Poço Redondo weather in September

In September, Poço Redondo sees average daytime highs of 31°C and overnight lows near 21°C, with 14 mm of rain across 5 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 31% of the time in September, and the air most often feels muggy.

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 Poço Redondo's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Poço Redondo's year-round climate.

Daytime high
31°
8th warmest
Overnight low
21°
3rd coldest
Rainfall
14 mm
5 wet days
Daylight
11 h 54 min
5:27 AM – 5:23 PM
Cloud cover
49%
2nd clearest
Wind
15 km/h
2nd windiest
Solar energy
5.28 kWh/m²
Travel score
5.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical September day in Poço Redondo reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
23020
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163121
173121
183121
193121
203121
213121
223121
233121
243121
253221
263221
273221
283221
293221
303221

How September really feels in Poço Redondo

Once humidity and wind are folded in, September averages 13 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
13
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.

Poço Redondo weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°325.512.53.2
Feb34° / 24°346.212.33.2
Mar34° / 24°418.112.13.3
Apr33° / 23°388.211.83.9
May30° / 22°4110.711.64.8
Jun29° / 21°3611.411.45.5
Jul28° / 20°3011.711.56.1
Aug29° / 20°218.211.76.0
Sep31° / 21°14511.95.3
Oct33° / 22°122.312.24.4
Nov34° / 23°142.812.43.6
Dec34° / 23°183.112.63.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 34% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45842
55842
65842
75842
85941
96040
106139
116139
126337
136337
146535
156535
166733
176733
186832
196931
207030
217129
227228
237228
247327
257228
267327
277327
287327
297327
307327

Chance of precipitation in September

Any precipitation

Poço Redondo gets around 14 mm of rain over 5 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 17% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
121
221
321
421
521
621
721
822
922
1022
1122
1222
1321
1421
1520
1619
1718
1817
1916
2015
2114
2213
2312
2411
2510
269
278
288
297
307

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
124760
224760
324760
425750
525750
625750
726740
826740
926740
1026740
1126740
1226740
1326740
1426740
1526740
1626740
1726740
1826740
1926740
2025750
2125750
2225750
2325750
2425750
2525750
2625750
2725741
2825741
2925741
3025741

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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 5:36 AM to 5:18 AM, and sunset from 5:25 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:365:25
211.85:365:25
311.85:355:25
411.85:345:25
511.85:345:24
611.95:335:24
711.95:325:24
811.95:325:24
911.95:315:24
1011.95:315:24
1111.95:305:24
1211.95:295:24
1311.95:295:24
1411.95:285:24
1511.95:275:24
1611.95:275:23
1712.05:265:23
1812.05:255:23
1912.05:255:23
2012.05:245:23
2112.05:235:23
2212.05:235:23
2312.05:225:23
2412.05:215:23
2512.05:215:23
2612.05:205:23
2712.05:205:23
2812.15:195:22
2912.15:185:22
3012.15:185:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 6.51 kWh/m² in December across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Poço Redondo?

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

5.3
Sightseeing
4th-best month of the year
7.6
Beach & pool
1st-best month of the year

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

What to pack for Poço Redondo in September

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

In September, Poço Redondo sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Poço Redondo 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 Poço Redondo 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
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Poço Redondo?

Poço Redondo sits at 9.8°S, 37.7°W, 179 m above sea level, in Brazil. The nearest listed city is Canindé de São Francisco, 20 km away.

Topography around Poço Redondo

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

Within 3 km, the terrain around Poço Redondo has only modest variations in elevation — a maximum elevation change of 88 m around an average of 190 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 418 m; within 80 km, large variations in elevation — a maximum elevation change of 836 m.

The land around Poço Redondo is covered by grassland (72%) within 3 km, grassland (51%) and shrubs (32%) within 16 km, and grassland (57%) and shrubs (25%) within 80 km.

3 km
88 m
16 km
418 m
80 km
836 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Canindé de São Francisco 20 km · Piranhas 22 km · Pão de Açúcar 28 km · São José da Tapera 43 km · Porto da Folha 46 km · Olho d'Água das Flores 52 km · Nossa Senhora da Glória 54 km · Delmiro Gouveia 58 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 Poço Redondo (-9.805°, -37.6844°, elevation 179 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).