Tianguá weather in September

In September, Tianguá sees average daytime highs of 32°C and overnight lows near 21°C, with 1 mm of rain across 0.3 wet days and about 12 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 80% of the time in September, and the air most often feels humid.

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 Tianguá's 1st-clearest and 2nd-windiest month. For the whole year in context, see Tianguá's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
21°
4th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 hours
5:39 AM – 5:38 PM
Cloud cover
26%
1st clearest
Wind
15 km/h
2nd windiest
Solar energy
6.91 kWh/m²
Travel score
5.3
out of 10

Tianguá is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Tianguá reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13221
23221
33221
43221
53221
63221
73221
83221
93221
103221
113221
123221
133221
143221
153221
163221
173221
183221
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221

How September really feels in Tianguá

Once humidity and wind are folded in, September averages 24 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
24
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.

Tianguá weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°14117.812.23.9
Feb29° / 22°16220.312.13.8
Mar29° / 21°23925.3123.6
Apr28° / 21°23923.311.93.8
May29° / 21°9614.311.85.0
Jun29° / 21°245.711.86.1
Jul30° / 20°9211.86.3
Aug31° / 21°30.611.95.9
Sep32° / 21°10.3125.3
Oct33° / 21°110.812.14.8
Nov33° / 22°81.312.24.6
Dec32° / 22°325.912.24.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2928
3928
4928
5928
6937
7937
8937
9937
10937
11937
12937
13946
14946
15946
16946
17955
18955
19955
20946
21946
22946
23946
24946
25946
26946
27937
28928
29928
30919

Chance of precipitation in September

Any precipitation

Tianguá gets around 1 mm of rain over 0.3 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
20
30
40
50
60
70
80
91
101
111
121
131
141
151
161
172
182
192
202
212
222
232
242
252
261
271
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
1157312
2157312
3157312
4157312
5167212
6167311
7167311
8167311
9157411
10157411
11147511
12147511
13137611
14127711
15127612
16117712
17117712
18107812
19107812
20107713
2197813
2297813
2397813
2497813
2587913
2687913
2787913
2878013
2978013
3078013

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 5:46 AM to 5:32 AM, and sunset from 5:42 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:465:42
211.95:455:41
311.95:455:41
411.95:455:41
511.95:445:41
611.95:445:40
711.95:435:40
812.05:435:40
912.05:425:40
1012.05:425:39
1112.05:415:39
1212.05:415:39
1312.05:405:38
1412.05:405:38
1512.05:395:38
1612.05:395:38
1712.05:385:37
1812.05:385:37
1912.05:375:37
2012.05:375:37
2112.05:375:36
2212.05:365:36
2312.05:365:36
2412.05:355:36
2512.05:355:35
2612.05:345:35
2712.05:345:35
2812.05:335:35
2912.05:335:34
3012.05:325:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.91 kWh/m².

For context, solar energy here swings from a low near 4.98 kWh/m² to a high of 6.98 kWh/m² in October across the year — September's 6.91 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
Planning a trip in September

Hazard calendar for Tianguá

In seasonPeak

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

Tianguá's monsoon runs January–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 Tianguá?

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

5.3
Sightseeing
4th-best month of the year
8.5
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Tianguá for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tianguá in September

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

In September, Tianguá sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Tianguá 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 Tianguá peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Tianguá 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 Tianguá is worst in December — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1017 µg/m³Jul 176 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar12Moderate
Apr12Good
May9Good
Jun7Good
Jul6Good
Aug7Good
Sep8Good
Oct12Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Tianguá?

Tianguá sits at 3.7°S, 41.0°W, 773 m above sea level, in Brazil. The nearest listed city is Ubajara, 16 km away.

Topography around Tianguá

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

Within 3 km, the terrain around Tianguá has only modest variations in elevation — a maximum elevation change of 114 m around an average of 787 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 820 m; within 80 km, large variations in elevation — a maximum elevation change of 1,009 m.

The land around Tianguá is covered by trees (30%), grassland (25%) and shrubs (21%) within 3 km, trees (48%) and shrubs (34%) within 16 km, and shrubs (50%) and trees (33%) within 80 km.

3 km
114 m
16 km
820 m
80 km
1,009 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ubajara 16 km · Frecheirinha 20 km · Viçosa do Ceará 22 km · Ibiapina 24 km · São Benedito 38 km · Coreaú 42 km · Carnaubal 49 km · Guaraciaba do Norte 55 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 Tianguá (-3.7322°, -40.9917°, elevation 773 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).