Bonito weather in September

In September, Bonito sees average daytime highs of 26°C and overnight lows near 16°C, with 16 mm of rain across 6.1 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Bonito's 1st-clearest and 1st-windiest month. For the whole year in context, see Bonito's year-round climate.

Daytime high
26°
8th warmest
Overnight low
16°
3rd coldest
Rainfall
16 mm
6.1 wet days
Daylight
11 h 54 min
5:41 AM – 5:37 PM
Cloud cover
50%
1st clearest
Wind
14 km/h
1st windiest
Solar energy
5.35 kWh/m²
Travel score
7.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical September day in Bonito reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12516
22516
32516
42516
52516
62516
72516
82516
92516
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717

Bonito weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°10011.512.65.7
Feb28° / 19°6310.912.45.6
Mar28° / 19°8812.412.15.7
Apr27° / 19°521211.76.1
May25° / 18°299.811.56.7
Jun24° / 16°261011.36.8
Jul23° / 15°249.611.46.8
Aug24° / 15°238.711.67.1
Sep26° / 16°166.111.97.4
Oct28° / 18°315.512.36.9
Nov28° / 19°9710.412.66.0
Dec28° / 19°10110.212.75.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35347
45347
55347
65347
75347
85347
95446
105545
115644
125743
135743
145842
155941
165941
176040
186040
196139
206139
216238
226238
236139
246238
256238
266238
276238
286238
296238
306238

Chance of precipitation in September

Any precipitation

Bonito gets around 16 mm of rain over 6.1 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 20% and peaks near 23% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
123
222
322
422
522
622
722
822
922
1022
1122
1222
1322
1422
1522
1621
1721
1821
1920
2019
2119
2218
2318
2417
2517
2616
2716
2816
2915
3015

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1460360
2459370
3459370
4459370
5459370
6459370
7459370
8459370
9459370
10458380
11359380
12359380
13358390
14357400
15258400
16257410
17256420
18255430
19254440
20253450
21252460
22251470
23250481
24248491
25147511
26147511
27146521
28145522
29145522
30145522

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 14 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
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 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 18 minutes over September. Sunrise moves from 5:52 AM to 5:32 AM, and sunset from 5:38 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:525:38
211.85:515:38
311.85:505:38
411.85:505:38
511.85:495:38
611.85:485:38
711.85:485:38
811.85:475:38
911.95:465:38
1011.95:465:38
1111.95:455:38
1211.95:445:38
1311.95:435:38
1411.95:435:37
1511.95:425:37
1611.95:415:37
1711.95:415:37
1812.05:405:37
1912.05:395:37
2012.05:385:37
2112.05:385:37
2212.05:375:37
2312.05:365:37
2412.05:365:37
2512.05:355:37
2612.05:345:37
2712.15:345:37
2812.15:335:37
2912.15:325:37
3012.15:325:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.35 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 6.07 kWh/m² in October across the year — September's 5.35 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Bonito

In seasonPeak

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

Bonito's rainy season runs November–April, 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 Bonito?

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

7.4
Sightseeing
1st-best month of the year
7.1
Beach & pool
2nd-best month of the year

September is one of the better times to visit Bonito for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bonito in September

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

In September, Bonito sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Bonito 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 Bonito peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 18UV 15Jul 11UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Bonito?

Bonito sits at 12.0°S, 41.3°W, 1,000 m above sea level, in Brazil. The nearest listed city is Utinga, 22 km away.

Topography around Bonito

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

Within 3 km, the terrain around Bonito has only modest variations in elevation — a maximum elevation change of 116 m around an average of 1,002 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 537 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,241 m.

The land around Bonito is covered by shrubs (46%) and trees (43%) within 3 km, trees (61%) and shrubs (28%) within 16 km, and shrubs (46%) and trees (26%) within 80 km.

3 km
116 m
16 km
537 m
80 km
1,241 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Utinga 22 km · Cafarnaum 38 km · Souto Soares 43 km · Morro do Chapéu 48 km · Iraquara 49 km · Tapiramutá 53 km · América Dourada 60 km · Canarana 63 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 Bonito (-11.9694°, -41.2658°, elevation 1,000 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).