Capistrano weather in September

In September, Capistrano sees average daytime highs of 33°C and overnight lows near 22°C, with 2 mm of rain across 0.3 wet days and about 12 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 73% 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 Capistrano's 1st-clearest and 1st-windiest month. For the whole year in context, see Capistrano's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
22°
5th coldest
Rainfall
2 mm
0.3 wet days
Daylight
12 hours
5:31 AM – 5:29 PM
Cloud cover
28%
1st clearest
Wind
15 km/h
1st windiest
Solar energy
6.65 kWh/m²
Travel score
4.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical September day in Capistrano reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113322
123322
133322
143322
153322
163322
173422
183422
193422
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423

How September really feels in Capistrano

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.

Capistrano weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°9415.312.23.5
Feb31° / 23°10117.612.13.4
Mar31° / 23°15122.8123.3
Apr30° / 23°15922.911.93.4
May30° / 22°7515.611.84.3
Jun30° / 22°389.811.75.0
Jul31° / 22°245.311.85.2
Aug32° / 22°71.511.94.8
Sep33° / 22°20.3124.3
Oct34° / 23°40.912.13.9
Nov34° / 23°61.612.23.9
Dec33° / 24°235.712.33.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58911
68812
78812
88812
98812
108812
118812
128812
138812
148911
158911
169010
179010
18928
19928
20937
21937
22937
23937
24937
25937
26937
27937
28937
29937
30919

Chance of precipitation in September

Any precipitation

Capistrano gets around 2 mm of rain over 0.3 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
61
71
81
92
102
112
122
132
142
152
162
172
181
191
201
211
221
231
241
251
261
271
281
291
301

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 58% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1148501
2148510
3149500
4149500
5150490
6150490
7150490
8149490
9149490
10148510
11147520
12146530
13145531
14144541
15143551
16141571
17140581
18138601
19137611
20136621
21035641
22034651
23033661
24033661
25032671
26031681
27030691
28030691
29029692
30028702

Wind in September

Winds average 15 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 5:38 AM to 5:24 AM, and sunset from 5:33 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:385:33
211.95:375:33
311.95:375:32
411.95:375:32
511.95:365:32
611.95:365:32
711.95:355:31
811.95:355:31
911.95:345:31
1012.05:345:31
1112.05:335:30
1212.05:335:30
1312.05:325:30
1412.05:325:30
1512.05:315:29
1612.05:315:29
1712.05:305:29
1812.05:305:29
1912.05:295:28
2012.05:295:28
2112.05:285:28
2212.05:285:28
2312.05:275:28
2412.05:275:27
2512.05:265:27
2612.05:265:27
2712.05:255:27
2812.05:255:26
2912.05:245:26
3012.05:245:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.65 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 6.75 kWh/m² in October across the year — September's 6.65 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Capistrano

In seasonPeak

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

Capistrano's rainy season runs January–May, 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 Capistrano?

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

4.3
Sightseeing
4th-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Capistrano in September

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

In September, Capistrano sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Capistrano 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 Capistrano peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 15Jun 22UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Capistrano?

Capistrano sits at 4.5°S, 38.9°W, 150 m above sea level, in Brazil. The nearest listed city is Itapiúna, 11 km away.

Topography around Capistrano

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

Within 3 km, the terrain around Capistrano has significant variations in elevation — a maximum elevation change of 299 m around an average of 178 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 810 m; within 80 km, large variations in elevation — a maximum elevation change of 1,076 m.

The land around Capistrano is covered by grassland (61%) and trees (23%) within 3 km, grassland (40%), trees (33%) and shrubs (25%) within 16 km, and shrubs (58%) and grassland (24%) within 80 km.

3 km
299 m
16 km
810 m
80 km
1,076 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Itapiúna 11 km · Aracoiaba 15 km · Baturité 16 km · Redenção 33 km · Ocara 34 km · Barreira 35 km · Caridade 42 km · Canindé 47 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 Capistrano (-4.47°, -38.9014°, elevation 150 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).