Tangará da Serra weather in September

In September, Tangará da Serra sees average daytime highs of 33°C and overnight lows near 22°C, with 56 mm of rain across 8.6 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 49% of the time in September, and the air most often feels muggy.

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 Tangará da Serra's 4th-clearest and 3rd-windiest month. For the whole year in context, see Tangará da Serra's year-round climate.

Daytime high
33°
1st warmest
Overnight low
22°
6th coldest
Rainfall
56 mm
8.6 wet days
Daylight
11 h 54 min
6:47 AM – 6:42 PM
Cloud cover
46%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.73 kWh/m²
Travel score
3.6
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 Tangará da Serra reaches about 33°C in the afternoon and slips back to 22°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 37°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
23321
33321
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143322
153322
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273322
283322
293322
303322

How September really feels in Tangará da Serra

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.

Tangará da Serra 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°23825.112.82.9
Feb31° / 23°22024.412.52.8
Mar31° / 22°21625.512.12.9
Apr31° / 22°11215.811.74.0
May30° / 20°416.811.35.6
Jun30° / 19°111.911.26.3
Jul30° / 18°6111.26.3
Aug32° / 19°162.411.54.8
Sep33° / 22°568.611.93.6
Oct33° / 23°12017.812.32.9
Nov32° / 23°16721.512.72.9
Dec31° / 23°2092512.82.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28020
37822
47822
57723
67624
77624
87426
97426
107228
117228
127129
136931
146931
156832
166832
176634
186634
196436
206436
216337
226139
236040
245842
255842
265644
275545
285446
295347
305347

Chance of precipitation in September

Any precipitation

Tangará da Serra gets around 56 mm of rain over 8.6 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 29% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
115
216
316
417
518
618
719
820
920
1021
1123
1224
1325
1426
1527
1629
1730
1831
1933
2034
2135
2237
2338
2439
2540
2641
2742
2843
2944
3045

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
182130339
282029339
3820283410
4819273511
5818263512
6818263513
7817253614
8816253615
9715243617
10714233718
11714233719
12613223821
13612223822
14611213923
15510213925
1659203926
1758204028
1847194029
1947194031
2046184033
2136173934
2235163936
2335163838
2434153841
2524143743
2624133645
2723133547
2823123449
2923123350
3013113253

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 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
237calm
247calm
257calm
267calm
277calm
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 6:58 AM to 6:36 AM, and sunset from 6:41 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:586:41
211.76:586:41
311.76:576:41
411.86:566:41
511.86:556:41
611.86:556:41
711.86:546:41
811.86:536:41
911.86:526:42
1011.86:516:42
1111.86:516:42
1211.96:506:42
1311.96:496:42
1411.96:486:42
1511.96:476:42
1611.96:476:42
1711.96:466:42
1811.96:456:42
1912.06:446:42
2012.06:446:42
2112.06:436:42
2212.06:426:42
2312.06:416:42
2412.06:406:42
2512.06:406:42
2612.16:396:42
2712.16:386:42
2812.16:376:43
2912.16:376:43
3012.16:366:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.73 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.93 kWh/m² in October across the year — September's 5.73 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Tangará da Serra

In seasonPeak

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

Tangará da Serra's monsoon runs October–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 Tangará da Serra?

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

3.6
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 Tangará da Serra. The water and warmth also suit a beach or pool day.

What to pack for Tangará da Serra in September

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

In September, Tangará da Serra sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Tangará da Serra in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tangará da Serra peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 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 20UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Tangará da Serra 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 Tangará da Serra is worst in September — around 44 µg/m³ PM2.5 (poor), about 6.4× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodSep 1641 µg/m³Jul 117 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar9Good
Apr8Good
May9Good
Jun9Good
Jul7Good
Aug20Moderate
Sep44Poor
Oct21Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Tangará da Serra?

Tangará da Serra sits at 14.6°S, 57.5°W, 392 m above sea level, in Brazil. The nearest listed city is Nova Olímpia, 29 km away.

Topography around Tangará da Serra

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

Within 3 km, the terrain around Tangará da Serra has only modest variations in elevation — a maximum elevation change of 113 m around an average of 384 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 341 m; within 80 km, significant variations in elevation — a maximum elevation change of 567 m.

The land around Tangará da Serra is covered by artificial surfaces (44%) and grassland (27%) within 3 km, grassland (40%), cropland (35%) and trees (22%) within 16 km, and trees (38%), grassland (33%) and cropland (27%) within 80 km.

3 km
113 m
16 km
341 m
80 km
567 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Nova Olímpia 29 km · Barra do Bugres 60 km · Lambari d'Oeste 96 km · Campo Novo do Parecis 114 km · Diamantino 114 km · Rosário Oeste 116 km · Nobres 125 km · São José dos Quatro Marcos 134 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 Tangará da Serra (-14.6194°, -57.4858°, elevation 392 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).