Vila Rica weather in September

In September, Vila Rica sees average daytime highs of 35°C and overnight lows near 22°C, with 30 mm of rain across 4.6 wet days and about 11.9 hours of daylight. It is the 1st-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 50% 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 Vila Rica's 4th-clearest and 3rd-windiest month. For the whole year in context, see Vila Rica's year-round climate.

Daytime high
35°
1st warmest
Overnight low
22°
10th coldest
Rainfall
30 mm
4.6 wet days
Daylight
11 h 54 min
6:20 AM – 6:17 PM
Cloud cover
46%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.88 kWh/m²
Travel score
3.0
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 Vila Rica reaches about 35°C in the afternoon and slips back to 22°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 37°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13522
23522
33522
43522
53522
63522
73522
83522
93522
103522
113522
123522
133522
143522
153522
163522
173522
183522
193522
203522
213522
223422
233422
243422
253422
263423
273423
283423
293423
303423

How September really feels in Vila Rica

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.

Vila Rica weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°2852812.52.9
Feb30° / 22°26525.612.32.9
Mar30° / 22°26227.412.12.9
Apr30° / 22°18821.511.83.4
May31° / 22°649.111.54.4
Jun32° / 21°40.711.44.8
Jul33° / 20°00.111.54.5
Aug35° / 21°30.711.73.4
Sep35° / 22°304.611.93.0
Oct32° / 22°11916.412.23.1
Nov31° / 22°21523.712.53.0
Dec30° / 22°25826.512.63.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% 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 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27822
37822
47723
57624
67624
77525
87525
97426
107228
117228
127129
137129
147030
157030
166931
176733
186733
196634
206436
216436
226337
236238
246238
256040
265941
275842
285743
295644
305545

Chance of precipitation in September

Any precipitation

Vila Rica gets around 30 mm of rain over 4.6 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 16% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
15
26
36
47
57
68
78
88
98
109
119
1210
1310
1411
1512
1613
1714
1815
1917
2018
2120
2221
2323
2425
2526
2628
2730
2831
2933
3034

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1530352370
2529342470
3528342480
4527342490
55263524100
65253524110
75243524120
85243524130
95233524130
105223524140
114213425160
124203425170
134193425180
144183326190
153173227210
163163127220
173153028240
183142829260
192132730280
202122531300
212112331330
222102132350
23191933380
24181733410
25171533440
26161433460
27051233490
28041132521
29041032531
3003931561

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
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:30 AM to 6:11 AM, and sunset from 6:18 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:306:18
211.86:296:18
311.86:296:18
411.86:286:18
511.86:286:18
611.96:276:18
711.96:266:18
811.96:266:18
911.96:256:18
1011.96:246:18
1111.96:246:18
1211.96:236:18
1311.96:226:17
1411.96:226:17
1511.96:216:17
1611.96:206:17
1712.06:206:17
1812.06:196:17
1912.06:186:17
2012.06:186:17
2112.06:176:17
2212.06:166:17
2312.06:166:17
2412.06:156:16
2512.06:156:16
2612.06:146:16
2712.06:136:16
2812.16:136:16
2912.16:126:16
3012.16:116:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.88 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 5.88 kWh/m² in September across the year — September's 5.88 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Vila Rica

In seasonPeak

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

Vila Rica'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 Vila Rica?

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

3.0
Sightseeing
7th-best month of the year
6.4
Beach & pool
5th-best month of the year

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

What to pack for Vila Rica in September

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

In September, Vila Rica sees daytime highs around 35°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Vila Rica in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vila Rica peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeFeb 17UV 15Jun 21UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Extreme
Sep11Extreme
Oct10Extreme
Nov13Extreme
Dec12Extreme

Air quality in Vila Rica 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 Vila Rica is worst in September — around 91 µg/m³ PM2.5 (unhealthy), about 12.6× the cleanest month (July, 7 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 1683 µg/m³Jul 108 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar12Good
Apr11Good
May10Good
Jun9Good
Jul7Good
Aug26Moderate
Sep91Unhealthy
Oct33Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Vila Rica?

Vila Rica sits at 10.0°S, 51.1°W, 257 m above sea level, in Brazil. The nearest listed city is Confresa, 86 km away.

Paraíso do TocantinsRedençãoFormoso do AraguaiaConceição do Araguaia

Topography around Vila Rica

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

Within 3 km, the terrain around Vila Rica has only modest variations in elevation — a maximum elevation change of 100 m around an average of 250 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 287 m; within 80 km, significant variations in elevation — a maximum elevation change of 479 m.

The land around Vila Rica is covered by grassland (61%) within 3 km, grassland (64%) and trees (30%) within 16 km, and trees (48%) and grassland (47%) within 80 km.

3 km
100 m
16 km
287 m
80 km
479 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Confresa 86 km · Santana do Araguaia 113 km · Lagoa da Confusão 185 km · Santa Maria das Barreiras 199 km · Paraíso do Tocantins 247 km · Redenção 251 km · Formoso do Araguaia 264 km · Conceição do Araguaia 281 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 Vila Rica (-10.0117°, -51.1164°, elevation 257 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).