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August 31 in storm history

35 storms in the historical record were active on August 31 — 23 hurricanes, 18 of them major (Category 3+). The strongest was Dorian (2019), a Category 5 hurricane peaking at 160 kt. Data: NOAA HURDAT2 best-track archive (2015–present on this site).

← August-30 September-1 → Today's briefing Season archive

2020s

Lowell (2026) CAT 5 140 kt peak 08-27 → 09-11

Ida (2021) CAT 4 130 kt peak 08-26 → 09-04

Franklin (2023) CAT 4 130 kt peak 08-19 → 09-09

Kiko (2025) CAT 4 125 kt peak 08-31 → 09-11

Karina (2026) CAT 4 125 kt peak 08-27 → 09-07

Idalia (2023) CAT 4 115 kt peak 08-26 → 09-08

Larry (2021) CAT 3 110 kt peak 08-31 → 09-11

Danielle (2022) CAT 1 75 kt peak 08-31 → 09-15

Hone (2024) CAT 1 75 kt peak 08-22 → 09-01

Jose (2023) TS 55 kt peak 08-29 → 09-01

Iselle (2020) TS 50 kt peak 08-25 → 08-31

Julian (2021) TS 50 kt peak 08-28 → 08-31

Gert (2023) TS 50 kt peak 08-19 → 09-04

Katia (2023) TS 50 kt peak 08-30 → 09-15

Edouard (2026) TS 50 kt peak 08-31 → 09-03

Javier (2022) TS 45 kt peak 08-31 → 09-07

Kate (2021) TS 40 kt peak 08-27 → 09-01

Irwin (2023) TS 40 kt peak 08-26 → 09-03

Omar (2020) TS 35 kt peak 08-30 → 09-06

2010s

Dorian (2019) CAT 5 160 kt peak 08-24 → 09-09

Irma (2017) CAT 5 155 kt peak 08-30 → 09-13

Jimena (2015) CAT 4 135 kt peak 08-25 → 09-10

Norman (2018) CAT 4 130 kt peak 08-27 → 09-10

Florence (2018) CAT 4 130 kt peak 08-30 → 09-18

Ignacio (2015) CAT 4 125 kt peak 08-23 → 09-08

Lester (2016) CAT 4 125 kt peak 08-24 → 09-08

Kilo (2015) CAT 4 120 kt peak 08-20 → 09-11

Madeline (2016) CAT 4 115 kt peak 08-26 → 09-03

Harvey (2017) CAT 4 115 kt peak 08-16 → 09-02

Gaston (2016) CAT 3 105 kt peak 08-21 → 09-03

Miriam (2018) CAT 2 85 kt peak 08-25 → 09-03

Fred (2015) CAT 1 75 kt peak 08-30 → 09-06

Hermine (2016) CAT 1 70 kt peak 08-28 → 09-08

Lidia (2017) TS 55 kt peak 08-29 → 09-03

Kevin (2015) TS 50 kt peak 08-31 → 09-06

Peak winds are lifetime maxima from the NOAA best-track archive, not necessarily the intensity on August 31. Browse all-time records or seasons year by year.