Weather on September 30 at Theodore Roosevelt
Theodore Roosevelt National Park
Based on 55 years of data from Medora, ND
Elevation Note: Theodore Roosevelt sits at 2,600 ft. Expect temperatures 9°F cooler than the data shown below, which comes from Medora, ND at a lower elevation.
Planning Your Visit
September 30th in Theodore Roosevelt National Park (via Medora, ND) typically brings pleasant fall weather, with average highs around 70°F and lows near 40°F — a 30°F daily swing. Over 55 years of records, the warmest September 30th was in 2024 (73°F average), while the coldest was 1985 (32°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 16% of September 30th dates historically, with the wettest September 30th recording 3.23" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for September 30th in Theodore Roosevelt? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 49°F | 0" | -- |
| 2024 | 96°F | 50°F | 0" | -- |
| 2023 | 74°F | 49°F | 0" | -- |
| 2022 | 85°F | 40°F | 0" | -- |
| 2021 | 70°F | 53°F | 0" | -- |
| 2020 | 77°F | 39°F | 0" | -- |
| 2019 | 48°F | 42°F | 0.28" | -- |
| 2018 | 46°F | 35°F | 0" | -- |
| 2017 | 70°F | 41°F | 0" | -- |
| 2016 | 77°F | 43°F | 0" | -- |
| 2015 | 72°F | 33°F | 0" | -- |
| 2014 | 57°F | 44°F | 1.93" | -- |
| 2013 | 77°F | 44°F | 0.03" | -- |
| 2012 | 69°F | 47°F | 0.03" | -- |
| 2011 | 77°F | 44°F | 0" | -- |
| 2010 | 71°F | 34°F | 0" | 0" |
| 2009 | 70°F | 42°F | 0" | 0" |
| 2008 | 70°F | 31°F | 0" | 0" |
| 2007 | 81°F | 39°F | 0" | 0" |
| 2006 | 71°F | 40°F | 0" | 0" |
| 2005 | 84°F | 45°F | 0" | 0" |
| 2004 | 72°F | 40°F | 0" | 0" |
| 2003 | 57°F | 26°F | 0" | 0" |
| 2002 | 65°F | 43°F | -- | -- |
| 2001 | 80°F | 41°F | -- | -- |
| 2000 | 75°F | 50°F | -- | -- |
| 1999 | 55°F | 33°F | 0" | 0" |
| 1998 | 60°F | 37°F | -- | -- |
| 1997 | 75°F | 52°F | 0" | 0" |
| 1996 | 70°F | 40°F | 0" | 0" |
| 1995 | 74°F | 38°F | 0" | 0" |
| 1994 | 69°F | 46°F | 0.53" | 0" |
| 1993 | 72°F | 54°F | 0" | 0" |
| 1992 | 86°F | 33°F | 0" | 0" |
| 1991 | 56°F | 32°F | 0.08" | 0" |
| 1990 | 68°F | 39°F | 0" | 0" |
| 1989 | 91°F | 47°F | 0" | 0" |
| 1988 | 77°F | 45°F | 0" | 0" |
| 1987 | 80°F | 34°F | 0" | 0" |
| 1986 | 63°F | 35°F | 0" | 0" |
| 1985 | 46°F | 18°F | 0" | 0" |
| 1984 | 64°F | 20°F | 0" | 0" |
| 1983 | 43°F | 35°F | 0.25" | 0" |
| 1982 | 49°F | 32°F | 0" | 0" |
| 1981 | 64°F | 47°F | 0.15" | 0" |
| 1980 | 86°F | 48°F | 0" | 0" |
| 1979 | 75°F | 38°F | 0" | 0" |
| 1978 | 77°F | 33°F | 0" | 0" |
| 1977 | 53°F | 43°F | 3.23" | 0" |
| 1976 | 86°F | 40°F | 0" | 0" |
| 1975 | 64°F | -- | 0" | 0" |
| 1974 | 61°F | 17°F | 0" | 0" |
| 1973 | 84°F | 49°F | 0" | 0" |
| 1972 | 73°F | 39°F | 0" | 0" |
| 1971 | 73°F | 43°F | 0" | 0" |