Palmas de Monte Alto weather in September

In September, Palmas de Monte Alto sees average daytime highs of 33°C and overnight lows near 20°C, with 6 mm of rain across 1.1 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 34°C by the end. The sky is clear or mostly clear about 67% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Palmas de Monte Alto's 2nd-clearest and 1st-windiest month. For the whole year in context, see Palmas de Monte Alto's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
20°
4th coldest
Rainfall
6 mm
1.1 wet days
Daylight
11 h 54 min
5:49 AM – 5:45 PM
Cloud cover
31%
2nd clearest
Wind
13 km/h
1st windiest
Solar energy
6.56 kWh/m²
Travel score
4.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 34°C by the end.

A typical September day in Palmas de Monte Alto reaches about 33°C in the afternoon and slips back to 20°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13219
23219
33219
43319
53319
63319
73319
83319
93320
103320
113320
123320
133320
143320
153320
163320
173320
183320
193420
203420
213421
223421
233421
243421
253421
263421
273421
283421
293421
303421

How September really feels in Palmas de Monte Alto

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.

Palmas de Monte Alto weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°9810.112.74.1
Feb32° / 22°648.412.54.0
Mar32° / 22°889.712.14.0
Apr32° / 22°324.911.74.6
May31° / 21°61.211.35.3
Jun30° / 19°20.411.26.3
Jul30° / 18°00.111.26.6
Aug31° / 19°00.111.55.8
Sep33° / 20°61.111.94.4
Oct34° / 22°475.412.33.5
Nov32° / 22°13412.112.73.7
Dec31° / 22°13312.212.84.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38416
48416
58416
68416
78317
88317
98317
108317
118317
128317
138218
148119
158119
168119
178119
188020
198020
208020
218020
227921
237921
247921
257822
267723
277723
287624
297624
307624

Chance of precipitation in September

Any precipitation

Palmas de Monte Alto gets around 6 mm of rain over 1.1 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 4% and peaks near 8% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
132
142
152
163
173
184
194
205
215
226
236
246
257
267
277
288
298
308

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1425170
2425170
3425170
4415180
5415180
6415180
7415180
8405280
9405280
10395290
11395290
12385291
133752101
143653101
153553111
163453112
173254122
183153133
192954143
202853154
212654164
222554174
232453185
242353195
252253205
262151226
272051236
281951246
291950247
301850257

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light 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 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:01 AM to 5:39 AM, and sunset from 5:44 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:015:44
211.76:005:44
311.75:595:44
411.85:595:44
511.85:585:44
611.85:575:44
711.85:565:44
811.85:565:44
911.85:555:44
1011.85:545:44
1111.95:535:44
1211.95:525:44
1311.95:525:45
1411.95:515:45
1511.95:505:45
1611.95:495:45
1711.95:495:45
1811.95:485:45
1912.05:475:45
2012.05:465:45
2112.05:455:45
2212.05:455:45
2312.05:445:45
2412.05:435:45
2512.05:425:45
2612.15:425:45
2712.15:415:45
2812.15:405:45
2912.15:395:45
3012.15:395:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.56 kWh/m².

For context, solar energy here swings from a low near 4.67 kWh/m² to a high of 6.66 kWh/m² in October across the year — September's 6.56 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.4Intense
66.4Intense
76.4Intense
86.4Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.7Intense
Planning a trip in September

Hazard calendar for Palmas de Monte Alto

In seasonPeak

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

Palmas de Monte Alto's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Palmas de Monte Alto?

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

4.4
Sightseeing
6th-best month of the year
7.8
Beach & pool
5th-best month of the year

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

What to pack for Palmas de Monte Alto in September

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

In September, Palmas de Monte Alto sees daytime highs around 33°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Palmas de Monte Alto 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 Palmas de Monte Alto peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 10UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Palmas de Monte Alto?

Palmas de Monte Alto sits at 14.3°S, 43.2°W, 565 m above sea level, in Brazil. The nearest listed city is Guanambi, 41 km away.

Topography around Palmas de Monte Alto

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Palmas de Monte Alto.

Within 3 km, the terrain around Palmas de Monte Alto has significant variations in elevation — a maximum elevation change of 445 m around an average of 599 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 684 m; within 80 km, large variations in elevation — a maximum elevation change of 891 m.

The land around Palmas de Monte Alto is covered by shrubs (38%), trees (22%) and grassland (20%) within 3 km, shrubs (42%) and cropland (26%) within 16 km, and shrubs (45%) and cropland (23%) within 80 km.

3 km
445 m
16 km
684 m
80 km
891 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Guanambi 41 km · Carinhanha 65 km · Malhada 66 km · Igaporã 73 km · Riacho de Santana 77 km · Caetité 77 km · Urandi 78 km · Espinosa 82 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 Palmas de Monte Alto (-14.2672°, -43.1619°, elevation 565 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).