Buriticupu weather in September

In September, Buriticupu sees average daytime highs of 34°C and overnight lows near 23°C, with 9 mm of rain across 1.8 wet days and about 12 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 56% of the time in September, and the air most often feels muggy.

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 Buriticupu's 3rd-clearest and 1st-windiest month. For the whole year in context, see Buriticupu's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
9th coldest
Rainfall
9 mm
1.8 wet days
Daylight
12 hours
6:01 AM – 5:59 PM
Cloud cover
41%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
5.99 kWh/m²
Travel score
3.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical September day in Buriticupu reaches about 34°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 33°C and 36°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63422
73422
83422
93422
103422
113422
123423
133423
143423
153423
163423
173423
183423
193423
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423

How September really feels in Buriticupu

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.

Buriticupu weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20724.912.22.9
Feb30° / 23°22524.912.12.8
Mar30° / 23°27328.6122.7
Apr30° / 23°22326.611.92.9
May31° / 22°10817.311.83.8
Jun31° / 22°256.111.84.8
Jul32° / 21°133.111.84.6
Aug34° / 22°5111.94.0
Sep34° / 23°91.8123.5
Oct34° / 23°19412.13.3
Nov34° / 23°558.812.23.2
Dec32° / 23°11216.112.23.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 28% of September, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58713
68713
78614
88713
98713
108614
118614
128515
138515
148416
158416
168416
178317
188317
198317
208317
218317
228218
238218
248218
258119
268020
278020
288020
297921
307822

Chance of precipitation in September

Any precipitation

Buriticupu gets around 9 mm of rain over 1.8 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 6% and peaks near 10% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
45
55
65
75
85
95
106
116
126
136
146
156
166
176
186
196
207
217
227
238
248
258
269
279
289
299
3010

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1184744
2174744
3184744
4184844
5184844
6184843
7184843
8184843
9184942
10184942
11185042
12185042
13175042
14175042
15165142
16165142
17155242
18155143
19145243
20145144
21135244
22135244
23125245
24125245
25115246
26015346
27015346
28015247
29015247
30015247

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:08 AM to 5:54 AM, and sunset from 6:03 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:03
211.96:086:03
311.96:076:03
411.96:076:02
511.96:066:02
611.96:066:02
711.96:056:02
811.96:056:01
911.96:046:01
1012.06:046:01
1112.06:036:01
1212.06:036:00
1312.06:026:00
1412.06:026:00
1512.06:016:00
1612.06:015:59
1712.06:005:59
1812.06:005:59
1912.05:595:59
2012.05:595:58
2112.05:585:58
2212.05:585:58
2312.05:575:58
2412.05:575:57
2512.05:565:57
2612.05:565:57
2712.05:565:57
2812.05:555:57
2912.05:555:56
3012.05:545:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.99 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 5.99 kWh/m² in September across the year — September's 5.99 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Buriticupu

In seasonPeak

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

Buriticupu'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 Buriticupu?

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

3.5
Sightseeing
5th-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Buriticupu in September

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

In September, Buriticupu sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Buriticupu 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 Buriticupu peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 14UV 15Nov 22UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec10Extreme

Air quality in Buriticupu 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 Buriticupu is worst in November — around 43 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateNov 1442 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar13Moderate
Apr11Good
May9Good
Jun7Good
Jul10Good
Aug15Moderate
Sep16Moderate
Oct35Moderate
Nov43Poor
Dec30Moderate
Location & terrain

Where is Buriticupu?

Buriticupu sits at 4.3°S, 46.5°W, 155 m above sea level, in Brazil. The nearest listed city is Bom Jesus das Selvas, 48 km away.

Topography around Buriticupu

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

Within 3 km, the terrain around Buriticupu has only modest variations in elevation — a maximum elevation change of 159 m around an average of 148 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 247 m; within 80 km, significant variations in elevation — a maximum elevation change of 423 m.

The land around Buriticupu is covered by grassland (46%) and trees (35%) within 3 km, grassland (51%) and trees (45%) within 16 km, and trees (66%) and grassland (31%) within 80 km.

3 km
159 m
16 km
247 m
80 km
423 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Bom Jesus das Selvas 48 km · Arame 80 km · Santa Luzia 97 km · Alto Alegre do Pindaré 99 km · Dom Eliseu 117 km · Itinga do Maranhão 120 km · Bom Jardim 128 km · Ulianópolis 132 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 Buriticupu (-4.3212°, -46.4547°, elevation 155 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).