Climate averages 1991–2020

Cachoeiro de Itapemirim weather
in September.

A warm, moderately wet month: the 8th warmest and the 5th driest of the year.

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

Average high 27.2°C Daytime mean, September
Average low 17.8°C Night-time mean, September
Rainfall 76 mm 10 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Cachoeiro de Itapemirim · average highYear overview

September is a warm month in Cachoeiro de Itapemirim: daytime highs average 27.2°C and nights cool to about 17.8°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 76 mm of rain on roughly 10 days, which makes September a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 58 min on an average September day.

The nearest other city in this atlas is Guarapari (66 km away). In September its highs average 25.8°C, 1.4°C cooler than Cachoeiro de Itapemirim, with 57 mm of rain.

Among the 448 cities listed in Brazil, Cachoeiro de Itapemirim ranks joint 230th of 448 for the warmest September highs and joint 268th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Cachoeiro de Itapemirim is 0.3°C cooler than that mean.

From September to October, average highs rise by 1.0°C to 28.1°C, and monthly rainfall rises from 76 mm to 118 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

Cachoeiro de Itapemirim climate table

1991–2020
Monthly climate averages for Cachoeiro de Itapemirim, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.8°C22.4°C22.4°C14313.213.213 h
February 31.2°C22.4°C22.4°C10811.212.813 h
March 29.8°C21.9°C21.9°C16616.612.212 h
April 28.0°C20.4°C20.4°C10814.711.612 h
May 26.1°C18.1°C18.1°C6010.311.111 h
June 25.5°C16.7°C16.7°C377.310.911 h
July 25.1°C16.1°C16.1°C438.211.011 h
August 25.8°C16.3°C16.3°C408.111.411 h
September, selected 27.2°C17.8°C17.8°C7610.212.012 h
October 28.1°C19.5°C19.5°C11812.512.613 h
November 28.0°C20.5°C20.5°C20117.613.113 h
December 29.5°C21.8°C21.8°C22518.813.413 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 Cachoeiro de Itapemirim

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 Cachoeiro de Itapemirim) is explained once on the Cachoeiro de Itapemirim year overview and on the Sources, method and limits page.