Vila Bela da Santíssima Trindade weather in September

In September, Vila Bela da Santíssima Trindade sees average daytime highs of 33°C and overnight lows near 21°C, with 61 mm of rain across 9.4 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 33°C through the month. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels oppressive.

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 Vila Bela da Santíssima Trindade's 4th-clearest and 1st-windiest month. For the whole year in context, see Vila Bela da Santíssima Trindade's year-round climate.

Daytime high
33°
1st warmest
Overnight low
21°
5th coldest
Rainfall
61 mm
9.4 wet days
Daylight
11 h 54 min
6:57 AM – 6:52 PM
Cloud cover
47%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
5.65 kWh/m²
Travel score
3.7
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 Vila Bela da Santíssima Trindade reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13320
23320
33320
43320
53320
63320
73321
83321
93321
103321
113321
123321
133321
143321
153321
163321
173321
183321
193321
203321
213321
223321
233322
243322
253322
263322
273322
283322
293322
303322

How September really feels in Vila Bela da Santíssima Trindade

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 Bela da Santíssima Trindade 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
Jan31° / 23°26126.512.82.8
Feb30° / 23°2682512.52.7
Mar31° / 22°21824.412.13.0
Apr30° / 21°11715.711.74.1
May29° / 20°528.711.35.6
Jun29° / 18°17311.16.6
Jul30° / 17°142.111.26.6
Aug32° / 19°203.611.55.1
Sep33° / 21°619.411.93.7
Oct33° / 22°12918.512.33.0
Nov31° / 22°19121.612.73.0
Dec31° / 23°24925.812.92.8

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 16% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27723
37624
47525
57426
67426
77327
87228
97129
107129
116931
126931
136832
146832
156634
166535
176535
186436
196337
206238
216238
226040
235941
245842
255842
265644
275545
285545
295347
305347

Chance of precipitation in September

Any precipitation

Vila Bela da Santíssima Trindade gets around 61 mm of rain over 9.4 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 32% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
118
219
320
421
521
622
723
823
924
1025
1125
1226
1327
1428
1529
1630
1731
1832
1934
2035
2137
2239
2340
2442
2544
2645
2747
2848
2949
3050

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18112243170
28112043180
37111943190
47111943210
57111843220
66101743240
76101642250
86101642260
95101542280
10591541290
11591441310
12591341320
13581341340
14481240350
15471140370
16471139380
17471138400
18471037410
19461036431
20461035441
21461034461
2246933481
2335932501
2435931511
2535930521
2634828561
2734827571
2834826581
2924825601
3023724622

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

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 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 7:08 AM to 6:46 AM, and sunset from 6:51 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:086:51
211.77:086:51
311.77:076:51
411.77:066:51
511.87:056:51
611.87:056:51
711.87:046:51
811.87:036:51
911.87:026:51
1011.87:016:51
1111.87:016:51
1211.97:006:51
1311.96:596:51
1411.96:586:52
1511.96:576:52
1611.96:576:52
1711.96:566:52
1811.96:556:52
1912.06:546:52
2012.06:536:52
2112.06:536:52
2212.06:526:52
2312.06:516:52
2412.06:506:52
2512.06:496:52
2612.16:496:52
2712.16:486:52
2812.16:476:52
2912.16:466:53
3012.16:466:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.65 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.89 kWh/m² in October across the year — September's 5.65 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Vila Bela da Santíssima Trindade

In seasonPeak

None of Vila Bela da Santíssima Trindade'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 Bela da Santíssima Trindade's monsoon runs October–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 Vila Bela da Santíssima Trindade?

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

3.7
Sightseeing
6th-best month of the year
6.5
Beach & pool
5th-best month of the year

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

What to pack for Vila Bela da Santíssima Trindade in September

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

In September, Vila Bela da Santíssima Trindade sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Vila Bela da Santíssima Trindade in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vila Bela da Santíssima Trindade peaks around January 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 19UV 16Sep 14UV 4
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May8Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep3Moderate
Oct12Extreme
Nov12Extreme
Dec14Extreme

Air quality in Vila Bela da Santíssima Trindade 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 Bela da Santíssima Trindade is worst in September — around 83 µg/m³ PM2.5 (unhealthy), about 10.7× the cleanest month (May, 8 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecGoodUnhealthyModerateSep 1378 µg/m³May 108 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr8Good
May8Good
Jun10Good
Jul10Good
Aug57Unhealthy
Sep83Unhealthy
Oct30Moderate
Nov17Moderate
Dec12Good
Location & terrain

Where is Vila Bela da Santíssima Trindade?

Vila Bela da Santíssima Trindade sits at 15.0°S, 60.0°W, 200 m above sea level, in Brazil. The nearest listed city is Pontes e Lacerda, 70 km away.

Topography around Vila Bela da Santíssima Trindade

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vila Bela da Santíssima Trindade.

Within 3 km, the terrain around Vila Bela da Santíssima Trindade has only modest variations in elevation — a maximum elevation change of 35 m around an average of 199 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 885 m; within 80 km, large variations in elevation — a maximum elevation change of 890 m.

The land around Vila Bela da Santíssima Trindade is covered by grassland (63%) and trees (28%) within 3 km, grassland (59%) and trees (35%) within 16 km, and trees (46%) and grassland (43%) within 80 km.

3 km
35 m
16 km
885 m
80 km
890 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Pontes e Lacerda 70 km · Comodoro 151 km · San Ignacio de Velasco 187 km · São José dos Quatro Marcos 202 km · Sapezal 204 km · Lambari d'Oeste 212 km · Mirassol d'Oeste 213 km · Colorado do Oeste 220 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 Bela da Santíssima Trindade (-15.0081°, -59.9506°, elevation 200 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).