Arena climate

Arena Weather in September

NOAA 1991-2020 normals for Mazomanie Wwtp, 7.6 km from Arena

Average highs run from 78°F on September 1 to 69°F on September 30, and lows from 53°F to 42°F. Normal precipitation for the month is 2.84 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 Arena, in °F, with the record for each date.020406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
74°F
Average low
47°F
Precipitation
2.84 in
Record high
100°FSep 9, 1955
Record low
20°FSep 29, 1949
Chance of a freeze
46%
Days of 90°F or more
1.3
Daylight
13 h 10 min to 11 h 46 min
Cloud cover
52%
Humidity
75%
Dew point
53°F
Wind
9.4 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 178°F53°F98°F 195334°F 195521%0%
Sep 278°F53°F98°F 195337°F 195521%0%
Sep 378°F52°F96°F 202338°F 196721%0%
Sep 478°F52°F94°F 202335°F 197421%0%
Sep 577°F52°F92°F 194837°F 196221%0%
Sep 677°F51°F96°F 195437°F 196221%0%
Sep 777°F51°F95°F 196035°F 195621%0%
Sep 877°F51°F96°F 197837°F 195322%0%
Sep 976°F50°F100°F 195537°F 197522%0%
Sep 1076°F50°F95°F 197831°F 196722%0%
Sep 1176°F49°F93°F 197827°F 195522%0%
Sep 1275°F49°F92°F 195225°F 195522%0%
Sep 1375°F48°F90°F 195229°F 195322%0%
Sep 1475°F48°F87°F 195531°F 197522%0%
Sep 1574°F48°F92°F 202432°F 200722%0%
Sep 1674°F47°F93°F 194831°F 196622%0%
Sep 1774°F47°F93°F 195531°F 195922%0%
Sep 1873°F46°F94°F 195529°F 195922%0%
Sep 1973°F46°F93°F 194831°F 195622%0%
Sep 2073°F46°F92°F 202225°F 195622%0%
Sep 2172°F45°F89°F 200530°F 196222%0%
Sep 2272°F45°F93°F 201725°F 197422%0%
Sep 2371°F44°F94°F 201723°F 197422%0%
Sep 2471°F44°F90°F 201725°F 197622%0%
Sep 2571°F44°F92°F 201726°F 197622%0%
Sep 2670°F43°F84°F 201429°F 197523%0%
Sep 2770°F43°F86°F 195428°F 195723%0%
Sep 2869°F42°F90°F 195227°F 195723%0%
Sep 2969°F42°F92°F 195320°F 194923%0%
Sep 3069°F42°F88°F 202327°F 200323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Arena, 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 6:24 AM, sunset 7:34 PM
September 30
sunrise 6:56 AM, sunset 6:42 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00475189 (Mazomanie Wwtp), public domain. Records: NOAA GHCN-Daily, station USW00014921, 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.