Matinha weather in September

In September, Matinha sees average daytime highs of 33°C and overnight lows near 25°C, with 11 mm of rain across 2.7 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 63% of the time in September, and the air most often feels oppressive.

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 Matinha's 1st-clearest and 2nd-windiest month. For the whole year in context, see Matinha's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
25°
9th coldest
Rainfall
11 mm
2.7 wet days
Daylight
12 hours
5:55 AM – 5:54 PM
Cloud cover
38%
1st clearest
Wind
12 km/h
2nd windiest
Solar energy
6.06 kWh/m²
Travel score
4.0
out of 10

Matinha 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 Matinha reaches about 33°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133424
143424
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283425
293425
303425

How September really feels in Matinha

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.

Matinha 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
Jan32° / 24°19624.512.22.7
Feb31° / 24°26425.712.12.6
Mar31° / 24°35429.6122.5
Apr31° / 24°35928.311.92.5
May31° / 24°22424.811.92.9
Jun31° / 24°9417.211.83.8
Jul31° / 23°6312.811.84.3
Aug32° / 24°215.711.94.4
Sep33° / 25°112.7124.0
Oct34° / 25°21412.13.6
Nov34° / 25°356.412.13.5
Dec33° / 25°7813.412.23.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
2919
39010
4919
5919
6919
7919
8919
9919
10919
11919
12919
139010
148911
158911
168911
178911
188911
198812
208812
218812
228812
238713
248713
258713
268713
278713
288614
298614
308614

Chance of precipitation in September

Any precipitation

Matinha gets around 11 mm of rain over 2.7 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 10% and peaks near 13% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
113
213
312
412
511
611
710
810
910
109
119
1210
1310
1410
1510
1610
1710
1810
1910
209
219
229
239
249
259
269
279
289
299
309

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
13934
23943
33943
44933
54942
64942
74942
85932
95932
105932
115941
125941
135941
145941
155941
165941
175941
184951
194951
204951
214951
224951
234951
244951
254951
264951
274951
284951
294951
304951

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light 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 6:02 AM to 5:49 AM, and sunset from 5:58 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:025:58
211.96:015:58
311.96:015:58
411.96:005:57
512.06:005:57
612.05:595:57
712.05:595:56
812.05:595:56
912.05:585:56
1012.05:585:56
1112.05:575:55
1212.05:575:55
1312.05:565:55
1412.05:565:55
1512.05:555:54
1612.05:555:54
1712.05:545:54
1812.05:545:53
1912.05:545:53
2012.05:535:53
2112.05:535:53
2212.05:525:52
2312.05:525:52
2412.05:515:52
2512.05:515:51
2612.05:505:51
2712.05:505:51
2812.05:505:51
2912.05:495:50
3012.05:495:50

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 4.21 kWh/m² to a high of 6.17 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
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Matinha

In seasonPeak

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

Matinha'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 Matinha?

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

4.0
Sightseeing
3rd-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Matinha in September

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

In September, Matinha sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Matinha 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 Matinha peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 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 15UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec11Extreme

Air quality in Matinha 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 Matinha is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1918 µg/m³Jun 199 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun9Good
Jul9Good
Aug10Good
Sep9Good
Oct13Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Matinha?

Matinha sits at 3.1°S, 45.0°W, 30 m above sea level, in Brazil. The nearest listed city is Viana, 14 km away.

Topography around Matinha

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

Within 3 km, the terrain around Matinha has only modest variations in elevation — a maximum elevation change of 38 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 65 m; within 80 km, only modest variations in elevation — a maximum elevation change of 170 m.

The land around Matinha is covered by grassland (65%) and trees (27%) within 3 km, grassland (42%) and trees (33%) within 16 km, and trees (39%) and grassland (39%) within 80 km.

3 km
38 m
16 km
65 m
80 km
170 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Viana 14 km · Cajari 25 km · Penalva 27 km · São Vicente Ferrer 29 km · São João Batista 30 km · Pedro do Rosário 38 km · Vitória do Mearim 44 km · Arari 48 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 Matinha (-3.1006°, -45.0336°, elevation 30 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).