Aquidabã weather in September

In September, Aquidabã sees average daytime highs of 29°C and overnight lows near 21°C, with 30 mm of rain across 11.4 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Aquidabã's 2nd-clearest and 4th-windiest month. For the whole year in context, see Aquidabã's year-round climate.

Daytime high
29°
9th warmest
Overnight low
21°
3rd coldest
Rainfall
30 mm
11.4 wet days
Daylight
11 h 54 min
5:24 AM – 5:21 PM
Cloud cover
51%
2nd clearest
Wind
11 km/h
4th windiest
Solar energy
5.27 kWh/m²
Travel score
5.5
out of 10

Aquidabã is human 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

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical September day in Aquidabã reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52821
62821
72821
82821
92821
102821
112821
122821
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
243021
253021
263021
273021
283021
293021
303021

How September really feels in Aquidabã

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Aquidabã weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°4110.712.53.7
Feb32° / 24°4311.412.33.6
Mar32° / 24°5412.912.13.6
Apr31° / 23°6115.111.84.0
May29° / 22°7318.211.54.5
Jun28° / 21°691911.45.1
Jul27° / 20°5819.611.55.2
Aug27° / 20°4216.411.75.6
Sep29° / 21°3011.411.95.5
Oct31° / 22°288.212.24.9
Nov32° / 23°266.112.54.3
Dec33° / 23°246.612.63.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 44% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56535
66535
76634
86634
96634
106733
116733
126733
136832
146931
157030
167129
177228
187228
197327
207327
217426
227624
237525
247624
257624
267723
277723
287723
297723
307723

Chance of precipitation in September

Any precipitation

Aquidabã gets around 30 mm of rain over 11.4 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 38% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
244
344
444
544
644
744
844
944
1044
1143
1243
1342
1441
1540
1639
1738
1837
1936
2035
2134
2233
2332
2431
2530
2630
2729
2828
2928
3028

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
15869
25869
358510
458510
558510
658411
748511
848412
948412
1048412
1148313
1248313
1338413
1438413
1538413
1638413
1738413
1828414
1928414
2028414
2128414
2228315
2328315
2428216
2528216
2618217
2718217
2818217
2918118
3018118

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 5:34 AM to 5:15 AM, and sunset from 5:22 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:345:22
211.85:335:22
311.85:335:22
411.85:325:22
511.85:315:22
611.85:315:21
711.95:305:21
811.95:295:21
911.95:295:21
1011.95:285:21
1111.95:275:21
1211.95:275:21
1311.95:265:21
1411.95:255:21
1511.95:255:21
1611.95:245:21
1712.05:235:21
1812.05:235:21
1912.05:225:20
2012.05:215:20
2112.05:215:20
2212.05:205:20
2312.05:195:20
2412.05:195:20
2512.05:185:20
2612.05:185:20
2712.15:175:20
2812.15:165:20
2912.15:165:20
3012.15:155:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.9 kWh/m² to a high of 6.26 kWh/m² in December across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Aquidabã?

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

5.5
Sightseeing
2nd-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Aquidabã in September

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

In September, Aquidabã sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Aquidabã in September

The nearest coast averages about 26°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 58 km away) is warmest in April at about 29°C and coldest in August near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Aquidabã 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 Aquidabã peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 12UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Aquidabã?

Aquidabã sits at 10.3°S, 37.0°W, 219 m above sea level, in Brazil. The nearest listed city is Propriá, 21 km away.

Topography around Aquidabã

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

Within 3 km, the terrain around Aquidabã has only modest variations in elevation — a maximum elevation change of 115 m around an average of 186 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 278 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Aquidabã is covered by grassland (79%) within 3 km, grassland (79%) within 16 km, and grassland (56%) within 80 km.

3 km
115 m
16 km
278 m
80 km
691 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Propriá 21 km · Porto Real do Colégio 22 km · Capela 25 km · Nossa Senhora das Dores 30 km · Traipu 35 km · Japaratuba 36 km · Igreja Nova 43 km · Nossa Senhora da Glória 45 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 Aquidabã (-10.2814°, -37.0186°, elevation 219 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).