Jacupiranga weather in September

In September, Jacupiranga sees average daytime highs of 24°C and overnight lows near 16°C, with 115 mm of rain across 13.8 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Jacupiranga's 7th-clearest and 3rd-windiest month. For the whole year in context, see Jacupiranga's year-round climate.

Daytime high
24°
8th warmest
Overnight low
16°
4th coldest
Rainfall
115 mm
13.8 wet days
Daylight
11 h 54 min
7:11 AM – 7:02 PM
Cloud cover
73%
7th clearest
Wind
7 km/h
3rd windiest
Solar energy
3.76 kWh/m²
Travel score
6.1
out of 10

Jacupiranga 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 24°C through the month.

A typical September day in Jacupiranga reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202417
212417
222417
232417
242417
252417
262417
272417
282417
292417
302417

How September really feels in Jacupiranga

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jacupiranga weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°30824.713.43.4
Feb29° / 22°27421.912.93.5
Mar28° / 21°21622.912.24.1
Apr27° / 20°10915.311.45.6
May24° / 17°10013.410.86.3
Jun23° / 15°809.210.56.8
Jul22° / 14°789.110.66.8
Aug23° / 15°598.811.17.0
Sep24° / 16°11513.811.86.1
Oct25° / 18°12416.712.65.4
Nov27° / 19°14018.113.25.0
Dec29° / 21°20720.413.54.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24357
34258
44159
53961
63763
73664
83466
93367
103169
113169
123070
132872
142872
152773
162674
172674
182575
192575
202377
212377
222377
232179
242179
252179
262080
272080
281981
291882
301882

Chance of precipitation in September

Any precipitation

Jacupiranga gets around 115 mm of rain over 13.8 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 45% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
133
234
335
436
536
637
738
839
940
1040
1141
1242
1342
1443
1544
1645
1746
1847
1948
2049
2150
2251
2352
2453
2554
2654
2755
2856
2956
3057

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
192451160
292449170
392449181
482449191
582448191
672448201
772448201
872448201
962449211
1062349211
1162349211
1252251211
1352250221
1452151221
1552051231
1652051231
1752051231
1851951241
1951951241
2061950241
2161850252
2261849252
2361849262
2461848272
2551748272
2651747282
2751747292
2851746302
2951746302
3041745313

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 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 42 minutes over September. Sunrise moves from 7:27 AM to 6:55 AM, and sunset from 6:57 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:276:57
211.57:266:57
311.57:256:57
411.67:246:58
511.67:236:58
611.67:226:58
711.67:216:59
811.77:196:59
911.77:187:00
1011.77:177:00
1111.77:167:00
1211.87:157:01
1311.87:147:01
1411.87:137:01
1511.87:127:02
1611.97:117:02
1711.97:097:02
1811.97:087:03
1911.97:077:03
2012.07:067:04
2112.07:057:04
2212.07:047:04
2312.07:037:05
2412.17:027:05
2512.17:017:05
2612.17:007:06
2712.16:587:06
2812.26:577:07
2912.26:567:07
3012.26:557:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.76 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 5.34 kWh/m² in December across the year — September's 3.76 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Hazard calendar for Jacupiranga

In seasonPeak

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

Jacupiranga'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 Jacupiranga?

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

6.1
Sightseeing
5th-best month of the year
5.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Jacupiranga for sightseeing.

What to pack for Jacupiranga in September

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

In September, Jacupiranga sees daytime highs around 24°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Jacupiranga in September

The nearest coast averages about 20°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 43 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 6 to Jul 12 — about 10.2 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May23Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep20Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Jacupiranga in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jacupiranga peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug7High
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Jacupiranga?

Jacupiranga sits at 24.7°S, 48.0°W, 35 m above sea level, in Brazil. The nearest listed city is Pariquera-Açu, 12 km away.

Topography around Jacupiranga

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

Within 3 km, the terrain around Jacupiranga has only modest variations in elevation — a maximum elevation change of 200 m around an average of 49 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 967 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,575 m.

The land around Jacupiranga is covered by trees (78%) within 3 km, trees (87%) within 16 km, and trees (74%) and water (20%) within 80 km.

3 km
200 m
16 km
967 m
80 km
1,575 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Pariquera-Açu 12 km · Cajati 13 km · Registro 28 km · Iguape 45 km · Juquiá 56 km · Miracatu 71 km · Guapiara 78 km · Capão Bonito 84 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 Jacupiranga (-24.6925°, -48.0022°, elevation 35 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).