Afonso Cláudio weather in September

In September, Afonso Cláudio sees average daytime highs of 26°C and overnight lows near 16°C, with 34 mm of rain across 7.3 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 29% of the time in September, and the air most often feels comfortable.

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 Afonso Cláudio's 5th-clearest and 1st-windiest month. For the whole year in context, see Afonso Cláudio's year-round climate.

Daytime high
26°
8th warmest
Overnight low
16°
4th coldest
Rainfall
34 mm
7.3 wet days
Daylight
11 h 54 min
6:42 AM – 6:35 PM
Cloud cover
59%
5th clearest
Wind
8 km/h
1st windiest
Solar energy
4.77 kWh/m²
Travel score
7.1
out of 10

Afonso Cláudio 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 26°C through the month.

A typical September day in Afonso Cláudio reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122516
132516
142516
152516
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616

Afonso Cláudio weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 19°14413.913.15.4
Feb29° / 19°7611.112.75.3
Mar28° / 19°11514.112.15.3
Apr27° / 18°621111.66.3
May25° / 16°28611.17.5
Jun24° / 15°112.810.88.3
Jul24° / 14°102.710.98.3
Aug25° / 14°154.411.38.0
Sep26° / 16°347.311.97.1
Oct26° / 17°8811.612.56.2
Nov26° / 18°17916.8135.2
Dec27° / 19°21218.413.25.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25743
35743
45743
55743
65743
75644
85644
95545
105446
115248
125149
135050
144852
154852
164753
174555
184357
194258
204159
213961
223961
233763
243664
253664
263664
273565
283466
293367
303466

Chance of precipitation in September

Any precipitation

Afonso Cláudio gets around 34 mm of rain over 7.3 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 24% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
115
215
314
414
514
615
715
816
917
1018
1119
1220
1321
1422
1523
1624
1726
1827
1928
2030
2131
2231
2332
2433
2533
2633
2734
2834
2934
3034

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 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11553320
21552330
31552330
41552330
51550341
61550341
71450351
81449361
91449371
101348381
111247391
121246402
131146412
141045423
151045433
16944434
17843444
18843445
19842455
20842456
21741466
22740466
23739477
24738477
25737478
26736489
27735489
287344910
297335010
307325011

Wind in September

Winds average 8 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:56 AM to 6:29 AM, and sunset from 6:32 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:566:32
211.66:556:32
311.66:546:33
411.76:546:33
511.76:536:33
611.76:526:33
711.76:516:33
811.76:506:34
911.86:496:34
1011.86:486:34
1111.86:476:34
1211.86:466:35
1311.86:456:35
1411.86:446:35
1511.96:436:35
1611.96:426:35
1711.96:416:36
1811.96:406:36
1911.96:396:36
2012.06:386:36
2112.06:376:37
2212.06:366:37
2312.06:366:37
2412.06:356:37
2512.16:346:37
2612.16:336:38
2712.16:326:38
2812.16:316:38
2912.16:306:38
3012.26:296:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.77 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 6.06 kWh/m² in February across the year — September's 4.77 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Afonso Cláudio

In seasonPeak

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

Afonso Cláudio's monsoon runs November–January, 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 Afonso Cláudio?

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
6.6
Beach & pool
5th-best month of the year

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

What to pack for Afonso Cláudio in September

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

In September, Afonso Cláudio sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Afonso Cláudio in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Afonso Cláudio peaks around February 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 highExtremeFeb 13UV 15Jun 21UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr10Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Afonso Cláudio?

Afonso Cláudio sits at 20.1°S, 41.1°W, 368 m above sea level, in Brazil. The nearest listed city is Santa Maria de Jetibá, 40 km away.

Topography around Afonso Cláudio

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

Within 3 km, the terrain around Afonso Cláudio has significant variations in elevation — a maximum elevation change of 445 m around an average of 445 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,077 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,682 m.

The land around Afonso Cláudio is covered by trees (48%) and grassland (47%) within 3 km, trees (52%) and grassland (48%) within 16 km, and trees (58%) and grassland (41%) within 80 km.

3 km
445 m
16 km
1,077 m
80 km
2,682 m
treesgrasslandartificial surfaces
September weather nearby: Santa Maria de Jetibá 40 km · Ibatiba 44 km · Mutum 45 km · Iúna 53 km · Lajinha 53 km · Muniz Freire 53 km · Santa Teresa 57 km · Domingos Martins 58 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 Afonso Cláudio (-20.0742°, -41.1239°, elevation 368 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).