Abaetetuba weather in September

In September, Abaetetuba sees average daytime highs of 31°C and overnight lows near 25°C, with 19 mm of rain across 4.8 wet days and about 12 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Abaetetuba's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Abaetetuba's year-round climate.

Daytime high
31°
1st warmest
Overnight low
25°
10th coldest
Rainfall
19 mm
4.8 wet days
Daylight
12 hours
6:10 AM – 6:10 PM
Cloud cover
42%
2nd clearest
Wind
12 km/h
2nd windiest
Solar energy
6.44 kWh/m²
Travel score
5.0
out of 10

Abaetetuba 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 31°C through the month.

A typical September day in Abaetetuba reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125

How September really feels in Abaetetuba

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.

Abaetetuba weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°23527.512.13.1
Feb29° / 24°31826.612.13.0
Mar29° / 24°39330.2122.9
Apr29° / 24°36329.2122.8
May30° / 25°24227.311.93.1
Jun30° / 25°9819.611.93.9
Jul30° / 25°6114.311.94.6
Aug31° / 25°308.611.94.8
Sep31° / 25°194.8125.0
Oct31° / 25°216124.7
Nov31° / 25°447.412.14.5
Dec31° / 25°11317.112.13.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68614
78614
88515
98515
108515
118515
128515
138515
148416
158416
168416
178416
188218
198218
208218
218119
228119
238119
248119
258119
268119
278119
288119
298020
307921

Chance of precipitation in September

Any precipitation

Abaetetuba gets around 19 mm of rain over 4.8 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 17% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
121
221
320
420
519
619
718
818
918
1018
1118
1217
1317
1417
1517
1616
1716
1816
1915
2015
2115
2215
2314
2414
2514
2614
2714
2814
2914
3015

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1937
2937
3946
4946
5946
6955
7955
8955
9955
10955
11955
12955
13955
14955
15955
16955
17955
18955
19955
20955
21955
22964
23964
24964
25973
26973
27973
28982
29982
30982

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:16 AM to 6:04 AM, and sunset from 6:14 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:166:14
212.06:166:14
312.06:156:14
412.06:156:13
512.06:156:13
612.06:146:13
712.06:146:12
812.06:136:12
912.06:136:12
1012.06:136:12
1112.06:126:11
1212.06:126:11
1312.06:116:11
1412.06:116:10
1512.06:116:10
1612.06:106:10
1712.06:106:09
1812.06:096:09
1912.06:096:09
2012.06:086:08
2112.06:086:08
2212.06:086:08
2312.06:076:07
2412.06:076:07
2512.06:066:07
2612.06:066:06
2712.06:066:06
2812.06:056:06
2912.06:056:06
3012.06:046:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.44 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.54 kWh/m² in October across the year — September's 6.44 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Abaetetuba

In seasonPeak

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

Abaetetuba'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 Abaetetuba?

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

5.0
Sightseeing
1st-best month of the year
7.5
Beach & pool
1st-best month of the year

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

What to pack for Abaetetuba in September

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

In September, Abaetetuba sees daytime highs around 31°C and nights near 25°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Abaetetuba in September

The nearest coast averages about 29°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 48 km away) is warmest in June at about 29°C and coldest in March near 28°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
Jan29Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Abaetetuba 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 Abaetetuba peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 21 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 15Jul 21UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec10Extreme

Air quality in Abaetetuba 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 Abaetetuba is worst in November — around 24 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1523 µg/m³Jun 1510 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb21Moderate
Mar21Moderate
Apr17Moderate
May12Good
Jun10Good
Jul12Good
Aug13Moderate
Sep15Moderate
Oct19Moderate
Nov24Moderate
Dec18Moderate
Location & terrain

Where is Abaetetuba?

Abaetetuba sits at 1.7°S, 48.9°W, 9 m above sea level, in Brazil. The nearest listed city is Moju, 22 km away.

Topography around Abaetetuba

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

Within 3 km, the terrain around Abaetetuba has only modest variations in elevation — a maximum elevation change of 27 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 46 m; within 80 km, only modest variations in elevation — a maximum elevation change of 64 m.

The land around Abaetetuba is covered by trees (53%), artificial surfaces (21%) and water (21%) within 3 km, trees (71%) within 16 km, and trees (65%) within 80 km.

3 km
27 m
16 km
46 m
80 km
64 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Moju 22 km · Igarapé Miri 30 km · Ponta de Pedras 36 km · Barcarena 37 km · Muaná 43 km · Belém 51 km · Limoeiro do Ajuru 59 km · Ananindeua 69 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 Abaetetuba (-1.7181°, -48.8825°, elevation 9 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).