Barra do Corda weather in September

In September, Barra do Corda sees average daytime highs of 35°C and overnight lows near 23°C, with 10 mm of rain across 1.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 65% 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 Barra do Corda's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Barra do Corda's year-round climate.

Daytime high
35°
1st warmest
Overnight low
23°
9th coldest
Rainfall
10 mm
1.9 wet days
Daylight
12 hours
5:56 AM – 5:54 PM
Cloud cover
35%
2nd clearest
Wind
9 km/h
3rd windiest
Solar energy
6.37 kWh/m²
Travel score
3.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Barra do Corda reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 37°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13522
23523
33523
43523
53523
63523
73523
83523
93523
103523
113523
123523
133523
143523
153523
163523
173523
183523
193523
203523
213523
223523
233523
243523
253523
263523
273523
283523
293523
303524

How September really feels in Barra do Corda

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.

Barra do Corda weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°21326.212.32.9
Feb30° / 23°20723.912.22.9
Mar30° / 23°22527.1122.9
Apr30° / 23°16222.911.93.2
May31° / 22°8412.711.84.2
Jun32° / 22°112.611.74.9
Jul33° / 21°70.911.74.6
Aug34° / 22°30.411.83.9
Sep35° / 23°101.9123.2
Oct35° / 24°335.312.13.1
Nov33° / 24°8611.812.33.3
Dec32° / 23°13417.712.33.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 22% of September, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
38911
48911
58911
68911
78911
88911
98911
108911
118911
128911
138911
148911
158911
168911
178812
188812
198713
208713
218713
228614
238515
248515
258416
268416
278317
288317
298119
308119

Chance of precipitation in September

Any precipitation

Barra do Corda gets around 10 mm of rain over 1.9 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 6% and peaks near 10% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
23
34
44
54
64
74
84
94
104
114
125
135
145
155
165
175
186
196
207
217
228
238
248
259
269
279
2810
2910
3010

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 70% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17344217
27344217
37344217
47344217
57344217
67344117
77344117
87344117
97344118
107344118
117334118
126334219
136324219
146314320
155304321
165294422
175284424
184264525
194244527
204224628
213204730
223184731
233174833
243154834
252144935
262124937
272114938
282105039
29195139
30195040

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm

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 6:04 AM to 5:49 AM, and sunset from 5:57 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:045:57
211.96:035:57
311.96:035:57
411.96:025:57
511.96:025:57
611.96:015:57
711.96:015:56
811.96:005:56
911.96:005:56
1011.95:595:56
1111.95:595:55
1211.95:585:55
1312.05:585:55
1412.05:575:55
1512.05:575:55
1612.05:565:54
1712.05:565:54
1812.05:555:54
1912.05:555:54
2012.05:545:54
2112.05:545:53
2212.05:535:53
2312.05:535:53
2412.05:525:53
2512.05:515:53
2612.05:515:52
2712.05:505:52
2812.05:505:52
2912.05:495:52
3012.05:495:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.37 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.37 kWh/m² in September across the year — September's 6.37 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Barra do Corda

In seasonPeak

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

Barra do Corda's monsoon runs December–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 Barra do Corda?

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

3.2
Sightseeing
6th-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Barra do Corda in September

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

In September, Barra do Corda sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Barra do Corda 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 Barra do Corda peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 12UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Barra do Corda 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 Barra do Corda is worst in October — around 36 µg/m³ PM2.5 (poor), about 5.1× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1834 µg/m³Jun 197 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar13Moderate
Apr12Good
May9Good
Jun7Good
Jul8Good
Aug16Moderate
Sep22Moderate
Oct36Poor
Nov27Moderate
Dec18Moderate
Location & terrain

Where is Barra do Corda?

Barra do Corda sits at 5.5°S, 45.2°W, 148 m above sea level, in Brazil. The nearest listed city is Jenipapo dos Vieiras, 46 km away.

Topography around Barra do Corda

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

Within 3 km, the terrain around Barra do Corda has only modest variations in elevation — a maximum elevation change of 103 m around an average of 126 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, significant variations in elevation — a maximum elevation change of 431 m.

The land around Barra do Corda is covered by trees (59%) and artificial surfaces (24%) within 3 km, trees (71%) and grassland (27%) within 16 km, and trees (64%) and grassland (31%) within 80 km.

3 km
103 m
16 km
231 m
80 km
431 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Jenipapo dos Vieiras 46 km · Tuntum 71 km · Esperantinópolis 81 km · Presidente Dutra 87 km · Poção de Pedras 90 km · São Domingos do Maranhão 95 km · Dom Pedro 103 km · Grajaú 105 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 Barra do Corda (-5.5056°, -45.2433°, elevation 148 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).