Maracanã weather in September

In September, Maracanã sees average daytime highs of 30°C and overnight lows near 25°C, with 24 mm of rain across 8.4 wet days and about 12 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Maracanã's 1st-clearest and 1st-windiest month. For the whole year in context, see Maracanã's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
25°
10th coldest
Rainfall
24 mm
8.4 wet days
Daylight
12 hours
6:04 AM – 6:04 PM
Cloud cover
39%
1st clearest
Wind
14 km/h
1st windiest
Solar energy
6.18 kWh/m²
Travel score
5.2
out of 10

Maracanã is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Maracanã reaches about 30°C in the afternoon and slips back to 25°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143025
153025
163025
173025
183025
193025
203025
213025
223025
233025
243025
253025
263025
273025
283025
293025
303025

How September really feels in Maracanã

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Maracanã weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°24427.8123.1
Feb29° / 24°32827.2123.0
Mar29° / 24°42530.5122.9
Apr29° / 24°38329.4122.9
May29° / 24°26728123.1
Jun30° / 24°12924.2123.5
Jul30° / 24°9422.6123.8
Aug30° / 25°4416.6124.5
Sep30° / 25°248.4125.2
Oct31° / 25°186125.3
Nov31° / 25°266.9125.0
Dec30° / 25°8918124.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
29010
39010
49010
58911
68911
78911
89010
99010
109010
119010
129010
139010
148911
158812
168812
178812
188713
198713
208614
218614
228515
238515
248515
258515
268515
278416
288416
298317
308317

Chance of precipitation in September

Any precipitation

Maracanã gets around 24 mm of rain over 8.4 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
434
533
632
732
832
931
1031
1131
1231
1330
1430
1529
1629
1728
1828
1927
2027
2126
2225
2324
2423
2523
2622
2721
2821
2920
3020

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the oppressive band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15446
25644
35743
45842
55941
65941
76040
86139
96139
106238
116238
126337
136436
146436
156535
166634
176733
186832
196931
207030
217129
227228
237327
247426
257426
267525
277624
287624
297624
307723

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 6:10 AM to 5:59 AM, and sunset from 6:09 PM to 5:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:106:09
212.06:106:09
312.06:096:08
412.06:096:08
512.06:096:08
612.06:086:07
712.06:086:07
812.06:076:07
912.06:076:06
1012.06:076:06
1112.06:066:06
1212.06:066:05
1312.06:056:05
1412.06:056:05
1512.06:056:04
1612.06:046:04
1712.06:046:04
1812.06:036:03
1912.06:036:03
2012.06:036:03
2112.06:026:02
2212.06:026:02
2312.06:026:02
2412.06:016:01
2512.06:016:01
2612.06:006:01
2712.06:006:00
2812.06:006:00
2912.05:596:00
3012.05:595:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.18 kWh/m².

For context, solar energy here swings from a low near 4.07 kWh/m² to a high of 6.31 kWh/m² in October across the year — September's 6.18 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Maracanã

In seasonPeak

None of Maracanã's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Maracanã's monsoon runs January–May, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Maracanã?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
2nd-best month of the year
7.3
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Maracanã for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Maracanã in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Maracanã sees daytime highs around 30°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

Sea temperature near Maracanã in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in June at about 29°C and coldest in February near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct28Tropical
Nov28Tropical
Dec28Tropical

UV index in Maracanã in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Maracanã peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 20 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 15Jul 20UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Maracanã in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Maracanã is worst in February — around 22 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (July, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2022 µg/m³Jul 127 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar21Moderate
Apr16Moderate
May9Good
Jun7Good
Jul7Good
Aug8Good
Sep10Good
Oct11Good
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Maracanã?

Maracanã sits at 0.8°S, 47.5°W, 1 m above sea level, in Brazil. The nearest listed city is Salinópolis, 20 km away.

Topography around Maracanã

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Maracanã.

Within 3 km, the terrain around Maracanã has only modest variations in elevation — a maximum elevation change of 40 m around an average of 16 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, only modest variations in elevation — a maximum elevation change of 102 m.

The land around Maracanã is covered by trees (38%), mangroves (33%) and water (20%) within 3 km, trees (54%) and mangroves (23%) within 16 km, and trees (39%) and water (36%) within 80 km.

3 km
40 m
16 km
55 m
80 km
102 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Salinópolis 20 km · Marapanim 28 km · São João de Pirabas 31 km · Igarapé-Açu 44 km · Curuçá 44 km · Capanema 56 km · São Caetano de Odivelas 63 km · Santa Maria do Pará 66 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Maracanã (-0.7707°, -47.4518°, elevation 1 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).