Climate Insights for 15 de Setembro

Greater Manaus, Amazonas, Brazil

Hottest
September
32°C peak89°F peak
Coldest
April
26°C low78°F low
Wettest
March
377 mm rain14.8 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in 15 de Setembro is hot. The average annual temperature is 28°C and approximately 2,893 mm of precipitation falls per year. 15 de Setembro receives a notable amount of rainfall throughout the year, including during its driest month. 15 de Setembro sits near the equator, so seasonal temperature differences are minimal throughout the year.The climate in 15 de Setembro is hot. The average annual temperature is 82°F and approximately 113.9 in of precipitation falls per year. 15 de Setembro receives a notable amount of rainfall throughout the year, including during its driest month. 15 de Setembro sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 29°Average: 27°Min: 26°FebMax: 29°Average: 27°Min: 26°MarMax: 29°Average: 27°Min: 26°AprMax: 29°Average: 27°Min: 26°MayMax: 29°Average: 27°Min: 26°JunMax: 29°Average: 27°Min: 26°JulMax: 30°Average: 28°Min: 26°AugMax: 31°Average: 29°Min: 27°SepMax: 32°Average: 29°Min: 27°OctMax: 31°Average: 29°Min: 27°NovMax: 30°Average: 28°Min: 27°DecMax: 29°Average: 27°Min: 26°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 84°FAverage: 81°FMin: 78°FFebMax: 84°FAverage: 81°FMin: 78°FMarMax: 84°FAverage: 81°FMin: 78°FAprMax: 84°FAverage: 81°FMin: 78°FMayMax: 84°FAverage: 81°FMin: 78°FJunMax: 85°FAverage: 81°FMin: 78°FJulMax: 86°FAverage: 82°FMin: 79°FAugMax: 88°FAverage: 84°FMin: 80°FSepMax: 89°FAverage: 85°FMin: 81°FOctMax: 88°FAverage: 84°FMin: 81°FNovMax: 87°FAverage: 83°FMin: 80°FDecMax: 84°FAverage: 81°FMin: 78°F
Max
Average
Min

15 de Setembro has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 29°C. April is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.15 de Setembro has relatively stable temperatures year-round, staying within a 11°F range. The warmest month is September, when average highs reach 89°F and the mean temperature sits around 85°F. April is the coolest month, with minimum temperatures around 78°F and an average of 81°F. Daily temperature variation is modest, with an average difference of 7°F between highs and lows.

Precipitation

0mm50mm100mm150mm200mm250mm300mm350mm400mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 302mmFebPrecipitation: 331mmMarPrecipitation: 377mmAprPrecipitation: 375mmMayPrecipitation: 357mmJunPrecipitation: 198mmJulPrecipitation: 78mmAugPrecipitation: 67mmSepPrecipitation: 98mmOctPrecipitation: 142mmNovPrecipitation: 211mmDecPrecipitation: 358mm
Precipitation
0in2in4in6in8in10in12in14inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 11.9inFebPrecipitation: 13inMarPrecipitation: 14.8inAprPrecipitation: 14.8inMayPrecipitation: 14inJunPrecipitation: 7.8inJulPrecipitation: 3.1inAugPrecipitation: 2.6inSepPrecipitation: 3.9inOctPrecipitation: 5.6inNovPrecipitation: 8.3inDecPrecipitation: 14.1in
Precipitation

15 de Setembro is a very wet location, receiving approximately 2,893 mm of precipitation annually, which averages out to around 241 mm per month. The wettest month is March, averaging 377 mm of rainfall. April and December also tend to see above-average precipitation. The driest month is August, with just 67 mm. That's 310 mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.15 de Setembro is a very wet location, receiving approximately 113.9 in of precipitation annually, which averages out to around 9.5 in per month. The wettest month is March, averaging 14.8 in of rainfall. April and December also tend to see above-average precipitation. The driest month is August, with just 2.6 in. That's 12.2 in less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8km/hFebWind Speed: 8km/hMarWind Speed: 8km/hAprWind Speed: 7km/hMayWind Speed: 7km/hJunWind Speed: 7km/hJulWind Speed: 7km/hAugWind Speed: 7km/hSepWind Speed: 7km/hOctWind Speed: 7km/hNovWind Speed: 7km/hDecWind Speed: 7km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5mphFebWind Speed: 5mphMarWind Speed: 5mphAprWind Speed: 4mphMayWind Speed: 4mphJunWind Speed: 4mphJulWind Speed: 4mphAugWind Speed: 5mphSepWind Speed: 4mphOctWind Speed: 4mphNovWind Speed: 4mphDecWind Speed: 4mph
Wind Speed

15 de Setembro is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.15 de Setembro is mildly breezy, with an average annual wind speed of 4mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is February, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Monthly Climate Data

The table below shows monthly climate averages for 15 de Setembro based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for 15 de Setembro based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C78 °F
29 °C84 °F
8 km/h5 mph
302 mm11.9 in
0 cm0 in
Feb
26 °C78 °F
29 °C84 °F
8 km/h5 mph
331 mm13 in
0 cm0 in
Mar
26 °C78 °F
29 °C84 °F
8 km/h5 mph
377 mm14.8 in
0 cm0 in
Apr
26 °C78 °F
29 °C84 °F
7 km/h4 mph
375 mm14.8 in
0 cm0 in
May
26 °C78 °F
29 °C84 °F
7 km/h4 mph
357 mm14 in
0 cm0 in
Jun
26 °C78 °F
29 °C85 °F
7 km/h4 mph
198 mm7.8 in
0 cm0 in
Jul
26 °C79 °F
30 °C86 °F
7 km/h4 mph
78 mm3.1 in
0 cm0 in
Aug
27 °C80 °F
31 °C88 °F
7 km/h5 mph
67 mm2.6 in
0 cm0 in
Sep
27 °C81 °F
32 °C89 °F
7 km/h4 mph
98 mm3.9 in
0 cm0 in
OctCurrent
27 °C81 °F
31 °C88 °F
7 km/h4 mph
142 mm5.6 in
0 cm0 in
Nov
27 °C80 °F
30 °C87 °F
7 km/h4 mph
211 mm8.3 in
0 cm0 in
Dec
26 °C78 °F
29 °C84 °F
7 km/h4 mph
358 mm14.1 in
0 cm0 in