Jaguariúna weather in September

In September, Jaguariúna sees average daytime highs of 28°C and overnight lows near 16°C, with 82 mm of rain across 8.2 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 28°C through the month. The sky is clear or mostly clear about 49% 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 Jaguariúna's 4th-clearest and 1st-windiest month. For the whole year in context, see Jaguariúna's year-round climate.

Daytime high
28°
7th warmest
Overnight low
16°
5th coldest
Rainfall
82 mm
8.2 wet days
Daylight
11 h 54 min
7:06 AM – 6:58 PM
Cloud cover
46%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.41 kWh/m²
Travel score
6.7
out of 10

Jaguariúna 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 28°C through the month.

A typical September day in Jaguariúna reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 33°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)
12815
22815
32815
42816
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817

Jaguariúna 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
Jan29° / 20°26522.313.23.9
Feb29° / 20°17918.412.84.1
Mar29° / 19°13717.112.24.7
Apr28° / 18°688.311.56.6
May25° / 15°646.610.97.6
Jun24° / 14°454.810.68.1
Jul25° / 13°414.210.78.2
Aug26° / 14°33411.28.0
Sep28° / 16°828.211.96.7
Oct29° / 18°12513.212.55.3
Nov29° / 19°1661613.14.9
Dec29° / 20°20919.613.44.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27525
37426
47426
57327
67228
77129
87030
96931
106832
116733
126733
136634
146535
156436
166436
176337
186238
196139
206040
215941
225743
235644
245545
255545
265347
275248
285149
295050
305050

Chance of precipitation in September

Any precipitation

Jaguariúna gets around 82 mm of rain over 8.2 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 27% 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
219
320
420
521
621
721
822
922
1022
1123
1223
1324
1424
1525
1625
1726
1827
1928
2029
2131
2232
2333
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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15929120
25929120
35829130
45530141
55530141
65331151
75231161
85032171
94933181
104734181
114534191
124335201
134236211
144037221
153837222
163738232
173638242
183438252
193338263
203238273
213138284
223037284
232937295
242836306
252735317
262635327
272534328
282433339
2924333410
3023323511

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 7:21 AM to 6:52 AM, and sunset from 6:54 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:216:54
211.67:206:54
311.67:196:54
411.67:196:55
511.67:176:55
611.67:166:55
711.77:156:56
811.77:146:56
911.77:136:56
1011.77:126:57
1111.87:116:57
1211.87:106:57
1311.87:096:57
1411.87:086:58
1511.87:076:58
1611.97:066:58
1711.97:056:59
1811.97:046:59
1911.97:036:59
2012.07:027:00
2112.07:017:00
2212.07:007:00
2312.06:597:01
2412.16:587:01
2512.16:577:01
2612.16:567:01
2712.16:557:02
2812.16:547:02
2912.26:537:02
3012.26:527:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.41 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6 kWh/m² in November across the year — September's 5.41 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
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 Jaguariúna

In seasonPeak

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

Jaguariúna's rainy season runs October–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 Jaguariúna?

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

6.7
Sightseeing
5th-best month of the year
7.3
Beach & pool
2nd-best month of the year

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

What to pack for Jaguariúna in September

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

In September, Jaguariúna sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Jaguariúna 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 Jaguariúna peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Jaguariúna 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 Jaguariúna is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Jaguariúna?

Jaguariúna sits at 22.7°S, 47.0°W, 593 m above sea level, in Brazil. The nearest listed city is Terra Preta, 10 km away.

Topography around Jaguariúna

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

Within 3 km, the terrain around Jaguariúna has only modest variations in elevation — a maximum elevation change of 175 m around an average of 616 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 409 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,223 m.

The land around Jaguariúna is covered by trees (33%), artificial surfaces (28%) and grassland (27%) within 3 km, trees (34%), grassland (29%) and cropland (28%) within 16 km, and trees (36%), grassland (28%) and cropland (28%) within 80 km.

3 km
175 m
16 km
409 m
80 km
1,223 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Terra Preta 10 km · Holambra 11 km · Santo Antônio de Posse 13 km · Paulínia 18 km · Souzas 19 km · Cosmópolis 23 km · Amparo 23 km · Campinas 24 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 Jaguariúna (-22.7056°, -46.9858°, elevation 593 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).