Climate averages 1991–2020

Goianésia weather
in September.

A hot, fairly dry month: the warmest and the 5th driest of the year.

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

Average high 33.3°C Daytime mean, September
Average low 22.0°C Night-time mean, September
Rainfall 26 mm 5 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Goianésia · average highYear overview

September is a hot month in Goianésia: daytime highs average 33.3°C and nights cool to about 22.0°C. By daytime temperature it is the warmest month of the year.

Expect about 26 mm of rain on roughly 5 days, which makes September a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average September day.

The nearest other city in this atlas is Águas Lindas de Goiás (102 km away). In September its highs average 29.8°C, 3.5°C cooler than Goianésia, with 30 mm of rain.

Among the 448 cities listed in Brazil, Goianésia ranks joint 40th of 448 for the warmest September highs and joint 79th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Goianésia is 5.8°C warmer than that mean.

From September to October, average highs fall by 1.2°C to 32.1°C, and monthly rainfall rises from 26 mm to 115 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. 152025303540 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 3000

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

Every month, side by side

Goianésia climate table

1991–2020
Monthly climate averages for Goianésia, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.4°C20.9°C20.9°C26223.512.913 h
February 28.8°C20.8°C20.8°C20521.312.613 h
March 28.7°C20.8°C20.8°C19922.212.212 h
April 29.1°C20.5°C20.5°C7912.311.812 h
May 29.4°C19.4°C19.4°C142.611.411 h
June 29.1°C18.4°C18.4°C2.90.511.211 h
July 29.5°C18.3°C18.3°C0.30.111.311 h
August 31.5°C19.8°C19.8°C3.30.811.612 h
September, selected 33.3°C22.0°C22.0°C264.812.012 h
October 32.1°C22.0°C22.0°C11515.312.412 h
November 29.2°C21.1°C21.1°C22622.912.813 h
December 28.5°C21.0°C21.0°C27624.213.013 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 Goianésia

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