climatesince.com

Allen County, OH

: September 2026 so far averaged 68.8°F in Allen County, OH, the warmest 1 to 29 September in the county average since 2019, 8th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).

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

High
75.8°F
Warmest since 2025
24th warmest of 76
Low
47.7°F
Warmest since 2025
37th warmest of 76

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

Every 29 September high of the county average in Allen County, OH since 1951: 75.8°F in 2026; the highest is 89.9°F, in 1953.
2025: 88.6°F1953: 89.9°F2026: 75.8°F 2026 75.8°F 1953 89.9°F since 2025 1951 2026
  • Normal range, 61.3 to 80.7°F
Every year as a table

Every 29 September low of the county average in Allen County, OH since 1951: 47.7°F in 2026; the lowest is 31.3°F, in 1951.

YearHigh, °FLow, °F
202675.847.7
202588.657.1
202472.865.3
202370.360.9
202257.942.6
202177.149.5
202066.146.1
201980.162
201873.746
201771.147
201661.452.1
20158162.6
201480.752.1
20137950.4
201267.145.4
201162.451.7
201061.546.3
200960.449
200879.652.8
200774.245.1
200659.440.1
200576.748.5
20046747.7
200357.541.4
200273.752.3
200163.142.8
200063.637.7
199984.459.1
199877.151.9
199777.950.9
199664.344.1
199581.647.9
199463.844
199361.938.6
199271.137.7
199163.739.9
199077.256
198971.137.5
198873.449
198781.656.6
198686.967.6
198572.243.7
198458.939.7
198379.848
198273.149.6
19816239.6
198074.948
197970.354.3
197866.642.6
19777041.4
197663.139.1
197570.840.3
197470.753.1
197375.664.9
19726952.6
197185.867.6
19706033.8
196966.339.1
196868.444
196746.235.7
196667.744.9
196574.847.7
196463.539.4
196373.547.8
196262.536.3
196164.333
196076.745.6
195981.862.4
195865.638
195765.935.5
195676.844.2
195575.249.2
195484.463.2
195389.951.5
19528553.1
19516031.3

The month

August 2026 averaged 72.6°F in Allen County, OH, the warmest August in the county average since 2024, tied 38th warmest of 132 (with 1975) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 75.8°F averaged over Allen County, OH, the warmest 29 September in the county average since 2025, 24th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 47.7°F averaged over Allen County, OH, the warmest 29 September night in the county average since 2025, tied 37th warmest of 76 (with 2004 and 1965) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Toledo, OH 58.5 mi, the nearest city with its own station