0%
Sep 2668°F44°F82°F 202032°F 200323%0%
Sep 2768°F44°F85°F 200832°F 201223%0%
Sep 2867°F43°F84°F 201330°F 202223%0%
Sep 2967°F43°F84°F 202431°F 201823%0%
Sep 3066°F42°F88°F 202530°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Henderson, 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 6:38 AM, sunset 7:52 PM
September 30
sunrise 7:12 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 USC00217405 (St Peter), public domain. Records: NOAA GHCN-Daily, station USC00211065, 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.