Story County, IA
: September 2026 so far brought 6.28 in of precipitation in Story County, IA, the wettest 1 to 29 September in the county average since 2018, 8th 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
- 75.9°F
- Warmest since 2025
- 23rd warmest of 76
- Low
- 54.8°F
- Warmest since 2023
- 14th warmest of 76
No measurable precipitation in the county average of Story County, IA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 35.1 to 55.2°F
Every year as a table
Every 29 September high of the county average in Story County, IA since 1951: 75.9°F in 2026; the highest is 89.5°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75.9 | 54.8 |
| 2025 | 86.4 | 50.8 |
| 2024 | 84.8 | 53.7 |
| 2023 | 75.7 | 56.3 |
| 2022 | 63.8 | 33.9 |
| 2021 | 87.4 | 58.8 |
| 2020 | 61.4 | 46.3 |
| 2019 | 71.6 | 51.7 |
| 2018 | 50.5 | 39.2 |
| 2017 | 76.5 | 47.1 |
| 2016 | 60.4 | 48.2 |
| 2015 | 83.2 | 55.7 |
| 2014 | 80.9 | 55.2 |
| 2013 | 69.1 | 42.6 |
| 2012 | 74.3 | 39 |
| 2011 | 79 | 53 |
| 2010 | 71.6 | 47 |
| 2009 | 62.3 | 43.8 |
| 2008 | 71.3 | 55.2 |
| 2007 | 73.8 | 42.8 |
| 2006 | 59.5 | 40.9 |
| 2005 | 58.8 | 35.2 |
| 2004 | 68.9 | 37.5 |
| 2003 | 57.8 | 31.6 |
| 2002 | 72.7 | 49 |
| 2001 | 73.1 | 42.2 |
| 2000 | 78.8 | 45.6 |
| 1999 | 64.7 | 38.6 |
| 1998 | 82.1 | 56 |
| 1997 | 76.9 | 52.4 |
| 1996 | 67.7 | 45.5 |
| 1995 | 79.8 | 50.3 |
| 1994 | 71.2 | 41.9 |
| 1993 | 61.9 | 34.5 |
| 1992 | 57.9 | 32.4 |
| 1991 | 69.1 | 37.5 |
| 1990 | 73.2 | 49.6 |
| 1989 | 78.2 | 44.1 |
| 1988 | 65.6 | 58.4 |
| 1987 | 73.9 | 53.6 |
| 1986 | 79.1 | 58.2 |
| 1985 | 53.5 | 39.9 |
| 1984 | 52.2 | 27.8 |
| 1983 | 85 | 59.2 |
| 1982 | 78.6 | 56.3 |
| 1981 | 70 | 37.3 |
| 1980 | 77.4 | 49.2 |
| 1979 | 79.5 | 51.6 |
| 1978 | 70.6 | 41.5 |
| 1977 | 72.4 | 46.4 |
| 1976 | 62.5 | 43.2 |
| 1975 | 66.9 | 48.6 |
| 1974 | 58.9 | 32.8 |
| 1973 | 67 | 59 |
| 1972 | 68.8 | 37 |
| 1971 | 84.4 | 54.3 |
| 1970 | 74.1 | 41.3 |
| 1969 | 74.6 | 48.4 |
| 1968 | 64.5 | 47.6 |
| 1967 | 59.7 | 28.6 |
| 1966 | 66 | 45.4 |
| 1965 | 76.1 | 53.5 |
| 1964 | 70 | 35.5 |
| 1963 | 69.7 | 40.9 |
| 1962 | 69.5 | 37.1 |
| 1961 | 60.9 | 38.3 |
| 1960 | 65.2 | 47.2 |
| 1959 | 56.8 | 37.2 |
| 1958 | 72.9 | 44.4 |
| 1957 | 71.2 | 36 |
| 1956 | 77.9 | 44.9 |
| 1955 | 74.6 | 52.7 |
| 1954 | 74.2 | 57.2 |
| 1953 | 89.5 | 59.5 |
| 1952 | 84.5 | 50.7 |
| 1951 | 57.1 | 35 |
The month
September 2026 so far averaged 68.1°F in Story County, IA, the warmest 1 to 29 September in the county average since 2019, tied 5th warmest of 76 (with 2016) (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 72.5°F in Story County, IA, the warmest August in the county average since 2023, tied 39th warmest of 132 (with 1956 and 1901) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 75.9°F averaged over Story County, IA, the warmest 29 September in the county average since 2025, 23rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 54.8°F averaged over Story County, IA, the warmest 29 September night in the county average since 2023, 14th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Des Moines, IA 36.1 mi, the nearest city with its own station