Daily brief · Brazil

São Luís 2026-09-26

Verified against recorded weather

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

extreme

A single day could bring around 7.7mm of rain on 2026-09-27 — above the local heavy-rain reference for this time of year (around 4.2mm in a day). Construction, drainage, and outdoor events should review schedules.

outdoor events · drainage operators · agriculture · soy farmers · sugarcane growers · cotton growers

Water conditions are improving

strong

Around 41.7mm of rain has fallen over the past 14 days — above the 7.8mm typical for this period. A healthier water balance is restoring across this area.

hydro operators · agriculture · reservoir ops · soy farmers · sugarcane growers · cotton growers

Rainfall is trending above the usual

high

Around 8.6mm of rain may fall in the next 48 hours — above the 1.2mm typical for this period. Field access, drying, and outdoor logistics may be affected.

farmers · tourism · logistics · soy farmers · sugarcane growers · cotton growers

What the day recorded · Open-Meteo daily archive

Rain 1.5 mmMax 32.6 °CMin 25.7 °CGusts 37.4 km/h
Water conditions are improving: recorded 1.5 mm vs a local baseline of 7.8 mm — below the local baseline
Rainfall is trending above the usual: recorded 1.5 mm vs a local baseline of 1.2 mm — near the local baseline

Directional single-day check: recorded daily values compared against the historical baseline each signal was measured from. Signals cover multi-day windows, so this is context, not a forecast grade.

What people were seeing · community field reports

No field observations were posted for this place on 2026-09-26.

Market context · futures market

sugar · surge · 7d +6.8%
cotton · surge · 7d +6.6%