Buriti dos Lopes weather in September

In September, Buriti dos Lopes sees average daytime highs of 36°C and overnight lows near 24°C, with 1 mm of rain across 0.3 wet days and about 12 hours of daylight. It is the 3rd-warmest and 12th-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 78% 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 Buriti dos Lopes's 1st-clearest and 3rd-windiest month. For the whole year in context, see Buriti dos Lopes's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
24°
8th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 hours
5:42 AM – 5:41 PM
Cloud cover
30%
1st clearest
Wind
17 km/h
3rd windiest
Solar energy
6.79 kWh/m²
Travel score
2.6
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 dos Lopes reaches about 36°C in the afternoon and slips back to 24°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 35°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)
13624
23624
33624
43624
53624
63624
73624
83624
93624
103624
113624
123624
133624
143624
153624
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273624
283624
293624
303624

How September really feels in Buriti dos Lopes

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
4 feel dangerously hot (≥ 39°C)
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 dos Lopes weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°13217.812.22.8
Feb32° / 24°17320.912.12.8
Mar31° / 24°25525.7122.8
Apr31° / 24°28124.311.92.9
May32° / 24°15216.411.93.5
Jun33° / 24°316.411.84.0
Jul34° / 24°162.511.83.8
Aug35° / 24°30.511.93.1
Sep36° / 24°10.3122.6
Oct36° / 25°70.812.12.3
Nov36° / 25°81.812.12.3
Dec35° / 25°356.212.22.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5946
6946
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17955
18955
19955
20955
21955
22946
23946
24946
25946
26946
27946
28946
29946
30928

Chance of precipitation in September

Any precipitation

Buriti dos Lopes gets around 1 mm of rain over 0.3 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

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 85% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
110855
211845
311845
411854
512844
612844
713834
813834
913834
1013843
1113843
1213843
1312853
1412853
1512853
1612844
1711854
1811854
1911854
2010855
2110855
2210855
239856
249856
259856
268866
278857
288857
298857
307867

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze

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 5:49 AM to 5:36 AM, and sunset from 5:45 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:495:45
211.95:495:45
311.95:485:45
411.95:485:45
512.05:475:44
612.05:475:44
712.05:465:44
812.05:465:44
912.05:465:43
1012.05:455:43
1112.05:455:43
1212.05:445:42
1312.05:445:42
1412.05:435:42
1512.05:435:42
1612.05:425:41
1712.05:425:41
1812.05:415:41
1912.05:415:40
2012.05:405:40
2112.05:405:40
2212.05:405:40
2312.05:395:39
2412.05:395:39
2512.05:385:39
2612.05:385:39
2712.05:375:38
2812.05:375:38
2912.05:365:38
3012.05:365:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.79 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 6.91 kWh/m² in October across the year — September's 6.79 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Buriti dos Lopes

In seasonPeak

None of Buriti dos Lopes'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 dos Lopes'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 Buriti dos Lopes?

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

2.6
Sightseeing
9th-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Buriti dos Lopes in September

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

In September, Buriti dos Lopes sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Buriti dos Lopes in September

The nearest coast averages about 27°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 43 km away) is warmest in May at about 29°C and coldest in September near 27°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
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Buriti dos Lopes 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 dos Lopes peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Buriti dos Lopes 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 dos Lopes is worst in December — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (August, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1217 µg/m³Aug 216 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar13Moderate
Apr11Good
May8Good
Jun7Good
Jul9Good
Aug6Good
Sep7Good
Oct10Good
Nov16Moderate
Dec18Moderate
Location & terrain

Where is Buriti dos Lopes?

Buriti dos Lopes sits at 3.2°S, 41.9°W, 23 m above sea level, in Brazil. The nearest listed city is Parnaíba, 32 km away.

Topography around Buriti dos Lopes

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

Within 3 km, the terrain around Buriti dos Lopes has only modest variations in elevation — a maximum elevation change of 75 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, large variations in elevation — a maximum elevation change of 919 m.

The land around Buriti dos Lopes is covered by trees (44%) and grassland (32%) within 3 km, trees (54%) and grassland (24%) within 16 km, and trees (46%) and water (20%) within 80 km.

3 km
75 m
16 km
127 m
80 km
919 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Parnaíba 32 km · Araioses 32 km · Ilha Grande 36 km · Luís Correia 40 km · Cocal 48 km · Luzilândia 64 km · Tutóia 64 km · São Bernardo 65 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 dos Lopes (-3.175°, -41.8669°, elevation 23 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).