Maracaçumé weather in September

In September, Maracaçumé sees average daytime highs of 32°C and overnight lows near 23°C, with 21 mm of rain across 6.3 wet days and about 12 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 46% 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 Maracaçumé's 1st-clearest and 2nd-windiest month. For the whole year in context, see Maracaçumé's year-round climate.

Daytime high
32°
4th warmest
Overnight low
23°
5th coldest
Rainfall
21 mm
6.3 wet days
Daylight
12 hours
5:58 AM – 5:58 PM
Cloud cover
44%
1st clearest
Wind
11 km/h
2nd windiest
Solar energy
5.76 kWh/m²
Travel score
4.3
out of 10

Maracaçumé is 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 32°C through the month.

A typical September day in Maracaçumé reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213323
223323
233323
243323
253323
263323
273323
283323
293323
303323

How September really feels in Maracaçumé

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.

Maracaçumé weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°19124.712.12.9
Feb30° / 23°2642612.12.7
Mar30° / 23°33730.2122.7
Apr30° / 23°32928.8122.7
May30° / 23°21326.711.93.0
Jun30° / 23°10520.911.93.7
Jul30° / 22°7817.411.94.2
Aug31° / 22°3510.611.94.6
Sep32° / 23°216.3124.3
Oct33° / 23°215.4123.9
Nov33° / 24°316.612.13.7
Dec33° / 24°7413.112.13.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 39% of September, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48812
58812
68812
78713
88713
98713
108713
118713
128713
138713
148713
158614
168614
178614
188515
198515
208515
218515
228515
238416
248416
258416
268416
278416
288317
298317
308218

Chance of precipitation in September

Any precipitation

Maracaçumé gets around 21 mm of rain over 6.3 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 21% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
325
425
525
624
724
823
923
1023
1123
1223
1322
1422
1522
1622
1722
1821
1921
2021
2120
2220
2319
2418
2518
2618
2717
2817
2917
3016

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
12980
22980
32980
42980
52980
63970
73961
83961
93961
104951
114951
124951
134951
145941
155950
165950
175950
186940
196940
206940
216940
226940
237930
247930
257930
267930
277930
287930
298920
308920

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 6:05 AM to 5:53 AM, and sunset from 6:02 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:056:02
212.06:046:02
312.06:046:02
412.06:046:02
512.06:036:01
612.06:036:01
712.06:026:01
812.06:026:00
912.06:016:00
1012.06:016:00
1112.06:015:59
1212.06:005:59
1312.06:005:59
1412.05:595:58
1512.05:595:58
1612.05:585:58
1712.05:585:58
1812.05:585:57
1912.05:575:57
2012.05:575:57
2112.05:565:56
2212.05:565:56
2312.05:565:56
2412.05:555:55
2512.05:555:55
2612.05:545:55
2712.05:545:54
2812.05:535:54
2912.05:535:54
3012.05:535:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.76 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 5.9 kWh/m² in October across the year — September's 5.76 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Maracaçumé

In seasonPeak

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

Maracaçumé'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 Maracaçumé?

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

4.3
Sightseeing
2nd-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Maracaçumé in September

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

In September, Maracaçumé sees daytime highs around 32°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Maracaçumé 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 Maracaçumé peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 16UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Maracaçumé 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 Maracaçumé is worst in December — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1220 µg/m³Jul 147 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar17Moderate
Apr13Moderate
May9Good
Jun7Good
Jul7Good
Aug8Good
Sep10Good
Oct12Good
Nov19Moderate
Dec20Moderate
Location & terrain

Where is Maracaçumé?

Maracaçumé sits at 2.0°S, 46.0°W, 33 m above sea level, in Brazil. The nearest listed city is Governador Nunes Freire, 12 km away.

Topography around Maracaçumé

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

Within 3 km, the terrain around Maracaçumé has only modest variations in elevation — a maximum elevation change of 46 m around an average of 33 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Maracaçumé is covered by grassland (73%) within 3 km, grassland (70%) and trees (29%) within 16 km, and trees (52%) and grassland (45%) within 80 km.

3 km
46 m
16 km
72 m
80 km
206 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Governador Nunes Freire 12 km · Centro Novo do Maranhão 21 km · Santa Luzia do Paruá 59 km · Cândido Mendes 70 km · Cachoeira do Piriá 72 km · Turilândia 75 km · Santa Helena 76 km · Turiaçu 78 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 Maracaçumé (-2.0428°, -45.9592°, elevation 33 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. 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).