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Brazil's National Institute of Meteorology (Inmet) forecasts above-average rainfall across much of the South for October, raising risks of disease and harvest delays for wheat and disruption to soybean and corn planting. Central-West, Northeast and North areas may see reduced water availability due to irregular rainfall and high temperatures.
Excess rain in the South could cut wheat quality and yields and slow soybean and corn sowing, while dryness in the Central-West could hurt early crop development, supporting prices for soy and corn feed ingredients.
aboissa.com.brVanessa FerreiraSep 25, 2026After 1,079 past bullish weather events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% over 20.
After 1,465 past bullish weather events, Corn moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% over 20.
After 1,072 past bullish weather events, Wheat (SRW) moved a median +0.2% over 5 sessions (55% higher; middle half -1.4% to +2.3%), and +0.3% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
