Cândido Mendes weather in September

In September, Cândido Mendes sees average daytime highs of 31°C and overnight lows near 24°C, with 23 mm of rain across 7.7 wet days and about 12 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 59% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Cândido Mendes's 1st-clearest and 2nd-windiest month. For the whole year in context, see Cândido Mendes's year-round climate.

Daytime high
31°
3rd warmest
Overnight low
24°
9th coldest
Rainfall
23 mm
7.7 wet days
Daylight
12 hours
5:57 AM – 5:57 PM
Cloud cover
40%
1st clearest
Wind
13 km/h
2nd windiest
Solar energy
6.06 kWh/m²
Travel score
4.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Cândido Mendes reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°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)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243224
253224
263224
273224
283224
293224
303224

How September really feels in Cândido Mendes

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.

Cândido Mendes weather by month

How September compares with the rest of the year at a glance. September 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
Jan30° / 24°25426.412.13.0
Feb29° / 23°36826.5122.9
Mar29° / 23°47830.4122.8
Apr29° / 23°49129.4122.8
May30° / 23°33228.211.93.0
Jun30° / 23°16724.811.93.4
Jul30° / 23°11622.911.93.8
Aug31° / 24°4716124.3
Sep31° / 24°237.7124.7
Oct32° / 24°216.8124.6
Nov32° / 24°306.312.14.4
Dec31° / 24°8315.312.13.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% 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 11%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
3919
4919
5919
6919
7919
8919
9919
10919
119010
129010
139010
149010
159010
168812
178812
188812
198812
208713
218713
228713
238713
248713
258713
268713
278713
288713
298614
308614

Chance of precipitation in September

Any precipitation

Cândido Mendes gets around 23 mm of rain over 7.7 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 27% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
336
435
534
633
732
831
930
1030
1129
1229
1328
1428
1527
1626
1726
1825
1924
2023
2123
2222
2321
2421
2520
2620
2719
2819
2919
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10982
20982
30982
40982
50982
60982
71972
81972
91972
101972
111972
121972
131972
141972
151972
160982
170982
180982
190991
200991
210991
220991
230991
240991
250991
2601000
2701000
2801000
291990
301990

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 12 hours 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 0 minutes over September. Sunrise moves from 6:03 AM to 5:52 AM, and sunset from 6:02 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:036:02
212.06:036:01
312.06:036:01
412.06:026:01
512.06:026:01
612.06:026:00
712.06:016:00
812.06:016:00
912.06:005:59
1012.06:005:59
1112.06:005:59
1212.05:595:58
1312.05:595:58
1412.05:585:58
1512.05:585:57
1612.05:575:57
1712.05:575:57
1812.05:575:56
1912.05:565:56
2012.05:565:56
2112.05:555:55
2212.05:555:55
2312.05:555:55
2412.05:545:54
2512.05:545:54
2612.05:535:54
2712.05:535:53
2812.05:535:53
2912.05:525:53
3012.05:525:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.06 kWh/m².

For context, solar energy here swings from a low near 4.16 kWh/m² to a high of 6.21 kWh/m² in October across the year — September's 6.06 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
66.0Bright
76.0Bright
86.0Bright
96.0Bright
106.0Bright
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Cândido Mendes

In seasonPeak

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

Cândido Mendes's monsoon runs January–May, 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 Cândido Mendes?

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

4.7
Sightseeing
1st-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Cândido Mendes in September

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

In September, Cândido Mendes sees daytime highs around 31°C and nights near 24°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Cândido Mendes in September

The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in May at about 29°C and coldest in September near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Warm
Oct28Warm
Nov28Tropical
Dec28Tropical

UV index in Cândido Mendes 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 Cândido Mendes peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 18UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cândido Mendes 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 Cândido Mendes is worst in February — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jul 116 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb20Moderate
Mar19Moderate
Apr14Moderate
May8Good
Jun7Good
Jul6Good
Aug8Good
Sep10Good
Oct10Good
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Cândido Mendes?

Cândido Mendes sits at 1.5°S, 45.7°W, 1 m above sea level, in Brazil. The nearest listed city is Carutapera, 43 km away.

Topography around Cândido Mendes

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

Within 3 km, the terrain around Cândido Mendes has only modest variations in elevation — a maximum elevation change of 36 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 90 m; within 80 km, only modest variations in elevation — a maximum elevation change of 180 m.

The land around Cândido Mendes is covered by grassland (34%), trees (28%) and mangroves (27%) within 3 km, trees (53%) and mangroves (20%) within 16 km, and trees (35%), water (31%) and grassland (22%) within 80 km.

3 km
36 m
16 km
90 m
80 km
180 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Carutapera 43 km · Turiaçu 46 km · Viseu 54 km · Maracaçumé 70 km · Bacuri 72 km · Apicum-Açu 73 km · Governador Nunes Freire 77 km · Centro Novo do Maranhão 88 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 Cândido Mendes (-1.4532°, -45.7283°, elevation 1 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).