São José weather in October

In October, São José sees average daytime highs of 23°C and overnight lows near 16°C, with 143 mm of rain across 15.5 wet days and about 12.7 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 11% of the time in October, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is São José's 12th-clearest and 2nd-windiest month. For the whole year in context, see São José's year-round climate.

Daytime high
23°
7th warmest
Overnight low
16°
6th coldest
Rainfall
143 mm
15.5 wet days
Daylight
12 h 42 min
6:39 AM – 7:20 PM
Cloud cover
80%
12th clearest
Wind
8 km/h
2nd windiest
Solar energy
4.3 kWh/m²
Travel score
5.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical October day in São José reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°C. Set against its neighbours, October runs about 2°C warmer than September and about 2°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82315
92315
102316
112316
122316
132316
142316
152316
162316
172316
182316
192316
202416
212416
222416
232416
242416
252416
262416
272416
282416
292417
302417
312417

São José weather by month

How October compares with the rest of the year at a glance. October 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
Jan28° / 20°23422.613.64.4
Feb28° / 20°21320.3134.4
Mar27° / 19°14919.612.25.0
Apr25° / 17°9512.211.46.4
May22° / 14°11310.810.76.6
Jun21° / 12°969.610.36.4
Jul20° / 11°899.510.46.4
Aug21° / 12°909.3116.6
Sep22° / 14°15013.511.85.8
Oct23° / 16°14315.512.75.6
Nov25° / 17°14716.613.45.5
Dec27° / 19°16718.913.75.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in October, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32179
42179
52080
61981
71981
81981
91981
101882
111882
121882
131981
141882
151882
161882
171882
181882
191882
201981
211981
221981
232080
242278
252278
262278
272278
282278
292377
302377
312377

Chance of precipitation in October

Any precipitation

São José gets around 143 mm of rain over 15.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
349
449
548
648
747
847
947
1047
1147
1248
1348
1449
1549
1650
1751
1852
1952
2053
2153
2254
2354
2454
2554
2653
2753
2853
2953
3053
3153

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
125303690
2243036100
3242936110
4232937120
5222837130
6212837140
7202738150
8192738160
9192637170
10182637190
11172637200
12172637200
13162636210
14152636220
15142636230
16142636230
17132636240
18132636250
19122636250
20122636260
21122636260
22122635260
23122635260
24122635260
25122635270
26132635270
27132534270
28132534271
29132534271
30132434281
31132434281

Wind in October

Winds average 8 km/h in October.

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

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 6:56 AM to 6:27 AM, and sunset from 7:11 PM to 7:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:567:11
212.36:557:12
312.36:537:12
412.36:527:13
512.46:517:13
612.46:507:14
712.46:497:14
812.56:487:15
912.56:477:16
1012.56:467:16
1112.56:457:17
1212.66:447:17
1312.66:427:18
1412.66:417:18
1512.66:407:19
1612.76:397:20
1712.76:387:20
1812.76:387:21
1912.76:377:21
2012.86:367:22
2112.86:357:23
2212.86:347:23
2312.96:337:24
2412.96:327:25
2512.96:317:25
2612.96:307:26
2713.06:307:27
2813.06:297:27
2913.06:287:28
3013.06:277:29
3113.06:277:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 5.61 kWh/m² in December across the year — October's 4.3 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
64.0Moderate
74.0Moderate
84.0Bright
94.1Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.3Bright
184.4Bright
194.4Bright
204.4Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.6Bright
264.6Bright
274.6Bright
284.7Bright
294.7Bright
304.7Bright
314.8Bright
Planning a trip in October

Is October a good time to visit São José?

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

5.6
Sightseeing
7th-best month of the year
4.5
Beach & pool
8th-best month of the year

October is a reasonable time to visit São José for sightseeing.

What to pack for São José in October

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

In October, São José sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near São José in October

The nearest coast averages about 21°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 km away) is warmest in February at about 26°C and coldest in August near 18°C.

It's comfortable for a long swim from Oct 8 to Jun 8 — about 8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar25Warm
Apr24Refreshing
May22Refreshing
Jun20Cool
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov22Refreshing
Dec24Warm

UV index in São José in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in São José peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is São José?

São José sits at 27.6°S, 48.6°W, 18 m above sea level, in Brazil. The nearest listed city is Campinas, 3.0 km away.

Topography around São José

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

Within 3 km, the terrain around São José has only modest variations in elevation — a maximum elevation change of 170 m around an average of 14 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 993 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,813 m.

The land around São José is covered by water (40%) and artificial surfaces (37%) within 3 km, trees (39%) and water (32%) within 16 km, and trees (51%) and water (37%) within 80 km.

3 km
170 m
16 km
993 m
80 km
1,813 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Campinas 3.0 km · Palhoça 5.0 km · Florianopolis 8.0 km · Trindade 11 km · Pantanal 11 km · Freguesia do Ribeirao da Ilha 13 km · Ribeirão da Ilha 13 km · Biguaçu 14 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 São José (-27.6153°, -48.6275°, elevation 18 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).