Amarante weather in September

In September, Amarante sees average daytime highs of 36°C and overnight lows near 25°C, with 5 mm of rain across 0.6 wet days and about 12 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 72% 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 Amarante's 2nd-clearest and 4th-windiest month. For the whole year in context, see Amarante's year-round climate.

Daytime high
36°
2nd warmest
Overnight low
25°
11th coldest
Rainfall
5 mm
0.6 wet days
Daylight
12 hours
5:47 AM – 5:45 PM
Cloud cover
30%
2nd clearest
Wind
11 km/h
4th windiest
Solar energy
6.68 kWh/m²
Travel score
2.7
out of 10

Amarante 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 36°C through the month.

A typical September day in Amarante reaches about 36°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 37°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)
13525
23525
33525
43525
53525
63625
73625
83625
93625
103625
113625
123625
133625
143625
153625
163625
173625
183626
193626
203626
213626
223626
233626
243626
253626
263626
273626
283626
293626
303626

How September really feels in Amarante

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.

Amarante weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°21823.112.32.9
Feb31° / 23°21922.112.22.9
Mar31° / 23°24125.5122.9
Apr31° / 23°15918.911.93.4
May32° / 23°62811.74.2
Jun33° / 24°71.811.64.5
Jul33° / 24°50.611.74.4
Aug35° / 24°10.111.83.7
Sep36° / 25°50.6122.7
Oct36° / 26°252.912.12.4
Nov35° / 25°697.812.32.8
Dec33° / 24°10413.412.43.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
19010
29010
39010
49010
59010
69010
79010
89010
99010
10919
11919
12919
13919
14919
15928
16928
17928
18928
19928
20919
21919
22919
23919
249010
259010
268911
278812
288812
298713
308614

Chance of precipitation in September

Any precipitation

Amarante gets around 5 mm of rain over 0.6 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 2% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
152
162
172
182
192
202
212
223
233
243
253
264
274
284
294
305

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14464191
24454191
34454191
44454191
54454191
64454191
74444191
844441101
944441101
1034442101
1134342101
1234342111
1334242111
1434242121
1524243121
1624143131
1724042141
1823942151
1923842161
2023743172
2123643182
2223543182
2323443192
2423343202
2523243212
2623043223
2722943233
2822943233
2922843244
3022742244

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 12 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
1012light breeze
1112calm
1212calm
1312calm
1412calm
1512calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:55 AM to 5:39 AM, and sunset from 5:47 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:555:47
211.95:545:47
311.95:545:47
411.95:535:47
511.95:535:47
611.95:525:47
711.95:525:46
811.95:515:46
911.95:515:46
1011.95:505:46
1111.95:495:46
1211.95:495:45
1311.95:485:45
1412.05:485:45
1512.05:475:45
1612.05:475:45
1712.05:465:44
1812.05:465:44
1912.05:455:44
2012.05:455:44
2112.05:445:44
2212.05:435:44
2312.05:435:43
2412.05:425:43
2512.05:425:43
2612.05:415:43
2712.05:415:43
2812.05:405:42
2912.05:405:42
3012.05:395:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.68 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.68 kWh/m² in September across the year — September's 6.68 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Amarante

In seasonPeak

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

Amarante'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 Amarante?

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

2.7
Sightseeing
11th-best month of the year
6.4
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Amarante. The water and warmth also suit a beach or pool day.

What to pack for Amarante in September

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

In September, Amarante sees daytime highs around 36°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Amarante 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 Amarante peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 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 12UV 15Jul 24UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in Amarante 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 Amarante is worst in October — around 42 µg/m³ PM2.5 (poor), about 9.7× the cleanest month (July, 4 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateModerateOct 1639 µg/m³Jul 104 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar12Moderate
Apr11Good
May9Good
Jun5Good
Jul4Good
Aug11Good
Sep22Moderate
Oct42Poor
Nov18Moderate
Dec14Moderate
Location & terrain

Where is Amarante?

Amarante sits at 6.2°S, 42.8°W, 102 m above sea level, in Brazil. The nearest listed city is Regeneração, 18 km away.

Topography around Amarante

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

Within 3 km, the terrain around Amarante has only modest variations in elevation — a maximum elevation change of 131 m around an average of 116 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 302 m; within 80 km, significant variations in elevation — a maximum elevation change of 403 m.

The land around Amarante is covered by trees (42%) and grassland (31%) within 3 km, trees (59%) and shrubs (23%) within 16 km, and trees (69%) within 80 km.

3 km
131 m
16 km
302 m
80 km
403 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Regeneração 18 km · Água Branca 45 km · Barão de Grajaú 60 km · Floriano 61 km · Parnarama 68 km · Matões 90 km · São João dos Patos 99 km · Demerval Lobão 100 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 Amarante (-6.2432°, -42.8454°, elevation 102 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).