September 2020 storm reports: hail, wind and tornadoes
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In September 2020, 138 hail, 275 damaging-wind and 38 tornado reports were logged on 22 storm days across 38 states. The largest hail reported was 2.25″ (hen egg size) in Wake County, NC on September 25, 2020. The most hail reports came on September 5, 2020 (43). Radar estimated hail of 1 inch or larger on 27 days; the widest swath, on September 21, 2020, covered 1,156 square miles.
Source: NOAA Storm Prediction Center storm reports; NOAA MRMS radar hail estimates (MESH) via the Iowa Environmental Mesonet. Data through November 6, 2026. Methodology
← August 2020 All 2020 storm days October 2020 →
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Biggest storm days of September 2020
| Day | Hail | Wind | Tornado | Largest hail | States | Radar 1″+ area | Radar max |
|---|---|---|---|---|---|---|---|
| Sep 5, 2020 | 43 | 23 | 2 | 2.00″ | 7 | – | – |
| Sep 25, 2020 | 42 | 10 | 2 | 2.25″ | 5 | 394 mi² | 4.44″ |
| Sep 7, 2020 | 7 | 35 | 1 | 2.00″ | 5 | 170 mi² | 2.43″ |
| Sep 2, 2020 | 1 | 40 | 0 | 0.88″ | 6 | 67 mi² | 3.05″ |
| Sep 1, 2020 | 8 | 23 | 7 | 1.25″ | 11 | 718 mi² | 3.18″ |
| Sep 3, 2020 | 0 | 34 | 1 | – | 7 | 61 mi² | 2.18″ |
| Sep 29, 2020 | 0 | 29 | 2 | – | 4 | 9 mi² | 2.05″ |
| Sep 27, 2020 | 13 | 15 | 0 | 1.75″ | 5 | 246 mi² | 5.99″ |
| Sep 17, 2020 | 2 | 9 | 14 | 0.88″ | 4 | 93 mi² | 4.44″ |
| Sep 8, 2020 | 7 | 16 | 0 | 1.75″ | 7 | 509 mi² | 3.08″ |
Largest hail reported in September 2020
| Day | Size | Location |
|---|---|---|
| Sep 25, 2020 | 2.25″ (hen egg) | Wake County, NC |
| Sep 5, 2020 | 2.00″ (hen egg) | Renville County, MN |
| Sep 5, 2020 | 2.00″ (hen egg) | Kandiyohi County, MN |
| Sep 7, 2020 | 2.00″ (hen egg) | Holmes County, OH |
| Sep 25, 2020 | 2.00″ (hen egg) | Wake County, NC |
| Sep 25, 2020 | 2.00″ (hen egg) | Wake County, NC |
| Sep 25, 2020 | 2.00″ (hen egg) | Wake County, NC |
| Sep 25, 2020 | 2.00″ (hen egg) | Ashland County, WI |
| Sep 5, 2020 | 1.75″ (golf ball) | Renville County, MN |
| Sep 5, 2020 | 1.75″ (golf ball) | Renville County, MN |
Storm reports by state, September 2020
| State | Hail | Wind | Tornado | Largest hail |
|---|---|---|---|---|
| North Carolina | 29 | 23 | 4 | 2.25″ |
| Minnesota | 43 | 12 | 0 | 2.00″ |
| Ohio | 3 | 28 | 1 | 2.00″ |
| Maryland | 0 | 30 | 1 | – |
| Wisconsin | 22 | 4 | 1 | 2.00″ |
| South Carolina | 0 | 11 | 13 | – |
| Texas | 5 | 16 | 1 | 1.00″ |
| Iowa | 4 | 17 | 0 | 1.75″ |
| Kansas | 15 | 4 | 0 | 1.75″ |
| Florida | 0 | 15 | 1 | – |
| North Dakota | 0 | 15 | 0 | – |
| Georgia | 0 | 8 | 6 | – |
| Missouri | 0 | 10 | 1 | – |
| Michigan | 1 | 9 | 0 | 1.00″ |
| New Mexico | 3 | 7 | 0 | 1.75″ |
| Indiana | 4 | 4 | 0 | 1.75″ |
| Arkansas | 0 | 4 | 3 | – |
| Oregon | 2 | 5 | 0 | 0.88″ |
| Tennessee | 0 | 5 | 2 | – |
| Arizona | 1 | 5 | 0 | 0.88″ |
| Idaho | 1 | 5 | 0 | 1.00″ |
| New York | 0 | 6 | 0 | – |
| Virginia | 0 | 4 | 2 | – |
| Delaware | 0 | 4 | 0 | – |
| Louisiana | 0 | 4 | 0 | – |
| Illinois | 1 | 2 | 0 | 1.00″ |
| Mississippi | 0 | 3 | 0 | – |
| West Virginia | 0 | 3 | 0 | – |
| Alabama | 0 | 2 | 0 | – |
| California | 0 | 0 | 2 | – |
| District of Columbia | 0 | 2 | 0 | – |
| Kentucky | 0 | 2 | 0 | – |
| Nebraska | 1 | 1 | 0 | 1.00″ |
| Oklahoma | 1 | 1 | 0 | 0.75″ |
| Pennsylvania | 0 | 2 | 0 | – |
| South Dakota | 2 | 0 | 0 | 1.25″ |
| Maine | 0 | 1 | 0 | – |
| New Jersey | 0 | 1 | 0 | – |
Every storm day in September 2020
Sep 1 Sep 2 Sep 3 Sep 4 Sep 5 Sep 6 Sep 7 Sep 8 Sep 9 Sep 10 Sep 12 Sep 16 Sep 17 Sep 19 Sep 23 Sep 24 Sep 25 Sep 26 Sep 27 Sep 28 Sep 29 Sep 30
A storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Read more about NOAA storm reports.