Mahaska County, IA
: September 2026 so far brought 7.08 in of precipitation in Mahaska County, IA, the wettest 1 to 29 September in the county average since 1992, 5th wettest 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
- 77.7°F
- Warmest since 2025
- 19th warmest of 76
- Low
- 53.6°F
- Warmest since 2025
- 21st warmest of 76
No measurable precipitation in the county average of Mahaska County, IA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 60.5 to 80.4°F
Every year as a table
Every 29 September low of the county average in Mahaska County, IA since 1951: 53.6°F in 2026; the lowest is 28.5°F, in 1984.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 77.7 | 53.6 |
| 2025 | 87.6 | 56.7 |
| 2024 | 83.8 | 54.4 |
| 2023 | 76.2 | 56 |
| 2022 | 65 | 33.4 |
| 2021 | 87.1 | 58.1 |
| 2020 | 61.4 | 47 |
| 2019 | 66.7 | 55.6 |
| 2018 | 51.5 | 42.4 |
| 2017 | 76.4 | 46.7 |
| 2016 | 63.6 | 48.8 |
| 2015 | 83.3 | 57.9 |
| 2014 | 82.4 | 54.6 |
| 2013 | 71 | 42.8 |
| 2012 | 73.7 | 38.7 |
| 2011 | 75.5 | 54.8 |
| 2010 | 73.7 | 47.3 |
| 2009 | 63.3 | 44.5 |
| 2008 | 73.9 | 55.4 |
| 2007 | 74.7 | 46.8 |
| 2006 | 60.6 | 41.9 |
| 2005 | 62.4 | 37 |
| 2004 | 69.3 | 38.8 |
| 2003 | 57.6 | 33.3 |
| 2002 | 79.6 | 48.9 |
| 2001 | 69.1 | 41.2 |
| 2000 | 75.5 | 47.8 |
| 1999 | 61.2 | 42.9 |
| 1998 | 81.6 | 58.3 |
| 1997 | 77.5 | 53.6 |
| 1996 | 68.6 | 46.1 |
| 1995 | 80.3 | 49.8 |
| 1994 | 71.8 | 42.2 |
| 1993 | 65.4 | 35.7 |
| 1992 | 59.1 | 33.9 |
| 1991 | 70.9 | 39.7 |
| 1990 | 74.7 | 50 |
| 1989 | 76.4 | 42.5 |
| 1988 | 69.8 | 60.4 |
| 1987 | 72.7 | 54.3 |
| 1986 | 79.6 | 61.8 |
| 1985 | 59.8 | 45.4 |
| 1984 | 55.7 | 28.5 |
| 1983 | 85 | 58.4 |
| 1982 | 79.8 | 56.8 |
| 1981 | 68.7 | 39.4 |
| 1980 | 76.2 | 48.4 |
| 1979 | 83.6 | 53.4 |
| 1978 | 69.8 | 40.2 |
| 1977 | 73 | 45.5 |
| 1976 | 60.9 | 47.2 |
| 1975 | 66.1 | 50.3 |
| 1974 | 63.6 | 37.3 |
| 1973 | 71.7 | 59.5 |
| 1972 | 72.2 | 38.9 |
| 1971 | 86.6 | 59.1 |
| 1970 | 73.2 | 41.3 |
| 1969 | 75.5 | 48.5 |
| 1968 | 67.9 | 49 |
| 1967 | 58.7 | 32.7 |
| 1966 | 67.9 | 45 |
| 1965 | 76.9 | 54.8 |
| 1964 | 65.6 | 34.4 |
| 1963 | 74.8 | 44.8 |
| 1962 | 69.9 | 38.3 |
| 1961 | 62.7 | 36.7 |
| 1960 | 67.2 | 45.8 |
| 1959 | 62.3 | 40.9 |
| 1958 | 72 | 43.3 |
| 1957 | 69.4 | 35 |
| 1956 | 82.6 | 50.6 |
| 1955 | 77.8 | 53.3 |
| 1954 | 79.4 | 60 |
| 1953 | 94.8 | 61.7 |
| 1952 | 87.4 | 53.5 |
| 1951 | 58.6 | 33.9 |
The month
September 2026 so far averaged 70.1°F in Mahaska County, IA, the warmest 1 to 29 September in the county average since 2019, 3rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 73.9°F in Mahaska County, IA, the warmest August in the county average since 2021, tied 38th warmest of 132 (with 2000, 1984 and 1960) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 77.7°F averaged over Mahaska County, IA, the warmest 29 September in the county average since 2025, 19th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 53.6°F averaged over Mahaska County, IA, the warmest 29 September night in the county average since 2025, tied 21st warmest of 76 (with 1997) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Des Moines, IA 54.5 mi, the nearest city with its own station