Climate averages 1991–2020

Lajeado weather
in September.

A mild, wet month: the 8th warmest and the 8th driest of the year.

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

Average high 21.8°C Daytime mean, September
Average low 12.0°C Night-time mean, September
Rainfall 161 mm 12 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Lajeado · average highYear overview

September is a mild month in Lajeado: daytime highs average 21.8°C and nights cool to about 12.0°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 161 mm of rain on roughly 12 days, which makes September a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 54 min on an average September day.

The nearest other city in this atlas is Santa Cruz do Sul (53 km away). In September its highs average 21.5°C, about as warm as Lajeado, with 161 mm of rain.

Among the 448 cities listed in Brazil, Lajeado ranks joint 403rd of 448 for the warmest September highs and joint 433rd of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Lajeado is 5.7°C cooler than that mean.

From September to October, average highs rise by 2.1°C to 23.9°C, and monthly rainfall rises from 161 mm to 198 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 2000

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

Every month, side by side

Lajeado climate table

1991–2020
Monthly climate averages for Lajeado, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.9°C19.8°C19.8°C18116.413.814 h
February 28.5°C19.7°C19.7°C16215.413.113 h
March 27.3°C18.3°C18.3°C13313.812.312 h
April 24.6°C15.5°C15.5°C13210.711.411 h
May 20.9°C12.2°C12.2°C12210.110.711 h
June 19.1°C10.3°C10.3°C12610.110.310 h
July 18.5°C9.2°C9.2°C15910.610.410 h
August 20.7°C10.5°C10.5°C12610.211.111 h
September, selected 21.8°C12.0°C12.0°C16112.411.912 h
October 23.9°C14.4°C14.4°C19814.412.813 h
November 26.0°C15.9°C15.9°C14612.513.614 h
December 28.3°C18.3°C18.3°C16614.514.014 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 Lajeado

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 Lajeado) is explained once on the Lajeado year overview and on the Sources, method and limits page.