Jacutinga weather in September

In September, Jacutinga sees average daytime highs of 27°C and overnight lows near 15°C, with 74 mm of rain across 8.4 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 27°C through the month. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels dry.

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 Jacutinga's 4th-clearest and 1st-windiest month. For the whole year in context, see Jacutinga's year-round climate.

Daytime high
27°
7th warmest
Overnight low
15°
5th coldest
Rainfall
74 mm
8.4 wet days
Daylight
11 h 54 min
7:05 AM – 6:57 PM
Cloud cover
45%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
5.42 kWh/m²
Travel score
7.0
out of 10

Jacutinga 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 27°C through the month.

A typical September day in Jacutinga reaches about 27°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12614
22614
32615
42615
52615
62715
72715
82715
92715
102715
112715
122715
132715
142716
152716
162716
172716
182716
192716
202716
212716
222716
232616
242616
252616
262616
272616
282616
292716
302716

Jacutinga 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
Jan27° / 19°2602413.24.3
Feb27° / 19°19919.912.84.6
Mar27° / 18°16519.212.25.2
Apr26° / 16°689.511.56.9
May23° / 14°516.110.97.7
Jun23° / 13°32410.78.1
Jul23° / 12°273.310.88.4
Aug25° / 13°263.711.28.4
Sep27° / 15°748.411.97.0
Oct27° / 17°11214.112.55.9
Nov27° / 18°16618.113.15.2
Dec27° / 19°22522.613.34.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37525
47525
57426
67426
77327
87228
97228
107129
117030
127030
136832
146733
156634
166634
176535
186436
196337
206139
216139
226040
235941
245842
255743
265545
275545
285446
295446
305347

Chance of precipitation in September

Any precipitation

Jacutinga gets around 74 mm of rain over 8.4 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 28% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
119
220
320
421
521
622
722
823
923
1024
1125
1225
1326
1426
1527
1627
1728
1829
1930
2031
2132
2233
2334
2434
2535
2636
2737
2837
2938
3038

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1722440
2712540
3702550
4692650
5672760
6662860
7652870
8632980
9613090
10603190
115931100
125732110
135533120
145533120
155334130
165234140
175035150
184935160
194835170
204735180
214634200
224434210
234334220
244234241
254133251
263933271
273833281
283732301
293632311
303432321

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 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 7:20 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)
111.57:206:53
211.67:196:53
311.67:186:53
411.67:176:54
511.67:166:54
611.77:156:54
711.77:146:54
811.77:136:55
911.77:126:55
1011.77:116:55
1111.87:106:56
1211.87:096:56
1311.87:086:56
1411.87:076:56
1511.97:066:57
1611.97:056:57
1711.97:046:57
1811.97:036:58
1911.97:016:58
2012.07:006:58
2112.06:596:58
2212.06:586:59
2312.06:576:59
2412.06:566:59
2512.16:557:00
2612.16:547:00
2712.16:537:00
2812.16:527:01
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 5.42 kWh/m².

For context, solar energy here swings from a low near 3.76 kWh/m² to a high of 5.74 kWh/m² in October across the year — September's 5.42 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Jacutinga

In seasonPeak

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

Jacutinga'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 Jacutinga?

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

7.0
Sightseeing
5th-best month of the year
6.9
Beach & pool
2nd-best month of the year

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

What to pack for Jacutinga in September

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

In September, Jacutinga sees daytime highs around 27°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Jacutinga 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 Jacutinga peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 24UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Jacutinga 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 Jacutinga is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1227 µg/m³Dec 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar18Moderate
Apr21Moderate
May24Moderate
Jun25Moderate
Jul26Moderate
Aug25Moderate
Sep27Moderate
Oct20Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Jacutinga?

Jacutinga sits at 22.3°S, 46.6°W, 842 m above sea level, in Brazil. The nearest listed city is Monte Sião, 17 km away.

Topography around Jacutinga

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

Within 3 km, the terrain around Jacutinga has significant variations in elevation — a maximum elevation change of 267 m around an average of 857 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 798 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,360 m.

The land around Jacutinga is covered by grassland (45%) and trees (28%) within 3 km, trees (48%) and grassland (45%) within 16 km, and grassland (40%), trees (35%) and cropland (22%) within 80 km.

3 km
267 m
16 km
798 m
80 km
1,360 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Monte Sião 17 km · Espírito Santo do Pinhal 17 km · Águas de Lindóia 21 km · Andradas 25 km · Ouro Fino 25 km · Itapira 27 km · Socorro 35 km · Mogi Guaçu 35 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 Jacutinga (-22.2856°, -46.6122°, elevation 842 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).