Alto Alegre do Pindaré weather in September

In September, Alto Alegre do Pindaré sees average daytime highs of 35°C and overnight lows near 24°C, with 13 mm of rain across 2.2 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 35°C through the month. The sky is clear or mostly clear about 54% 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 Alto Alegre do Pindaré's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Alto Alegre do Pindaré's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
24°
9th coldest
Rainfall
13 mm
2.2 wet days
Daylight
12 hours
5:58 AM – 5:57 PM
Cloud cover
41%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
5.95 kWh/m²
Travel score
3.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Alto Alegre do Pindaré reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°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)
13423
23423
33423
43423
53423
63423
73523
83523
93523
103523
113523
123523
133523
143524
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524

How September really feels in Alto Alegre do Pindaré

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
14 feel dangerously hot (≥ 39°C)
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.

Alto Alegre do Pindaré 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
Jan32° / 23°24725.612.22.6
Feb31° / 23°27225.612.12.5
Mar31° / 23°33929.9122.4
Apr31° / 23°3132811.92.5
May31° / 23°16721.811.83.2
Jun31° / 23°5511.511.84.2
Jul32° / 22°316.311.84.4
Aug34° / 23°112.511.93.9
Sep35° / 24°132.2123.3
Oct35° / 24°194.112.13.0
Nov34° / 24°52812.22.9
Dec33° / 24°12115.412.22.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 32% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58713
68713
78713
88713
98713
108713
118713
128713
138713
148713
158614
168614
178614
188614
198614
208614
218515
228515
238515
248515
258515
268515
278416
288317
298317
308218

Chance of precipitation in September

Any precipitation

Alto Alegre do Pindaré gets around 13 mm of rain over 2.2 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 8% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
47
57
67
77
87
97
107
117
127
138
148
158
168
178
188
198
208
218
228
238
248
258
268
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 78% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
121880
211980
311980
412079
512178
612277
712376
812376
912475
1012475
1112475
1212475
1312475
1412376
1512376
1612277
1712178
1812079
1912079
2011980
2111980
2211881
2311881
2411881
2511782
2611782
2701783
2801882
2901882
3001882

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 6:05 AM to 5:52 AM, and sunset from 6:01 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:056:01
211.96:056:01
311.96:046:01
411.96:046:00
511.96:036:00
611.96:036:00
711.96:036:00
812.06:025:59
912.06:025:59
1012.06:015:59
1112.06:015:58
1212.06:005:58
1312.06:005:58
1412.05:595:58
1512.05:595:57
1612.05:585:57
1712.05:585:57
1812.05:575:57
1912.05:575:56
2012.05:565:56
2112.05:565:56
2212.05:555:56
2312.05:555:55
2412.05:555:55
2512.05:545:55
2612.05:545:55
2712.05:535:54
2812.05:535:54
2912.05:525:54
3012.05:525:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.95 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 6.04 kWh/m² in October across the year — September's 5.95 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Alto Alegre do Pindaré

In seasonPeak

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

Alto Alegre do Pindaré'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 Alto Alegre do Pindaré?

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

3.3
Sightseeing
4th-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Alto Alegre do Pindaré in September

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

In September, Alto Alegre do Pindaré sees daytime highs around 35°C and nights near 24°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Alto Alegre do Pindaré 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 Alto Alegre do Pindaré peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Alto Alegre do Pindaré 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 Alto Alegre do Pindaré is worst in November — around 25 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1724 µg/m³Jul 167 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar15Moderate
Apr13Moderate
May10Good
Jun8Good
Jul7Good
Aug8Good
Sep10Good
Oct16Moderate
Nov25Moderate
Dec19Moderate
Location & terrain

Where is Alto Alegre do Pindaré?

Alto Alegre do Pindaré sits at 3.7°S, 45.8°W, 41 m above sea level, in Brazil. The nearest listed city is Bom Jardim, 30 km away.

Topography around Alto Alegre do Pindaré

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alto Alegre do Pindaré.

Within 3 km, the terrain around Alto Alegre do Pindaré has only modest variations in elevation — a maximum elevation change of 73 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 111 m; within 80 km, significant variations in elevation — a maximum elevation change of 324 m.

The land around Alto Alegre do Pindaré is covered by grassland (57%) and trees (35%) within 3 km, grassland (64%) and trees (35%) within 16 km, and trees (52%) and grassland (47%) within 80 km.

3 km
73 m
16 km
111 m
80 km
324 m
treesgrasslandartificial surfaceswaterwetland
September weather nearby: Bom Jardim 30 km · Santa Luzia 39 km · Zé Doca 49 km · Santa Inês 52 km · Pindaré-Mirim 56 km · Monção 69 km · Pio XII 79 km · Penalva 86 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 Alto Alegre do Pindaré (-3.6707°, -45.8475°, elevation 41 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).