Maceió weather in September

In September, Maceió sees average daytime highs of 26°C and overnight lows near 24°C, with 68 mm of rain across 19.5 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 67% 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 Maceió's 1st-clearest and 4th-windiest month. For the whole year in context, see Maceió's year-round climate.

Daytime high
26°
10th warmest
Overnight low
24°
3rd coldest
Rainfall
68 mm
19.5 wet days
Daylight
11 h 54 min
5:19 AM – 5:16 PM
Cloud cover
36%
1st clearest
Wind
19 km/h
4th windiest
Solar energy
5.63 kWh/m²
Travel score
5.6
out of 10

Maceió 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

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Maceió reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 26°C. Set against its neighbours, September runs on par with August and on par with October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12523
22523
32523
42524
52524
62524
72524
82524
92524
102524
112524
122524
132524
142524
152524
162524
172624
182624
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624

Maceió weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°6517.212.55.7
Feb27° / 25°6716.612.35.4
Mar28° / 26°8319.412.15.3
Apr27° / 25°12921.611.84.8
May27° / 25°17724.311.64.7
Jun26° / 24°18724.911.44.6
Jul25° / 23°17425.211.54.7
Aug25° / 23°10723.311.75.1
Sep26° / 24°6819.511.95.6
Oct26° / 24°5616.912.26.0
Nov27° / 25°4013.612.46.3
Dec27° / 25°3612.512.66.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% 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 (%)
18614
28614
38614
48614
58614
68713
78713
88713
98713
108713
118911
128911
138911
149010
159010
169010
17919
18928
19928
20928
21928
22928
23928
24928
25928
26928
27928
28928
29919
30919

Chance of precipitation in September

Any precipitation

Maceió gets around 68 mm of rain over 19.5 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 65% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
171
270
370
470
570
670
770
870
970
1070
1170
1270
1369
1469
1568
1667
1766
1865
1964
2063
2162
2261
2360
2459
2558
2658
2757
2856
2956
3056

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
157520
257421
357322
457322
557223
657124
757124
857025
957025
1056926
1147026
1247026
1346927
1446927
1537027
1637027
1736928
1836928
1936829
2026929
2126830
2226731
2326632
2426533
2526434
2626335
2726236
2826137
2926038
3025840

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 19 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze

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 5:28 AM to 5:10 AM, and sunset from 5:17 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:285:17
211.85:285:17
311.85:275:17
411.85:265:17
511.85:265:17
611.95:255:17
711.95:255:17
811.95:245:16
911.95:235:16
1011.95:235:16
1111.95:225:16
1211.95:215:16
1311.95:215:16
1411.95:205:16
1511.95:195:16
1611.95:195:16
1712.05:185:16
1812.05:185:15
1912.05:175:15
2012.05:165:15
2112.05:165:15
2212.05:155:15
2312.05:145:15
2412.05:145:15
2512.05:135:15
2612.05:125:15
2712.05:125:15
2812.15:115:15
2912.15:115:15
3012.15:105:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.63 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.48 kWh/m² in November across the year — September's 5.63 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
Planning a trip in September

Hazard calendar for Maceió

In seasonPeak

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

Maceió's rainy season runs April–August, 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 Maceió?

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

5.6
Sightseeing
5th-best month of the year
5.2
Beach & pool
7th-best month of the year

September is a reasonable time to visit Maceió for sightseeing.

What to pack for Maceió in September

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

In September, Maceió sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Maceió 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 13 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
Feb28Tropical
Mar28Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in Maceió 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 Maceió peaks around March 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 highExtremeMar 11UV 14Jun 22UV 9
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Maceió?

Maceió sits at 9.7°S, 35.7°W, 11 m above sea level, in Brazil. The nearest listed city is Satuba, 15 km away.

Topography around Maceió

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

Within 3 km, the terrain around Maceió has only modest variations in elevation — a maximum elevation change of 66 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 131 m; within 80 km, large variations in elevation — a maximum elevation change of 656 m.

The land around Maceió is covered by artificial surfaces (55%) and water (37%) within 3 km, water (55%) within 16 km, and grassland (38%) and water (35%) within 80 km.

3 km
66 m
16 km
131 m
80 km
656 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Satuba 15 km · Marechal Deodoro 18 km · Rio Largo 25 km · Pilar 25 km · Messias 34 km · Atalaia 36 km · Barra de Santo Antônio 38 km · São Miguel dos Campos 41 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 Maceió (-9.6658°, -35.7353°, elevation 11 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).