Climate averages 1991–2020

Bento Gonçalves weather
in September.

A mild, wet month: the 8th warmest and the 7th driest of the year.

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

Average high 19.9°C Daytime mean, September
Average low 10.1°C Night-time mean, September
Rainfall 172 mm 13 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Bento Gonçalves · average highYear overview

September is a mild month in Bento Gonçalves: daytime highs average 19.9°C and nights cool to about 10.1°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 172 mm of rain on roughly 13 days, which makes September a wet month (the 7th 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 Farroupilha (18 km away). In September its highs average 19.4°C, about as warm as Bento Gonçalves, with 173 mm of rain.

Among the 448 cities listed in Brazil, Bento Gonçalves ranks joint 440th of 448 for the warmest September highs and 440th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Bento Gonçalves is 7.7°C cooler than that mean.

From September to October, average highs rise by 1.9°C to 21.8°C, and monthly rainfall rises from 172 mm to 213 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. 51015202530 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

Bento Gonçalves climate table

1991–2020
Monthly climate averages for Bento Gonçalves, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 26.1°C17.1°C17.1°C21018.313.814 h
February 25.6°C16.9°C16.9°C18617.513.113 h
March 24.4°C15.7°C15.7°C15415.212.312 h
April 21.9°C13.2°C13.2°C14211.411.411 h
May 18.3°C10.1°C10.1°C13910.710.711 h
June 16.9°C8.4°C8.4°C14310.610.310 h
July 16.5°C7.5°C7.5°C17910.810.510 h
August 18.8°C8.8°C8.8°C13910.711.111 h
September, selected 19.9°C10.1°C10.1°C17212.811.912 h
October 21.8°C12.4°C12.4°C21314.812.813 h
November 23.4°C13.6°C13.6°C16313.413.614 h
December 25.6°C15.8°C15.8°C18915.714.014 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 Bento Gonçalves

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