Tupã weather in September

In September, Tupã sees average daytime highs of 30°C and overnight lows near 18°C, with 75 mm of rain across 7.4 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Tupã's 4th-clearest and 1st-windiest month. For the whole year in context, see Tupã's year-round climate.

Daytime high
30°
7th warmest
Overnight low
18°
5th coldest
Rainfall
75 mm
7.4 wet days
Daylight
11 h 54 min
7:20 AM – 7:13 PM
Cloud cover
43%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.53 kWh/m²
Travel score
5.4
out of 10

Tupã 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 30°C through the month.

A typical September day in Tupã reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 36°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13017
23017
33017
43017
53017
63017
73018
83018
93018
103018
113018
123018
133018
143018
153018
163018
173018
183018
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293019
303019

How September really feels in Tupã

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tupã weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°24421.713.23.5
Feb30° / 22°18919.212.83.6
Mar30° / 21°13817.112.24.2
Apr29° / 19°667.911.55.7
May27° / 16°616.2117.3
Jun26° / 15°424.610.77.8
Jul27° / 15°263.510.88.0
Aug29° / 16°313.611.26.9
Sep30° / 18°757.411.95.4
Oct31° / 20°12212.612.54.4
Nov31° / 20°14214.3134.1
Dec31° / 21°19119.513.33.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% 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 (%)
17624
27624
37525
47426
57426
67327
77228
87129
97129
106931
116931
126832
136832
146733
156733
166535
176535
186436
196436
206337
216238
226139
236040
245941
255941
265743
275644
285644
295545
305545

Chance of precipitation in September

Any precipitation

Tupã gets around 75 mm of rain over 7.4 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 25% 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 (%)
115
215
316
417
517
618
719
820
920
1021
1122
1222
1323
1424
1524
1625
1726
1826
1927
2028
2129
2230
2331
2431
2532
2633
2733
2834
2934
3034

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
156261440
255261450
355251550
453251660
552251760
651251860
749251970
848252070
946252170
1045262280
1143262380
1241272380
1340272490
1438282590
1536292690
16342926100
17333026110
18313127110
19293127120
20283227130
21263227150
22253227160
23243227170
24223127190
25213127211
26203027221
27202927241
28192927251
29182827261
30182727272

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 7:35 AM to 7:06 AM, and sunset from 7:08 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:357:08
211.67:347:09
311.67:337:09
411.67:327:09
511.67:317:10
611.77:307:10
711.77:297:10
811.77:287:10
911.77:277:11
1011.77:267:11
1111.87:257:11
1211.87:247:12
1311.87:237:12
1411.87:227:12
1511.97:217:12
1611.97:207:13
1711.97:197:13
1811.97:187:13
1911.97:177:13
2012.07:167:14
2112.07:157:14
2212.07:147:14
2312.07:137:15
2412.07:127:15
2512.17:117:15
2612.17:107:15
2712.17:097:16
2812.17:087:16
2912.27:077:16
3012.27:067:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.53 kWh/m².

For context, solar energy here swings from a low near 3.68 kWh/m² to a high of 6.12 kWh/m² in November across the year — September's 5.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Tupã

In seasonPeak

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

Tupã's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Tupã?

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

5.4
Sightseeing
6th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Tupã in September

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

In September, Tupã sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Tupã in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tupã peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Tupã 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 Tupã is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun9Good
Jul9Good
Aug13Moderate
Sep20Moderate
Oct13Moderate
Nov7Good
Dec8Good
Location & terrain

Where is Tupã?

Tupã sits at 21.9°S, 50.5°W, 528 m above sea level, in Brazil. The nearest listed city is Bastos, 23 km away.

Topography around Tupã

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

Within 3 km, the terrain around Tupã has only modest variations in elevation — a maximum elevation change of 107 m around an average of 497 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 199 m; within 80 km, significant variations in elevation — a maximum elevation change of 409 m.

The land around Tupã is covered by artificial surfaces (41%) and grassland (25%) within 3 km, cropland (60%) and grassland (25%) within 16 km, and cropland (55%) and grassland (28%) within 80 km.

3 km
107 m
16 km
199 m
80 km
409 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Bastos 23 km · Pompéia 40 km · Osvaldo Cruz 41 km · Rancharia 51 km · Paraguaçu Paulista 54 km · Lucélia 57 km · Adamantina 64 km · Marília 66 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 Tupã (-21.9347°, -50.5136°, elevation 528 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).