Poços de Caldas weather in September

In September, Poços de Caldas sees average daytime highs of 25°C and overnight lows near 14°C, with 92 mm of rain across 9.5 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Poços de Caldas's 4th-clearest and 1st-windiest month. For the whole year in context, see Poços de Caldas's year-round climate.

Daytime high
25°
7th warmest
Overnight low
14°
5th coldest
Rainfall
92 mm
9.5 wet days
Daylight
11 h 54 min
7:04 AM – 6:57 PM
Cloud cover
49%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
5.47 kWh/m²
Travel score
7.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Poços de Caldas reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12513
22513
32513
42513
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515

Poços de Caldas weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°33825.113.24.3
Feb26° / 18°24820.712.74.6
Mar26° / 17°21621.412.25.0
Apr25° / 15°8811.211.56.8
May22° / 13°627.1117.2
Jun21° / 12°314.210.77.7
Jul22° / 11°263.310.88.0
Aug24° / 12°294.211.38.3
Sep25° / 14°929.511.97.1
Oct26° / 16°14916.212.55.7
Nov25° / 17°23720.9134.9
Dec25° / 18°30825.213.34.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57129
67129
77030
86931
96832
106733
116634
126535
136436
146337
156238
166139
176139
186040
195842
205743
215644
225545
235545
245446
255248
265149
275149
284951
294951
304852

Chance of precipitation in September

Any precipitation

Poços de Caldas gets around 92 mm of rain over 9.5 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 31% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
120
221
321
422
523
623
724
825
926
1026
1127
1228
1329
1429
1530
1631
1732
1833
1934
2035
2136
2237
2338
2439
2539
2640
2741
2841
2941
3042

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
174233
274233
373243
471254
570264
668275
767285
865296
964306
1062317
1160328
1258339
1357349
14553510
15533611
16523612
17513613
18503714
19483715
20473716
21453618
22443620
23433621
24413623
25403624
26383526
27373528
28363529
29353531
30343432

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

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 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 7:19 AM to 6:50 AM, and sunset from 6:53 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:196:53
211.67:186:53
311.67:176:53
411.67:166:54
511.67:156:54
611.77:146:54
711.77:136:54
811.77:126:55
911.77:116:55
1011.77:106:55
1111.87:096:56
1211.87:086:56
1311.87:076:56
1411.87:066:56
1511.97:056:57
1611.97:046:57
1711.97:036:57
1811.97:026:57
1911.97:016:58
2012.07:006:58
2112.06:596:58
2212.06:586:59
2312.06:576:59
2412.06:566:59
2512.16:556:59
2612.16:547:00
2712.16:537:00
2812.16:527:00
2912.26:517:01
3012.26:507:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.47 kWh/m².

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 5.78 kWh/m² in October across the year — September's 5.47 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
Planning a trip in September

Hazard calendar for Poços de Caldas

In seasonPeak

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

Poços de Caldas's monsoon runs November–March, 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 Poços de Caldas?

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

7.1
Sightseeing
5th-best month of the year
6.4
Beach & pool
2nd-best month of the year

September is one of the better times to visit Poços de Caldas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Poços de Caldas in September

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

In September, Poços de Caldas sees daytime highs around 25°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Poços de Caldas in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Poços de Caldas peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jun 23UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep9Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Poços de Caldas 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 Poços de Caldas is worst in September — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1522 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr11Good
May11Good
Jun11Good
Jul11Good
Aug15Moderate
Sep24Moderate
Oct13Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Poços de Caldas?

Poços de Caldas sits at 21.8°S, 46.6°W, 1,222 m above sea level, in Brazil. The nearest listed city is Caconde, 30 km away.

Topography around Poços de Caldas

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

Within 3 km, the terrain around Poços de Caldas has significant variations in elevation — a maximum elevation change of 454 m around an average of 1,331 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 784 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,254 m.

The land around Poços de Caldas is covered by trees (42%) and artificial surfaces (41%) within 3 km, trees (50%) and grassland (37%) within 16 km, and trees (38%), grassland (38%) and cropland (22%) within 80 km.

3 km
454 m
16 km
784 m
80 km
1,254 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Caconde 30 km · Andradas 31 km · São João da Boa Vista 32 km · Campestre 34 km · Vargem Grande do Sul 35 km · São José do Rio Pardo 40 km · Muzambinho 46 km · Espírito Santo do Pinhal 49 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 Poços de Caldas (-21.7878°, -46.5614°, elevation 1,222 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).