Sertânia weather in October

In October, Sertânia sees average daytime highs of 33°C and overnight lows near 20°C, with 5 mm of rain across 0.8 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 55% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Sertânia's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Sertânia's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
20°
5th coldest
Rainfall
5 mm
0.8 wet days
Daylight
12 h 12 min
5:09 AM – 5:20 PM
Cloud cover
41%
2nd clearest
Wind
17 km/h
2nd windiest
Solar energy
6.98 kWh/m²
Travel score
4.3
out of 10

Sertânia is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical October day in Sertânia reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13320
23320
33320
43320
53320
63320
73320
83320
93320
103320
113320
123320
133320
143320
153320
163320
173320
183320
193320
203320
213320
223320
233320
243320
253320
263320
273320
283320
293320
303320
313320

How October really feels in Sertânia

Once humidity and wind are folded in, October averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sertânia weather by month

How October compares with the rest of the year at a glance. October is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°456.312.43.8
Feb33° / 21°506.912.33.8
Mar32° / 22°669.112.13.9
Apr31° / 21°588.411.84.3
May30° / 20°407.711.65.2
Jun29° / 19°225.211.56.2
Jul28° / 19°143.911.66.5
Aug30° / 18°71.611.76.2
Sep32° / 19°20.7125.2
Oct33° / 20°50.812.24.3
Nov33° / 21°9112.44.0
Dec33° / 21°14212.53.9

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28416
38416
48317
58218
68119
77921
87921
97822
107723
117723
127624
137624
147624
157624
167624
177525
187525
197525
207525
217426
227426
237327
247327
257228
267228
277228
287228
297228
307228
317228

Chance of precipitation in October

Any precipitation

Sertânia gets around 5 mm of rain over 0.8 wet days in October. 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 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
42
52
62
72
82
92
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
254
264
274
284
294
304
314

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1150490
2150491
3149491
4149491
5148501
6148502
7147502
8146512
9145513
10145513
11144514
12143524
13142525
14142525
15141535
16140545
17139546
18139546
19138556
20137566
21136576
22136576
23135586
24134596
25134605
26133615
27133615
28132625
29132625
30131635
31131626

Wind in October

Winds average 17 km/h in October.

Across October, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 5:16 AM to 5:04 AM, and sunset from 5:20 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:165:20
212.15:155:20
312.15:155:20
412.15:145:20
512.15:145:20
612.15:135:20
712.15:135:20
812.15:125:20
912.15:125:20
1012.15:115:20
1112.15:115:20
1212.25:105:20
1312.25:105:20
1412.25:095:20
1512.25:095:20
1612.25:095:20
1712.25:085:20
1812.25:085:20
1912.25:075:20
2012.25:075:20
2112.25:075:20
2212.25:065:20
2312.25:065:20
2412.25:065:20
2512.25:065:20
2612.35:055:20
2712.35:055:20
2812.35:055:21
2912.35:055:21
3012.35:045:21
3112.35:045:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.98 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.98 kWh/m² in October across the year — October's 6.98 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in October

Is October a good time to visit Sertânia?

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

4.3
Sightseeing
6th-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Sertânia in October

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

In October, Sertânia sees daytime highs around 33°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Sertânia in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Sertânia peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 15Jun 22UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Sertânia?

Sertânia sits at 8.1°S, 37.3°W, 558 m above sea level, in Brazil. The nearest listed city is Monteiro, 26 km away.

Topography around Sertânia

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

Within 3 km, the terrain around Sertânia has only modest variations in elevation — a maximum elevation change of 111 m around an average of 571 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 568 m; within 80 km, large variations in elevation — a maximum elevation change of 792 m.

The land around Sertânia is covered by shrubs (47%) and grassland (36%) within 3 km, shrubs (71%) and grassland (24%) within 16 km, and shrubs (69%) and grassland (22%) within 80 km.

3 km
111 m
16 km
568 m
80 km
792 m
treesshrubsgrasslandcroplandartificial surfaces
October weather nearby: Monteiro 26 km · Custódia 42 km · Arcoverde 45 km · Afogados da Ingazeira 55 km · Pedra 59 km · Sumé 62 km · Tabira 62 km · Buíque 62 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 Sertânia (-8.0736°, -37.2644°, elevation 558 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).