Climate averages 1991–2020

Indaial weather
in September.

A warm, wet month: the 9th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 22.0°C Daytime mean, September
Average low 14.5°C Night-time mean, September
Rainfall 168 mm 13 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Indaial · average highYear overview

September is a warm month in Indaial: daytime highs average 22.0°C and nights cool to about 14.5°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 168 mm of rain on roughly 13 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 55 min on an average September day.

The nearest other city in this atlas is Blumenau (17 km away). In September its highs average 22.2°C, about as warm as Indaial, with 158 mm of rain.

Among the 448 cities listed in Brazil, Indaial ranks joint 399th of 448 for the warmest September highs and 439th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Indaial is 5.6°C cooler than that mean.

From September to October, average highs rise by 1.7°C to 23.7°C, and monthly rainfall falls from 168 mm to 161 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 5101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Indaial climate table

1991–2020
Monthly climate averages for Indaial, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.1°C20.8°C20.8°C24222.313.614 h
February 28.1°C21.0°C21.0°C22020.413.013 h
March 27.0°C20.0°C20.0°C14819.312.312 h
April 25.1°C17.8°C17.8°C9611.811.511 h
May 22.1°C14.5°C14.5°C11211.110.811 h
June 20.5°C12.6°C12.6°C11410.110.510 h
July 20.0°C11.7°C11.7°C10410.610.611 h
August 21.1°C12.7°C12.7°C10010.111.211 h
September, selected 22.0°C14.5°C14.5°C16813.411.912 h
October 23.7°C16.5°C16.5°C16117.312.713 h
November 25.2°C17.7°C17.7°C15518.013.413 h
December 27.3°C19.6°C19.6°C18819.513.814 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Indaial

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Indaial) is explained once on the Indaial year overview and on the Sources, method and limits page.