Água Azul do Norte weather in September

In September, Água Azul do Norte sees average daytime highs of 33°C and overnight lows near 22°C, with 29 mm of rain across 5 wet days and about 12 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 53% 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 h 06 min by month's end. Set against the rest of the year, September is Água Azul do Norte's 4th-clearest and 4th-windiest month. For the whole year in context, see Água Azul do Norte's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
22°
12th coldest
Rainfall
29 mm
5 wet days
Daylight
12 hours
6:17 AM – 6:15 PM
Cloud cover
44%
4th clearest
Wind
7 km/h
4th windiest
Solar energy
6.11 kWh/m²
Travel score
4.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical September day in Água Azul do Norte reaches about 33°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 34°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153322
163322
173322
183322
193222
203222
213222
223222
233222
243222
253222
263222
273223
283223
293222
303222

How September really feels in Água Azul do Norte

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.

Água Azul do Norte weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°26328.812.43.0
Feb29° / 22°24125.912.23.0
Mar29° / 22°23728.5123.0
Apr30° / 22°17624.111.93.3
May30° / 22°9415.111.74.3
Jun31° / 21°13311.65.3
Jul32° / 21°4111.65.1
Aug33° / 21°71.411.84.6
Sep33° / 22°295124.3
Oct31° / 22°9214.712.23.9
Nov30° / 22°17321.712.33.4
Dec29° / 22°20925.612.43.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47921
57723
67723
77723
87624
97525
107525
117327
127327
137327
147228
157129
167030
177030
186931
196832
206832
216733
226634
236535
246535
256535
266436
276337
286337
296238
306139

Chance of precipitation in September

Any precipitation

Água Azul do Norte gets around 29 mm of rain over 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 17% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
19
29
310
410
511
611
712
812
912
1013
1113
1214
1314
1414
1515
1615
1716
1816
1917
2018
2119
2221
2322
2423
2524
2625
2727
2828
2929
3030

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14294917
24294918
34284919
43284821
53274822
63274723
73264724
83254725
93254726
103244727
113234728
123224729
132214730
142194831
152184832
162174833
172154834
182144836
192124838
202114840
212104742
22284644
23174547
24164349
25154252
26154054
27143956
28143857
29033760
30023563

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 6:26 AM to 6:10 AM, and sunset from 6:18 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:266:18
211.96:256:17
311.96:246:17
411.96:246:17
511.96:236:17
611.96:236:17
711.96:226:17
811.96:226:17
911.96:216:16
1011.96:216:16
1111.96:206:16
1211.96:206:16
1311.96:196:16
1412.06:186:15
1512.06:186:15
1612.06:176:15
1712.06:176:15
1812.06:166:15
1912.06:166:15
2012.06:156:14
2112.06:146:14
2212.06:146:14
2312.06:136:14
2412.06:136:14
2512.06:126:14
2612.06:126:13
2712.06:116:13
2812.06:116:13
2912.06:106:13
3012.16:106:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.11 kWh/m² in September across the year — September's 6.11 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Água Azul do Norte

In seasonPeak

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

Água Azul do Norte's monsoon runs November–April, 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 Água Azul do Norte?

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

4.3
Sightseeing
4th-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Água Azul do Norte in September

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

In September, Água Azul do Norte sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Água Azul do Norte 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 Água Azul do Norte peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 12UV 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Água Azul do Norte 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 Água Azul do Norte is worst in September — around 54 µg/m³ PM2.5 (poor), about 9.9× the cleanest month (June, 5 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1650 µg/m³Jun 215 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar11Good
Apr11Good
May8Good
Jun5Good
Jul6Good
Aug25Moderate
Sep54Poor
Oct28Moderate
Nov21Moderate
Dec16Moderate
Location & terrain

Where is Água Azul do Norte?

Água Azul do Norte sits at 6.8°S, 50.5°W, 272 m above sea level, in Brazil. The nearest listed city is Xinguara, 67 km away.

Topography around Água Azul do Norte

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Água Azul do Norte.

Within 3 km, the terrain around Água Azul do Norte has only modest variations in elevation — a maximum elevation change of 132 m around an average of 286 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 331 m; within 80 km, large variations in elevation — a maximum elevation change of 838 m.

The land around Água Azul do Norte is covered by grassland (65%) and trees (31%) within 3 km, grassland (66%) and trees (34%) within 16 km, and trees (53%) and grassland (47%) within 80 km.

3 km
132 m
16 km
331 m
80 km
838 m
treesgrasslandartificial surfaces
September weather nearby: Xinguara 67 km · Ourilândia do Norte 68 km · Rio Maria 74 km · Canaã dos Carajás 74 km · Tucumã 77 km · Parauapebas 102 km · Floresta do Araguaia 119 km · Curionópolis 123 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 Água Azul do Norte (-6.7911°, -50.4669°, elevation 272 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).