Climate averages 1991–2020

Jacobina weather
in September.

A warm, fairly dry month: the 8th warmest and the 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 18.3°C Night-time mean, September
Rainfall 29 mm 10 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Jacobina · average highYear overview

September is a warm month in Jacobina: daytime highs average 27.2°C and nights cool to about 18.3°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 29 mm of rain on roughly 10 days, which makes September a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 02 min on an average September day.

The nearest other city in this atlas is Campo Formoso (78 km away). In September its highs average 27.0°C, about as warm as Jacobina, with 29 mm of rain.

Among the 448 cities listed in Brazil, Jacobina ranks joint 230th of 448 for the warmest September highs and joint 87th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Jacobina is 0.4°C cooler than that mean.

From September to October, average highs rise by 2.4°C to 29.5°C, and monthly rainfall rises from 29 mm to 32 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. 1520253035 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 1000

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

Every month, side by side

Jacobina climate table

1991–2020
Monthly climate averages for Jacobina, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 30.0°C21.2°C21.2°C8111.112.713 h
February 30.0°C21.4°C21.4°C6112.012.512 h
March 29.9°C21.4°C21.4°C7414.012.212 h
April 28.4°C21.0°C21.0°C5515.011.912 h
May 26.5°C19.9°C19.9°C4913.911.612 h
June 24.8°C18.8°C18.8°C4916.111.511 h
July 24.2°C17.7°C17.7°C4615.911.512 h
August 24.8°C17.5°C17.5°C4414.711.712 h
September, selected 27.2°C18.3°C18.3°C2910.112.012 h
October 29.5°C19.7°C19.7°C326.712.312 h
November 29.7°C20.6°C20.6°C689.412.613 h
December 29.9°C21.0°C21.0°C658.912.813 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 Jacobina

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