717
CXUS53 KMKX 011557
CLMMSN

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1057 AM CDT THU OCT 01 2026

...................................

...THE MADISON WI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/01/1953
 LOW              25   09/22/1974
                       09/29/1949
HIGHEST           88   09/02         87       1       86  09/29
LOWEST            41   09/14         36       5       41  09/08
                       09/26
AVG. MAXIMUM    74.3               72.9     1.4     76.7
AVG. MINIMUM    55.1               51.0     4.1     53.3
MEAN            64.7               62.0     2.7     65.0
DAYS MAX >= 90     0                0.6    -0.6        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.5    -0.5        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.69   1915
 MINIMUM        0.11   1979
TOTALS          3.61               3.43    0.18     1.37
DAILY AVG.      0.12               0.11    0.01     0.05
DAYS >= .01       16                9.2     6.8        5
DAYS >= .10        7                5.5     1.5        4
DAYS >= .50        3                2.3     0.7        2
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   1.64   09/18 TO 09/19               0.59  09/20 TO 09/20

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1942
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0      0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                                   0
DAYS >= 1.0        0                0.0     0.0        0
DAYS >= 0.1        0                                   0
GREATEST
 SNOW DEPTH        0                                   0
 24 HR TOTAL     0.0                                 0.0

DEGREE DAYS
HEATING TOTAL     88                151     -63       72
 SINCE 7/1        95                180     -85      105
COOLING TOTAL     89                 59      30       82
 SINCE 1/1       735                622     113      727
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
HIGHEST WIND SPEED/DIRECTION    24/160    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    33/160    DATE  09/14

SKY COVER
AVERAGE SKY COVER           0.63
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      3
HAZE                      2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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