Picuí weather in September

In September, Picuí sees average daytime highs of 30°C and overnight lows near 19°C, with 3 mm of rain across 0.9 wet days and about 12 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Picuí's 1st-clearest and 1st-windiest month. For the whole year in context, see Picuí's year-round climate.

Daytime high
30°
7th warmest
Overnight low
19°
3rd coldest
Rainfall
3 mm
0.9 wet days
Daylight
12 hours
5:21 AM – 5:19 PM
Cloud cover
39%
1st clearest
Wind
21 km/h
1st windiest
Solar energy
6.24 kWh/m²
Travel score
6.2
out of 10

Picuí 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 30°C through the month.

A typical September day in Picuí reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12919
22919
33019
43019
53019
63019
73019
83019
93019
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213019
223119
233119
243119
253119
263119
273119
283119
293119
303119

How September really feels in Picuí

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Picuí weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°35812.34.6
Feb31° / 21°41912.24.4
Mar31° / 21°6412.5124.3
Apr30° / 21°6111.411.94.7
May29° / 21°398.211.75.5
Jun28° / 20°286.411.66.5
Jul28° / 19°234.811.77.1
Aug29° / 19°91.711.86.8
Sep30° / 19°30.9126.2
Oct31° / 20°30.712.15.6
Nov31° / 20°41.212.35.3
Dec31° / 21°112.912.45.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 30% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27723
37624
47624
57624
67624
77525
87525
97525
107624
117624
127624
137822
147822
157921
168020
178119
188218
198317
208416
218416
228515
238614
248713
258713
268812
278812
288911
298911
308911

Chance of precipitation in September

Any precipitation

Picuí gets around 3 mm of rain over 0.9 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
64
75
85
95
105
115
124
134
144
154
164
173
183
193
202
212
222
232
241
251
261
271
281
291
301

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
177617
277617
387517
487616
587616
687616
787616
887616
987616
1077716
1177815
1277815
1377815
1468014
1568014
1668014
1768113
1858213
1958213
2058213
2148313
2248313
2348313
2448313
2548313
2648214
2748214
2848214
2948214
3048214

Wind in September

Winds average 21 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 21 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 5:29 AM to 5:13 AM, and sunset from 5:21 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:295:21
211.95:285:21
311.95:285:21
411.95:275:21
511.95:275:21
611.95:265:21
711.95:265:20
811.95:255:20
911.95:255:20
1011.95:245:20
1111.95:245:20
1211.95:235:19
1311.95:225:19
1412.05:225:19
1512.05:215:19
1612.05:215:19
1712.05:205:18
1812.05:205:18
1912.05:195:18
2012.05:195:18
2112.05:185:18
2212.05:175:18
2312.05:175:17
2412.05:165:17
2512.05:165:17
2612.05:155:17
2712.05:155:17
2812.05:145:17
2912.05:145:16
3012.15:135:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.24 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.74 kWh/m² in October across the year — September's 6.24 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
86.0Bright
96.0Bright
106.0Intense
116.0Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.4Intense
206.4Intense
216.4Intense
226.5Intense
236.5Intense
246.6Intense
256.6Intense
266.6Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Is September a good time to visit Picuí?

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

6.2
Sightseeing
4th-best month of the year
8.6
Beach & pool
1st-best month of the year

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

What to pack for Picuí in September

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

In September, Picuí sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: a windbreaker.

light clothessun protectiona windbreaker

UV index in Picuí in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Picuí peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 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 13UV 15Jul 16UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Picuí?

Picuí sits at 6.5°S, 36.3°W, 445 m above sea level, in Brazil. The nearest listed city is Cuité, 22 km away.

Topography around Picuí

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

Within 3 km, the terrain around Picuí has only modest variations in elevation — a maximum elevation change of 185 m around an average of 455 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, large variations in elevation — a maximum elevation change of 793 m.

The land around Picuí is covered by shrubs (70%) within 3 km, shrubs (71%) and grassland (24%) within 16 km, and shrubs (73%) and grassland (23%) within 80 km.

3 km
185 m
16 km
367 m
80 km
793 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Cuité 22 km · Currais Novos 34 km · Parelhas 40 km · Santa Cruz 48 km · Lagoa Nova 48 km · Cacimba de Dentro 63 km · Araruna 67 km · Pocinhos 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 Picuí (-6.5106°, -36.3469°, elevation 445 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).