Buriti Bravo weather in September

In September, Buriti Bravo sees average daytime highs of 36°C and overnight lows near 23°C, with 10 mm of rain across 1.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 69% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Buriti Bravo's 2nd-clearest and 4th-windiest month. For the whole year in context, see Buriti Bravo's year-round climate.

Daytime high
36°
1st warmest
Overnight low
23°
10th coldest
Rainfall
10 mm
1.3 wet days
Daylight
12 hours
5:51 AM – 5:49 PM
Cloud cover
32%
2nd clearest
Wind
9 km/h
4th windiest
Solar energy
6.46 kWh/m²
Travel score
2.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical September day in Buriti Bravo reaches about 36°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 37°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13523
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123623
133623
143623
153623
163623
173623
183623
193623
203623
213623
223623
233623
243623
253623
263623
273623
283623
293623
303623

How September really feels in Buriti Bravo

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.

Buriti Bravo weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°24325.512.32.9
Feb31° / 23°25024.212.22.8
Mar30° / 23°28127.5122.8
Apr31° / 23°18822.311.93.2
May32° / 23°7511.311.74.1
Jun32° / 23°81.811.74.6
Jul33° / 22°70.711.74.4
Aug34° / 23°10.211.83.7
Sep36° / 23°101.3122.8
Oct35° / 24°294.212.12.7
Nov34° / 23°8410.412.33.0
Dec32° / 23°12616.412.33.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
39010
48911
58911
68911
78911
88911
98911
108911
118911
128911
138911
148911
158911
168911
178911
188911
198911
208911
218911
228911
238911
248911
258812
268713
278713
288614
298515
308515

Chance of precipitation in September

Any precipitation

Buriti Bravo gets around 10 mm of rain over 1.3 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 4% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
133
143
153
163
173
184
194
204
215
225
235
246
256
266
277
287
298
308

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
112349216
212349207
312349207
412349207
512349207
612349207
712349207
812349207
912249217
1012248227
1112248237
1212147247
1312147257
1412046277
1511945287
1611944307
1701843317
1801742338
1901641358
2001539379
21014383810
22013374010
23012364111
24011354212
25010344313
26010334413
2709324514
2808314515
2908314516
3008304517

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 5:58 AM to 5:43 AM, and sunset from 5:52 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:585:52
211.95:585:51
311.95:575:51
411.95:575:51
511.95:565:51
611.95:565:51
711.95:555:51
811.95:555:50
911.95:545:50
1011.95:545:50
1111.95:535:50
1211.95:535:50
1312.05:525:49
1412.05:525:49
1512.05:515:49
1612.05:515:49
1712.05:505:49
1812.05:505:48
1912.05:495:48
2012.05:485:48
2112.05:485:48
2212.05:475:47
2312.05:475:47
2412.05:465:47
2512.05:465:47
2612.05:455:47
2712.05:455:47
2812.05:445:46
2912.05:445:46
3012.05:435:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.46 kWh/m² in September across the year — September's 6.46 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Buriti Bravo

In seasonPeak

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

Buriti Bravo's monsoon runs January–April, 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 Buriti Bravo?

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

2.8
Sightseeing
9th-best month of the year
6.5
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Buriti Bravo. The water and warmth also suit a beach or pool day.

What to pack for Buriti Bravo in September

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

In September, Buriti Bravo sees daytime highs around 36°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Buriti Bravo 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 Buriti Bravo peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 11UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Buriti Bravo 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 Buriti Bravo is worst in September — around 63 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (June, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateUnhealthyModerateSep 2363 µg/m³Jun 129 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Good
Apr11Good
May9Good
Jun9Good
Jul10Good
Aug25Moderate
Sep63Unhealthy
Oct63Unhealthy
Nov25Moderate
Dec17Moderate
Location & terrain

Where is Buriti Bravo?

Buriti Bravo sits at 5.8°S, 43.8°W, 227 m above sea level, in Brazil. The nearest listed city is Fortuna, 38 km away.

Topography around Buriti Bravo

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

Within 3 km, the terrain around Buriti Bravo has only modest variations in elevation — a maximum elevation change of 208 m around an average of 227 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 277 m; within 80 km, significant variations in elevation — a maximum elevation change of 429 m.

The land around Buriti Bravo is covered by trees (64%) and grassland (21%) within 3 km, trees (79%) within 16 km, and trees (74%) within 80 km.

3 km
208 m
16 km
277 m
80 km
429 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Fortuna 38 km · Passagem Franca 38 km · Colinas 51 km · São Domingos do Maranhão 68 km · Paraibano 68 km · São João dos Patos 75 km · Matões 79 km · São João do Soter 80 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 Buriti Bravo (-5.8372°, -43.8336°, elevation 227 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).