Haiti Monthly Climate and Weather, September 2026
Summary: FEWS NET's monthly climate and weather report for Haiti, covering September 2026 and issued October 15. El Niño continued to strengthen, with a greater than 83 percent probability of a strong to very strong event through January to March 2027. September rainfall peaked at 75 to 150 mm in central and southeastern Haiti, and maximum temperatures ran 1 to 4 degrees above the mean.
Key Findings
- El Niño continued to strengthen, with a greater than 83 percent probability that a strong to very strong event persists through January to March 2027.
- September rainfall peaked at 75 to 150 mm in central and southeastern Haiti, while most of the east and south were below average.
- Rainfall was above average in western Nord-Ouest, northwestern Artibonite and western Grande-Anse.
- Maximum temperatures were 1 to 4 degrees above the mean across most of Haiti, and minimum temperatures 1 to 3 degrees above.
- The Standardized Precipitation Index was negative in most of Centre and parts of the south, and the forecast keeps southern Haiti drier than average.
- The November 2026 to January 2027 forecast gives a 36 to 50 percent probability of above-normal rainfall in most of Haiti and over 70 percent for above-normal mean temperatures in the north, west and south.
- Long-term rainfall deficits have degraded vegetation in some areas and affected the maize sowing season.
How to cite
Famine Early Warning Systems Network (FEWS NET), Haiti Monthly Climate and Weather, September 2026, https://fews.net/latin-america-and-caribbean/haiti
- Rights holder
- Famine Early Warning Systems Network (FEWS NET)