Barreiro do Jaíba weather in September

In September, Barreiro do Jaíba sees average daytime highs of 34°C and overnight lows near 20°C, with 8 mm of rain across 1.4 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 62% of the time in September, and the air most often feels dry.

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 Barreiro do Jaíba's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Barreiro do Jaíba's year-round climate.

Daytime high
34°
2nd warmest
Overnight low
20°
5th coldest
Rainfall
8 mm
1.4 wet days
Daylight
11 h 54 min
6:51 AM – 6:46 PM
Cloud cover
34%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
6.34 kWh/m²
Travel score
4.1
out of 10

Barreiro do Jaíba 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 34°C through the month.

A typical September day in Barreiro do Jaíba reaches about 34°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63319
73319
83319
93319
103319
113319
123320
133320
143420
153420
163420
173420
183420
193420
203420
213421
223421
233421
243421
253421
263421
273421
283421
293421
303421

How September really feels in Barreiro do Jaíba

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.

Barreiro do Jaíba weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°11410.712.84.0
Feb32° / 22°749.412.53.9
Mar32° / 22°10710.412.14.0
Apr32° / 21°364.811.74.7
May31° / 20°71.911.35.4
Jun30° / 18°10.311.16.3
Jul30° / 18°0011.26.5
Aug31° / 18°10.211.55.6
Sep34° / 20°81.411.94.1
Oct34° / 22°576.512.43.3
Nov32° / 22°14613.212.73.6
Dec31° / 22°16514.312.93.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38317
48218
58218
68218
78218
88218
98218
108218
118218
128119
138119
148119
158020
168020
177921
187921
197723
207723
217624
227426
237426
247228
257228
267030
277030
286832
296832
306733

Chance of precipitation in September

Any precipitation

Barreiro do Jaíba gets around 8 mm of rain over 1.4 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 5% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
112
122
132
143
154
164
175
186
196
207
217
228
238
249
259
2610
2710
2810
2911
3011

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1583570
2593470
3583480
4583480
5583480
6573580
7573580
8573580
9563680
10553780
11543781
12523891
13513991
144939101
154840102
164641112
174441123
184241133
194042144
203842164
213642175
223442185
233342206
243142216
252942227
262842237
272741247
282641258
292541268
302441279

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 7:03 AM to 6:40 AM, and sunset from 6:45 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:036:45
211.77:036:45
311.77:026:45
411.77:016:45
511.87:006:45
611.86:596:45
711.86:596:45
811.86:586:45
911.86:576:46
1011.86:566:46
1111.86:556:46
1211.96:556:46
1311.96:546:46
1411.96:536:46
1511.96:526:46
1611.96:516:46
1711.96:506:46
1811.96:506:46
1912.06:496:46
2012.06:486:46
2112.06:476:46
2212.06:466:47
2312.06:466:47
2412.06:456:47
2512.06:446:47
2612.16:436:47
2712.16:426:47
2812.16:426:47
2912.16:416:47
3012.16:406:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.34 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.45 kWh/m² in October across the year — September's 6.34 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.1Intense
36.1Intense
46.1Intense
56.2Intense
66.2Intense
76.2Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.5Intense
Planning a trip in September

Hazard calendar for Barreiro do Jaíba

In seasonPeak

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

Barreiro do Jaíba's rainy season runs November–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 Barreiro do Jaíba?

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

4.1
Sightseeing
6th-best month of the year
7.6
Beach & pool
5th-best month of the year

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

What to pack for Barreiro do Jaíba in September

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

In September, Barreiro do Jaíba sees daytime highs around 34°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Barreiro do Jaíba 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 Barreiro do Jaíba peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 15Jul 11UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Barreiro do Jaíba?

Barreiro do Jaíba sits at 15.6°S, 43.6°W, 584 m above sea level, in Brazil. The nearest listed city is Jaíba, 32 km away.

Topography around Barreiro do Jaíba

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

Within 3 km, the terrain around Barreiro do Jaíba has significant variations in elevation — a maximum elevation change of 316 m around an average of 519 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 322 m; within 80 km, large variations in elevation — a maximum elevation change of 880 m.

The land around Barreiro do Jaíba is covered by trees (34%), cropland (30%) and grassland (23%) within 3 km, trees (37%) and cropland (27%) within 16 km, and trees (35%), grassland (27%) and shrubs (23%) within 80 km.

3 km
316 m
16 km
322 m
80 km
880 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Jaíba 32 km · Janaúba 37 km · Varzelândia 48 km · São João da Ponte 57 km · Porteirinha 62 km · Itacarambi 78 km · Januária 84 km · Monte Azul 92 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 Barreiro do Jaíba (-15.6153°, -43.5919°, elevation 584 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).