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Brown County, IN

: September 2026 so far averaged 72.9°F in Brown County, IN, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
77.9°F
Warmest since 2025
26th warmest of 76
Low
46.7°F
Coldest since 2022
36th coldest of 76

No measurable precipitation in the county average of Brown County, IN for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Brown County, IN since 1951: 46.7°F in 2026; the lowest is 32.7°F, in 1951.
2022: 39.7°F1951: 32.7°F2026: 46.7°F 2026 46.7°F 1951 32.7°F since 2022 1951 2026
  • Normal range, 40.2 to 53.6°F
Every year as a table

Every 29 September high of the county average in Brown County, IN since 1951: 77.9°F in 2026; the highest is 92.1°F, in 1953.

YearHigh, °FLow, °F
202677.946.7
202586.855.2
202468.163.3
202376.655.9
202263.339.7
202183.958.4
202063.643
20198864.5
201872.945.3
201773.846.1
201665.250.9
201583.859.2
201482.352.4
201381.250.1
201271.349.8
201167.148.7
201071.643.3
200965.147.5
200879.649.8
200778.449
200663.640.2
20057848.1
200474.444.6
200358.640
200276.653.1
20016341.7
200068.441.4
199988.558.1
199881.152.7
199780.247.7
199664.742.7
19957946.3
199469.742.4
19936737.1
199271.736.4
199176.546.1
199082.354.6
198970.840.9
198880.654.4
198783.557.8
198688.667.8
198570.441.8
198459.839.8
198379.448.7
198273.946
198167.940.1
198073.846
197974.853.3
197867.840.4
197771.445.2
197665.542.5
197570.841.6
197467.649.9
197384.364.5
19727260.8
197186.467.2
197066.437
19697040.9
19687547.1
19675135.3
196669.748.5
196575.447.2
196460.447.2
196376.148.5
196264.535.4
196167.835.8
196077.348.9
195986.163.4
195867.139.6
195767.739.1
195675.344.9
195578.452.8
195486.361.9
195392.148.6
195285.151.1
195161.532.7

The month

August 2026 averaged 73.1°F in Brown County, IN, the warmest August in the county average since 2024, tied 62nd warmest of 132 (with 1973 and 1956) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 77.9°F averaged over Brown County, IN, the warmest 29 September in the county average since 2025, 26th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 46.7°F averaged over Brown County, IN, the coldest 29 September night in the county average since 2022, 36th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Indianapolis, IN 36.7 mi, the nearest city with its own station