Porangatu weather in September

In September, Porangatu sees average daytime highs of 35°C and overnight lows near 23°C, with 17 mm of rain across 2.8 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 8th-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 55% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Porangatu's 4th-clearest and 3rd-windiest month. For the whole year in context, see Porangatu's year-round climate.

Daytime high
35°
1st warmest
Overnight low
23°
11th coldest
Rainfall
17 mm
2.8 wet days
Daylight
11 h 54 min
7:13 AM – 7:09 PM
Cloud cover
40%
4th clearest
Wind
8 km/h
3rd windiest
Solar energy
6.11 kWh/m²
Travel score
2.7
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 Porangatu reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 38°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13522
23522
33522
43623
53623
63623
73623
83623
93623
103623
113623
123623
133623
143623
153623
163623
173623
183623
193623
203623
213523
223524
233524
243524
253524
263524
273524
283524
293524
303524

How September really feels in Porangatu

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.

Porangatu weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°27324.412.73.1
Feb31° / 22°21221.912.43.1
Mar31° / 22°21123.312.13.2
Apr32° / 22°10014.411.73.8
May32° / 21°173.111.44.5
Jun32° / 20°20.411.25.0
Jul33° / 20°0011.34.9
Aug34° / 21°20.611.63.8
Sep35° / 23°172.811.92.7
Oct34° / 23°10113.112.32.7
Nov31° / 23°22821.512.63.0
Dec31° / 22°2582312.83.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28119
38119
48020
58020
67921
77921
87921
97822
107822
117723
127723
137723
147624
157624
167525
177525
187525
197327
207228
217129
227129
236931
246832
256733
266535
276436
286337
296238
306040

Chance of precipitation in September

Any precipitation

Porangatu gets around 17 mm of rain over 2.8 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 10% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
14
24
34
44
54
64
74
84
95
105
115
125
135
146
156
167
178
189
1910
2011
2112
2214
2315
2417
2518
2620
2722
2823
2924
3026

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152291450
252291360
352281370
452281370
551271381
651271291
751271291
8502812101
9492812101
10482812101
11472913111
12452913111
13433014122
14413015122
15393016122
16373017133
17353018143
18323019144
19303020154
20273022175
21242923186
22222824206
23192825217
24172625238
25152526249
261424262610
271223262811
281122262912
291021263113
30920253214

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 7:24 AM to 7:03 AM, and sunset from 7:08 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:247:08
211.77:237:08
311.87:237:08
411.87:227:09
511.87:217:09
611.87:217:09
711.87:207:09
811.87:197:09
911.87:187:09
1011.87:187:09
1111.97:177:09
1211.97:167:09
1311.97:157:09
1411.97:157:09
1511.97:147:09
1611.97:137:09
1711.97:127:09
1812.07:127:09
1912.07:117:09
2012.07:107:09
2112.07:097:09
2212.07:097:09
2312.07:087:09
2412.07:077:09
2512.07:067:09
2612.17:067:09
2712.17:057:09
2812.17:047:09
2912.17:037:09
3012.17:037:09

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 4.79 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
15.9Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Porangatu

In seasonPeak

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

Porangatu's monsoon runs November–March, 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 Porangatu?

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

2.7
Sightseeing
11th-best month of the year
6.2
Beach & pool
5th-best month of the year

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

What to pack for Porangatu in September

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

In September, Porangatu sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Porangatu 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 Porangatu peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 16UV 15Jun 23UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct11Extreme
Nov13Extreme
Dec12Extreme

Air quality in Porangatu 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 Porangatu is worst in September — around 18 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (July, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 2318 µg/m³Jul 123 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr7Good
May5Good
Jun4Good
Jul3Good
Aug6Good
Sep18Moderate
Oct18Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Porangatu?

Porangatu sits at 13.4°S, 49.1°W, 407 m above sea level, in Brazil. The nearest listed city is Minaçu, 101 km away.

Topography around Porangatu

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

Within 3 km, the terrain around Porangatu has only modest variations in elevation — a maximum elevation change of 64 m around an average of 380 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 888 m.

The land around Porangatu is covered by grassland (41%), artificial surfaces (30%) and trees (20%) within 3 km, grassland (65%) and trees (27%) within 16 km, and grassland (55%) and trees (34%) within 80 km.

3 km
64 m
16 km
474 m
80 km
888 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Minaçu 101 km · São Miguel do Araguaia 111 km · Uruaçu 121 km · Niquelândia 137 km · Crixás 152 km · Itapaci 173 km · Formoso do Araguaia 187 km · Gurupi 191 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 Porangatu (-13.4408°, -49.1486°, elevation 407 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).