Araguatins weather in September

In September, Araguatins sees average daytime highs of 35°C and overnight lows near 23°C, with 19 mm of rain across 3.5 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 35°C through the month. The sky is clear or mostly clear about 59% 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 hours by month's end. Set against the rest of the year, September is Araguatins's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Araguatins's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
19 mm
3.5 wet days
Daylight
12 hours
6:08 AM – 6:06 PM
Cloud cover
40%
3rd clearest
Wind
8 km/h
3rd windiest
Solar energy
6.26 kWh/m²
Travel score
3.3
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 Araguatins reaches about 35°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13523
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123523
133523
143523
153523
163523
173523
183523
193523
203423
213423
223423
233423
243423
253423
263423
273424
283424
293424
303424

How September really feels in Araguatins

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.

Araguatins 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
Jan30° / 23°26727.912.32.8
Feb30° / 23°27625.612.22.7
Mar30° / 23°29128.8122.6
Apr31° / 23°22224.411.92.9
May32° / 23°11414.411.73.7
Jun33° / 22°14311.74.2
Jul34° / 22°81.411.73.9
Aug35° / 22°4111.83.4
Sep35° / 23°193.5123.3
Oct33° / 24°6910.212.13.4
Nov32° / 23°14218.312.33.2
Dec31° / 23°18323.612.33.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28515
38515
48515
58515
68515
78416
88317
98317
108317
118317
128317
138317
148119
158119
168119
178020
187921
197822
207723
217624
227624
237426
247426
257426
267327
277327
287129
297129
307129

Chance of precipitation in September

Any precipitation

Araguatins gets around 19 mm of rain over 3.5 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 12% and peaks near 20% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
17
27
38
48
58
69
79
89
99
109
1110
1210
1310
1410
1510
1610
1710
1811
1911
2012
2112
2213
2314
2415
2516
2616
2717
2818
2919
3020

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 80% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14304621
24294522
33294523
43294424
53294325
63284326
74284227
84274228
94264228
104254229
114244230
124234231
133224332
143204333
153194434
163174435
173164537
183144538
193124540
203114541
212104543
22284445
23284447
24174349
25164251
26154153
27154054
28143956
29043858
30043759

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:15 AM to 6:00 AM, and sunset from 6:09 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:156:09
211.96:156:09
311.96:146:09
411.96:146:08
511.96:136:08
611.96:136:08
711.96:126:08
811.96:126:08
911.96:116:07
1011.96:116:07
1111.96:106:07
1211.96:106:07
1312.06:096:06
1412.06:096:06
1512.06:086:06
1612.06:086:06
1712.06:076:06
1812.06:076:05
1912.06:066:05
2012.06:066:05
2112.06:056:05
2212.06:056:05
2312.06:046:04
2412.06:036:04
2512.06:036:04
2612.06:026:04
2712.06:026:04
2812.06:016:03
2912.06:016:03
3012.06:006:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.26 kWh/m² in September across the year — September's 6.26 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Araguatins

In seasonPeak

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

Araguatins'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 Araguatins?

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

3.3
Sightseeing
6th-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Araguatins in September

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

In September, Araguatins sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Araguatins 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 Araguatins peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 15Jul 12UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec10Very high

Air quality in Araguatins 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 Araguatins is worst in September — around 36 µg/m³ PM2.5 (poor), about 3.9× the cleanest month (May, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1635 µg/m³May 249 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Moderate
Apr12Good
May9Good
Jun9Good
Jul12Good
Aug27Moderate
Sep36Poor
Oct27Moderate
Nov25Moderate
Dec19Moderate
Location & terrain

Where is Araguatins?

Araguatins sits at 5.7°S, 48.1°W, 150 m above sea level, in Brazil. The nearest listed city is Imperatriz, 70 km away.

Topography around Araguatins

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

Within 3 km, the terrain around Araguatins has only modest variations in elevation — a maximum elevation change of 74 m around an average of 120 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 183 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.

The land around Araguatins is covered by grassland (41%) and trees (34%) within 3 km, grassland (53%) and trees (40%) within 16 km, and grassland (55%) and trees (42%) within 80 km.

3 km
74 m
16 km
183 m
80 km
498 m
treesgrasslandartificial surfaceswater
September weather nearby: Imperatriz 70 km · São Domingos do Araguaia 70 km · João Lisboa 82 km · Governador Edison Lobão 83 km · Bom Jesus do Tocantins 86 km · São Geraldo do Araguaia 97 km · Rondon do Pará 97 km · Açailândia 103 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 Araguatins (-5.6508°, -48.1112°, elevation 150 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).