Chapadinha weather in September

In September, Chapadinha sees average daytime highs of 36°C and overnight lows near 24°C, with 4 mm of rain across 0.7 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 36°C through the month. The sky is clear or mostly clear about 78% of the time in September, and the air most often feels muggy.

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 Chapadinha's 1st-clearest and 3rd-windiest month. For the whole year in context, see Chapadinha's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
24°
9th coldest
Rainfall
4 mm
0.7 wet days
Daylight
12 hours
5:48 AM – 5:47 PM
Cloud cover
32%
1st clearest
Wind
11 km/h
3rd windiest
Solar energy
6.51 kWh/m²
Travel score
2.9
out of 10

Chapadinha 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 36°C through the month.

A typical September day in Chapadinha reaches about 36°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143624
153624
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273624
283624
293625
303625

How September really feels in Chapadinha

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
6 feel dangerously hot (≥ 39°C)
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.

Chapadinha 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
Jan33° / 24°19921.412.22.6
Feb32° / 24°25122.812.12.7
Mar31° / 23°30127.5122.6
Apr31° / 23°31226.111.92.7
May31° / 23°17518.911.83.4
Jun32° / 23°428.211.84.5
Jul32° / 23°233.911.84.5
Aug34° / 23°40.711.93.8
Sep36° / 24°40.7122.9
Oct36° / 25°121.412.12.3
Nov36° / 25°294.112.22.3
Dec35° / 25°639.312.22.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3955
4955
5955
6955
7955
8955
9955
10955
11946
12946
13946
14946
15946
16946
17937
18928
19928
20928
21919
22919
23919
24919
25919
26919
27919
28919
299010
309010

Chance of precipitation in September

Any precipitation

Chapadinha gets around 4 mm of rain over 0.7 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 2% and peaks near 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
112
122
132
142
152
162
173
183
193
203
213
223
234
244
254
264
274
284
294
304

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
146630
246729
346828
447026
557025
657124
757223
857322
957322
1057421
1157421
1257421
1357421
1457421
1557322
1647422
1747323
1847323
1947224
2047224
2147224
2237324
2337324
2437324
2537423
2637423
2737423
2837522
2937522
3027721

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 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
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 5:55 AM to 5:42 AM, and sunset from 5:51 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:555:51
211.95:555:51
311.95:545:51
411.95:545:50
511.95:545:50
611.95:535:50
711.95:535:50
812.05:525:49
912.05:525:49
1012.05:515:49
1112.05:515:48
1212.05:505:48
1312.05:505:48
1412.05:495:48
1512.05:495:47
1612.05:485:47
1712.05:485:47
1812.05:475:47
1912.05:475:46
2012.05:465:46
2112.05:465:46
2212.05:465:46
2312.05:455:45
2412.05:455:45
2512.05:445:45
2612.05:445:45
2712.05:435:44
2812.05:435:44
2912.05:425:44
3012.05:425:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.51 kWh/m².

For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.62 kWh/m² in October across the year — September's 6.51 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in September

Hazard calendar for Chapadinha

In seasonPeak

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

Chapadinha's monsoon runs January–May, 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 Chapadinha?

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

2.9
Sightseeing
5th-best month of the year
6.6
Beach & pool
4th-best month of the year

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

What to pack for Chapadinha in September

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

In September, Chapadinha sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Chapadinha 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 Chapadinha peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 15Jul 14UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec11Extreme

Air quality in Chapadinha 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 Chapadinha is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodModerateNov 1921 µg/m³Jun 129 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar14Moderate
Apr12Moderate
May10Good
Jun9Good
Jul13Moderate
Aug13Moderate
Sep10Good
Oct16Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Chapadinha?

Chapadinha sits at 3.7°S, 43.4°W, 109 m above sea level, in Brazil. The nearest listed city is Mata Roma, 31 km away.

Topography around Chapadinha

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

Within 3 km, the terrain around Chapadinha has only modest variations in elevation — a maximum elevation change of 60 m around an average of 92 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, only modest variations in elevation — a maximum elevation change of 155 m.

The land around Chapadinha is covered by trees (54%) and artificial surfaces (24%) within 3 km, trees (78%) within 16 km, and trees (77%) within 80 km.

3 km
60 m
16 km
85 m
80 km
155 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Mata Roma 31 km · São Benedito do Rio Preto 49 km · Buriti 53 km · Urbano Santos 60 km · Vargem Grande 65 km · Brejo 68 km · Coelho Neto 69 km · Miguel Alves 70 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 Chapadinha (-3.7417°, -43.3603°, elevation 109 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).