Climate averages 1991–2020

Almirante Tamandaré 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 21.0°C Daytime mean, September
Average low 12.4°C Night-time mean, September
Rainfall 124 mm 10 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Almirante Tamandaré · average highYear overview

September is a mild month in Almirante Tamandaré: daytime highs average 21.0°C and nights cool to about 12.4°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 124 mm of rain on roughly 10 days, which makes September a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average September day.

The nearest other city in this atlas is Colombo, Brazil (9 km away). In September its highs average 20.2°C, 0.8°C cooler than Almirante Tamandaré, with 124 mm of rain.

Among the 448 cities listed in Brazil, Almirante Tamandaré ranks joint 424th of 448 for the warmest September highs and joint 366th of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Almirante Tamandaré is 6.5°C cooler than that mean.

From September to October, average highs rise by 1.4°C to 22.4°C, and monthly rainfall rises from 124 mm to 125 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

Almirante Tamandaré climate table

1991–2020
Monthly climate averages for Almirante Tamandaré, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 25.0°C17.7°C17.7°C23322.913.514 h
February 25.0°C17.9°C17.9°C19320.213.013 h
March 24.0°C17.0°C17.0°C12617.412.312 h
April 22.4°C15.1°C15.1°C709.611.512 h
May 19.3°C12.1°C12.1°C868.810.911 h
June 18.3°C10.7°C10.7°C948.510.611 h
July 18.2°C10.0°C10.0°C857.410.711 h
August 19.9°C10.7°C10.7°C727.211.211 h
September, selected 21.0°C12.4°C12.4°C12410.411.912 h
October 22.4°C14.2°C14.2°C12514.112.713 h
November 23.1°C15.1°C15.1°C12314.813.313 h
December 24.7°C16.8°C16.8°C16418.713.714 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 Almirante Tamandaré

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

Colombo, Brazil lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.