Miguel Alves weather in September

In September, Miguel Alves sees average daytime highs of 36°C and overnight lows near 24°C, with 4 mm of rain across 0.7 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 36°C through the month. The sky is clear or mostly clear about 76% of the time in September, and the air most often feels muggy.

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

Daytime high
36°
3rd warmest
Overnight low
24°
9th coldest
Rainfall
4 mm
0.7 wet days
Daylight
12 hours
5:47 AM – 5:45 PM
Cloud cover
32%
1st clearest
Wind
9 km/h
2nd windiest
Solar energy
6.55 kWh/m²
Travel score
2.7
out of 10

Miguel Alves 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 Miguel Alves reaches about 36°C in the afternoon and slips back to 24°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63624
73624
83624
93624
103624
113624
123624
133624
143624
153624
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273624
283624
293624
303724

How September really feels in Miguel Alves

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
10 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.

Miguel Alves 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
Jan33° / 24°21321.912.22.6
Feb32° / 23°28422.812.12.6
Mar31° / 23°32627.4122.5
Apr31° / 23°30825.511.92.7
May31° / 23°14116.311.83.6
Jun32° / 23°285.911.84.4
Jul33° / 23°142.511.84.3
Aug34° / 23°30.511.93.6
Sep36° / 24°40.7122.7
Oct37° / 25°91.512.12.1
Nov36° / 25°354.912.22.2
Dec35° / 25°7610.112.22.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7919
8919
9919
10919
11919
12919
13919
14919
15919
16919
179010
189010
199010
209010
219010
229010
239010
249010
259010
269010
279010
289010
299010
308911

Chance of precipitation in September

Any precipitation

Miguel Alves gets around 4 mm of rain over 0.7 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
92
102
112
122
132
142
152
162
172
182
192
203
213
223
233
243
253
263
273
283
293
303

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11136620
20136819
30136819
40146818
50146818
60146818
70146917
80146917
91146817
101146817
111136917
121136917
131127017
141117117
151117117
161107217
17197317
18187318
19187318
20177418
21077518
22067618
23067618
24067618
25057718
26057817
27057817
28057817
29057817
30057916

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 5:54 AM to 5:40 AM, and sunset from 5:49 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:545:49
211.95:535:49
311.95:535:48
411.95:525:48
511.95:525:48
611.95:515:48
711.95:515:47
811.95:505:47
912.05:505:47
1012.05:505:47
1112.05:495:47
1212.05:495:46
1312.05:485:46
1412.05:485:46
1512.05:475:45
1612.05:475:45
1712.05:465:45
1812.05:465:45
1912.05:455:44
2012.05:455:44
2112.05:445:44
2212.05:445:44
2312.05:435:43
2412.05:435:43
2512.05:425:43
2612.05:425:43
2712.05:415:43
2812.05:415:42
2912.05:405:42
3012.05:405:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.55 kWh/m².

For context, solar energy here swings from a low near 4.68 kWh/m² to a high of 6.68 kWh/m² in October across the year — September's 6.55 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.4Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Miguel Alves

In seasonPeak

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

Miguel Alves'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 Miguel Alves?

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

2.7
Sightseeing
5th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Miguel Alves in September

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

In September, Miguel Alves sees daytime highs around 36°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Miguel Alves 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 Miguel Alves peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 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 15UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Miguel Alves 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 Miguel Alves is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 922 µg/m³Jun 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar14Moderate
Apr13Moderate
May12Good
Jun10Good
Jul14Moderate
Aug20Moderate
Sep17Moderate
Oct22Moderate
Nov22Moderate
Dec18Moderate
Location & terrain

Where is Miguel Alves?

Miguel Alves sits at 4.2°S, 42.9°W, 46 m above sea level, in Brazil. The nearest listed city is Coelho Neto, 17 km away.

Topography around Miguel Alves

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

Within 3 km, the terrain around Miguel Alves has only modest variations in elevation — a maximum elevation change of 83 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, only modest variations in elevation — a maximum elevation change of 218 m.

The land around Miguel Alves is covered by trees (31%) and grassland (25%) within 3 km, trees (70%) within 16 km, and trees (71%) within 80 km.

3 km
83 m
16 km
109 m
80 km
218 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Coelho Neto 17 km · Buriti 25 km · União 47 km · Brejo 56 km · Mata Roma 65 km · Barras 67 km · Chapadinha 70 km · José de Freitas 75 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 Miguel Alves (-4.1656°, -42.8953°, elevation 46 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).