Climate averages 1991–2020

Jataí weather
in September.

A hot, moderately wet month: the warmest and the 5th driest of the year.

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

Average high 30.8°C Daytime mean, September
Average low 19.4°C Night-time mean, September
Rainfall 60 mm 8 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Jataí · average highYear overview

September is a hot month in Jataí: daytime highs average 30.8°C and nights cool to about 19.4°C. By daytime temperature it is the warmest month of the year.

Expect about 60 mm of rain on roughly 8 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average September day.

The nearest other city in this atlas is Rio Verde (84 km away). In September its highs average 31.4°C, 0.5°C warmer than Jataí, with 53 mm of rain.

Among the 448 cities listed in Brazil, Jataí ranks joint 101st of 448 for the warmest September highs and joint 207th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Jataí is 3.3°C warmer than that mean.

From September to October, average highs fall by 0.8°C to 30.0°C, and monthly rainfall rises from 60 mm to 143 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. 101520253035 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

Jataí climate table

1991–2020
Monthly climate averages for Jataí, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.8°C20.3°C20.3°C24325.613.113 h
February 28.1°C20.2°C20.2°C21523.512.713 h
March 28.0°C19.9°C19.9°C21625.112.212 h
April 27.7°C18.8°C18.8°C9413.311.712 h
May 26.6°C16.5°C16.5°C325.311.311 h
June 26.6°C15.5°C15.5°C111.411.111 h
July 27.1°C15.4°C15.4°C5.91.111.211 h
August 29.3°C17.0°C17.0°C132.011.512 h
September, selected 30.8°C19.4°C19.4°C608.312.012 h
October 30.0°C20.2°C20.2°C14318.712.512 h
November 28.3°C20.0°C20.0°C20322.912.913 h
December 27.9°C20.2°C20.2°C23226.213.213 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 Jataí

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