Viçosa do Ceará weather in September

In September, Viçosa do Ceará sees average daytime highs of 33°C and overnight lows near 22°C, with 1 mm of rain across 0.2 wet days and about 12 hours of daylight. It is the 3rd-warmest and 12th-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 83% 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 hours by month's end. Set against the rest of the year, September is Viçosa do Ceará's 1st-clearest and 2nd-windiest month. For the whole year in context, see Viçosa do Ceará's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
22°
5th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 hours
5:39 AM – 5:38 PM
Cloud cover
24%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
6.83 kWh/m²
Travel score
4.5
out of 10

Viçosa do Ceará 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 33°C through the month.

A typical September day in Viçosa do Ceará reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153322
163322
173322
183322
193322
203322
213323
223323
233423
243423
253423
263423
273423
283423
293423
303423

How September really feels in Viçosa do Ceará

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.

Viçosa do Ceará weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°1191712.23.5
Feb30° / 23°1402012.13.4
Mar30° / 22°20825123.3
Apr29° / 22°20722.911.93.5
May30° / 22°7712.711.84.6
Jun31° / 22°143.511.85.5
Jul31° / 22°61.211.85.6
Aug32° / 22°20.311.95.1
Sep33° / 22°10.2124.5
Oct34° / 23°60.512.14.0
Nov34° / 23°50.812.23.8
Dec33° / 23°285.412.23.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3937
4937
5937
6937
7937
8937
9937
10937
11937
12946
13946
14946
15955
16955
17955
18955
19964
20964
21964
22964
23964
24964
25955
26946
27946
28946
29946
30937

Chance of precipitation in September

Any precipitation

Viçosa do Ceará gets around 1 mm of rain over 0.2 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
101
111
121
131
141
151
161
171
181
191
201
211
221
231
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 58% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
115940
216039
316039
416138
516138
616237
716237
816237
916237
1016237
1116138
1216138
1316039
1415940
1515940
1615841
1715742
1815643
1915544
2015544
2115445
2215445
2315445
2415445
2515346
2615346
2715346
2815346
2905446
3005446

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 5:46 AM to 5:33 AM, and sunset from 5:42 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:465:42
211.95:465:42
311.95:455:42
411.95:455:41
511.95:445:41
611.95:445:41
712.05:435:41
812.05:435:40
912.05:435:40
1012.05:425:40
1112.05:425:39
1212.05:415:39
1312.05:415:39
1412.05:405:39
1512.05:405:38
1612.05:395:38
1712.05:395:38
1812.05:385:38
1912.05:385:37
2012.05:375:37
2112.05:375:37
2212.05:365:36
2312.05:365:36
2412.05:365:36
2512.05:355:36
2612.05:355:35
2712.05:345:35
2812.05:345:35
2912.05:335:35
3012.05:335:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.83 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.87 kWh/m² in October across the year — September's 6.83 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in September

Hazard calendar for Viçosa do Ceará

In seasonPeak

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

Viçosa do Ceará's monsoon runs January–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 Viçosa do Ceará?

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

4.5
Sightseeing
5th-best month of the year
8.2
Beach & pool
3rd-best month of the year

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

What to pack for Viçosa do Ceará in September

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

In September, Viçosa do Ceará sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Viçosa do Ceará 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 Viçosa do Ceará peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Viçosa do Ceará 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 Viçosa do Ceará is worst in December — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateDec 1017 µg/m³Jul 176 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar12Moderate
Apr12Good
May9Good
Jun7Good
Jul6Good
Aug7Good
Sep8Good
Oct12Moderate
Nov17Moderate
Dec17Moderate
Location & terrain

Where is Viçosa do Ceará?

Viçosa do Ceará sits at 3.6°S, 41.1°W, 719 m above sea level, in Brazil. The nearest listed city is Tianguá, 22 km away.

Topography around Viçosa do Ceará

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

Within 3 km, the terrain around Viçosa do Ceará has large variations in elevation — a maximum elevation change of 660 m around an average of 602 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 749 m; within 80 km, large variations in elevation — a maximum elevation change of 1,010 m.

The land around Viçosa do Ceará is covered by trees (84%) within 3 km, trees (67%) and shrubs (24%) within 16 km, and shrubs (41%) and trees (40%) within 80 km.

3 km
660 m
16 km
749 m
80 km
1,010 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Tianguá 22 km · Ubajara 38 km · Frecheirinha 38 km · Ibiapina 46 km · Coreaú 48 km · Cocal 53 km · Granja 57 km · São Benedito 60 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 Viçosa do Ceará (-3.5622°, -41.0922°, elevation 719 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).