Banabuiú weather in September

In September, Banabuiú sees average daytime highs of 35°C and overnight lows near 24°C, with 1 mm of rain across 0.4 wet days and about 12 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 73% 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 Banabuiú's 1st-clearest and 3rd-windiest month. For the whole year in context, see Banabuiú's year-round climate.

Daytime high
35°
4th warmest
Overnight low
24°
7th coldest
Rainfall
1 mm
0.4 wet days
Daylight
12 hours
5:31 AM – 5:29 PM
Cloud cover
28%
1st clearest
Wind
17 km/h
3rd windiest
Solar energy
6.77 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Banabuiú reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 36°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)
13423
23423
33423
43523
53523
63523
73523
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524

How September really feels in Banabuiú

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.

Banabuiú weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°8713.112.32.9
Feb33° / 24°9415.212.23.0
Mar32° / 23°13619.7123.1
Apr31° / 23°13118.911.93.3
May32° / 23°7513.211.83.9
Jun32° / 23°306.911.74.5
Jul32° / 23°163.511.74.5
Aug34° / 23°70.911.84.0
Sep35° / 24°10.4123.4
Oct35° / 24°40.512.13.0
Nov35° / 24°40.812.22.9
Dec35° / 24°203.812.32.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48812
58713
68713
78713
88812
98911
108911
118911
128911
138911
149010
159010
16919
17919
18919
19928
20928
21928
22928
23928
24928
25928
26928
27928
28919
299010
309010

Chance of precipitation in September

Any precipitation

Banabuiú gets around 1 mm of rain over 0.4 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 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
62
72
82
92
102
112
122
132
142
152
162
172
182
191
201
211
221
231
241
251
261
271
281
291
301

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1963271
2864271
3865270
4865270
5866260
6866260
7866260
8866260
9866260
10766270
11766270
12666280
13666280
14665290
15565300
16564310
17464320
18462340
19461350
20361360
21360370
22359380
23358390
24258400
25257410
26257410
27256420
28255430
29255430
30254440

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1217light breeze
1317light 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
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light 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 5:38 AM to 5:24 AM, and sunset from 5:32 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:385:32
211.95:385:32
311.95:375:32
411.95:375:32
511.95:375:32
611.95:365:31
711.95:365:31
811.95:355:31
911.95:345:31
1011.95:345:30
1111.95:335:30
1212.05:335:30
1312.05:325:30
1412.05:325:30
1512.05:315:29
1612.05:315:29
1712.05:305:29
1812.05:305:29
1912.05:295:28
2012.05:295:28
2112.05:285:28
2212.05:285:28
2312.05:275:28
2412.05:275:27
2512.05:265:27
2612.05:265:27
2712.05:255:27
2812.05:255:27
2912.05:245:26
3012.05:245:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.77 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.97 kWh/m² in October across the year — September's 6.77 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
Planning a trip in September

Hazard calendar for Banabuiú

In seasonPeak

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

Banabuiú's rainy season runs January–May, when most of the year's rain falls.

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

Is September a good time to visit Banabuiú?

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

3.4
Sightseeing
5th-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Banabuiú in September

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

In September, Banabuiú sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Banabuiú 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 Banabuiú peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 14UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Banabuiú 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 Banabuiú is worst in November — around 16 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (July, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1416 µg/m³Jul 194 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar10Good
Apr10Good
May7Good
Jun5Good
Jul4Good
Aug5Good
Sep6Good
Oct14Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Banabuiú?

Banabuiú sits at 5.3°S, 38.9°W, 154 m above sea level, in Brazil. The nearest listed city is Jaguaretama, 38 km away.

Topography around Banabuiú

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

Within 3 km, the terrain around Banabuiú has only modest variations in elevation — a maximum elevation change of 210 m around an average of 145 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 312 m; within 80 km, large variations in elevation — a maximum elevation change of 739 m.

The land around Banabuiú is covered by shrubs (71%) within 3 km, shrubs (71%) and grassland (22%) within 16 km, and shrubs (71%) and grassland (24%) within 80 km.

3 km
210 m
16 km
312 m
80 km
739 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Jaguaretama 38 km · Quixadá 39 km · Quixeramobim 43 km · Solonópole 48 km · Senador Pompeu 59 km · Morada Nova 65 km · Jaguaribe 73 km · Piquet Carneiro 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 Banabuiú (-5.3097°, -38.9206°, elevation 154 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).