All seasons · Atlantic
2009 Atlantic hurricane season
The 2009 Atlantic season has 11 storms in the best-track record; 9 reached tropical-storm strength and 3 became hurricanes, 2 of them major. Its accumulated cyclone energy of 52.6 is the 47th-lowest of the 175 seasons in the Atlantic record since 1851. Bill was the strongest, peaking at 130 mph as a Category 4 hurricane. Landfall records exist for 4 of its storms, in Florida, Guadeloupe, Newfoundland and Labrador and Nicaragua. The first record is dated May 28, the last November 10.
Storm by storm
More storms formed in August than in any other month of 2009: 4 of 11. Bill both lasted longest, 9.0 days as a tropical or subtropical system, and contributed the most energy, 50% of the season's ACE. Strongest landfall of each storm: Bill reached Newfoundland and Labrador as a tropical storm on August 24; Claudette reached Florida as a tropical storm on August 17; Erika reached Guadeloupe as a tropical storm on September 2; Ida reached Nicaragua as a Category 1 hurricane on November 5.
| Storm | Dates | Peak | Strength | Lowest | Landfalls |
|---|---|---|---|---|---|
| One | May 28–29 | 35 mph | Depression | 1006 mb | – |
| Ana | Aug 11–16 | 40 mph | Tropical storm | 1003 mb | – |
| Bill | Aug 15–24 | 130 mph | Category 4 | 943 mb | Newfoundland and Labrador |
| Claudette | Aug 16–17 | 60 mph | Tropical storm | 1005 mb | Florida |
| Danny | Aug 26–29 | 60 mph | Tropical storm | 1006 mb | – |
| Erika | Sep 1–3 | 50 mph | Tropical storm | 1004 mb | Guadeloupe |
| Fred | Sep 7–12 | 120 mph | Category 3 | 958 mb | – |
| Eight | Sep 25–26 | 35 mph | Depression | 1008 mb | – |
| Grace | Oct 4–6 | 65 mph | Tropical storm | 986 mb | – |
| Henri | Oct 6–8 | 50 mph | Tropical storm | 1005 mb | – |
| Ida | Nov 4–10 | 105 mph | Category 2 | 975 mb | Nicaragua |
Against other Atlantic seasons
Accumulated cyclone energy of every season; the red bar is 2009.