Daily brief · Brazil

Florianópolis 2026-09-20

Verified against recorded weather

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

A heavy rain day could hit

high

A single day could bring around 13.6mm of rain on 2026-09-20 — above the local heavy-rain reference for this time of year (around 10mm in a day). Construction, drainage, and outdoor events should review schedules.

outdoor events · drainage operators · agriculture · fishing

A dry stretch is forming

medium

6 dry days in a row could start 2026-09-23. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

agriculture · fishing

A cold stretch is on the way

low

3 days in a row could stay below 15°C, starting 2026-09-23. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

crop growers · outdoor hospitality

Water conditions are improving

active

Around 56.3mm of rain has fallen over the past 14 days — above the 4.4mm typical for this period. A healthier water balance is restoring across this area.

hydro operators · agriculture · reservoir ops · fishing

Rainfall is trending above the usual

medium

Around 14.2mm of rain may fall in the next 48 hours — above the 0.6mm typical for this period. Field access, drying, and outdoor logistics may be affected.

farmers · tourism · logistics · fishing

What the day recorded · Open-Meteo daily archive

Rain 9.5 mmMax 24.2 °CMin 18.6 °CGusts 57.6 km/h
Water conditions are improving: recorded 9.5 mm vs a local baseline of 4.4 mm — above 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 2026-09-20.