Salesópolis weather in September

In September, Salesópolis sees average daytime highs of 24°C and overnight lows near 15°C, with 92 mm of rain across 11.6 wet days and about 11.9 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 31% of the time in September, and the air most often feels comfortable.

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 Salesópolis's 6th-clearest and 1st-windiest month. For the whole year in context, see Salesópolis's year-round climate.

Daytime high
24°
8th warmest
Overnight low
15°
5th coldest
Rainfall
92 mm
11.6 wet days
Daylight
11 h 54 min
7:02 AM – 6:54 PM
Cloud cover
63%
6th clearest
Wind
8 km/h
1st windiest
Solar energy
4.49 kWh/m²
Travel score
6.7
out of 10

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 Salesópolis reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°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)
12414
22414
32414
42415
52415
62415
72415
82415
92415
102415
112415
122415
132415
142415
152415
162415
172415
182415
192415
202415
212415
222415
232415
242416
252416
262416
272416
282416
292416
302416

Salesópolis 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
Jan27° / 20°28025.913.34.0
Feb28° / 20°20922.412.84.2
Mar27° / 19°1902312.24.6
Apr25° / 18°8613.511.56.2
May23° / 15°7410.510.96.7
Jun22° / 14°496.910.67.3
Jul22° / 13°596.710.77.4
Aug23° / 13°456.511.27.5
Sep24° / 15°9211.611.96.7
Oct25° / 17°11815.412.65.8
Nov25° / 18°16019.113.15.1
Dec27° / 19°20622.613.44.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25446
35347
45248
55149
65050
74951
84852
94753
104654
114555
124456
134456
144357
154258
164159
174159
184060
193961
203862
213664
223565
233466
243367
253367
263070
273070
282971
292971
302872

Chance of precipitation in September

Any precipitation

Salesópolis gets around 92 mm of rain over 11.6 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 37% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
127
228
328
429
530
630
731
832
932
1033
1133
1234
1334
1435
1536
1637
1738
1839
1940
2041
2142
2243
2344
2445
2546
2646
2747
2847
2947
3047

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11953271
21952281
31852291
41752301
51652311
61651321
71550332
81450342
91349352
101349372
111248383
121147393
131047403
141046413
15945424
16944424
17943434
18942445
191041445
201040456
211039456
221038467
231037467
241036468
251035479
261034479
279334710
289334811
299324811
309314812

Wind in September

Winds average 8 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
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

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 7:17 AM to 6:47 AM, and sunset from 6:49 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:176:49
211.57:166:49
311.67:156:49
411.67:146:50
511.67:136:50
611.67:126:50
711.77:116:51
811.77:106:51
911.77:096:51
1011.77:086:52
1111.77:076:52
1211.87:066:52
1311.87:056:53
1411.87:046:53
1511.87:036:53
1611.97:026:54
1711.97:016:54
1811.97:006:54
1911.96:596:55
2012.06:576:55
2112.06:566:55
2212.06:556:56
2312.06:546:56
2412.16:536:56
2512.16:526:57
2612.16:516:57
2712.16:506:57
2812.16:496:58
2912.26:486:58
3012.26:476:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.49 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 5.55 kWh/m² in December across the year — September's 4.49 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.6Bright
Planning a trip in September

Hazard calendar for Salesópolis

In seasonPeak

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

Salesópolis'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 Salesópolis?

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

6.7
Sightseeing
4th-best month of the year
5.7
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Salesópolis for sightseeing.

What to pack for Salesópolis in September

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

In September, Salesópolis sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Salesópolis in September

The nearest coast averages about 21°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 39 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Salesópolis 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 Salesópolis peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 highExtremeFeb 9UV 15Jul 12UV 5
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Salesópolis 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 Salesópolis is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2132 µg/m³Nov 2316 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr21Moderate
May27Moderate
Jun32Moderate
Jul31Moderate
Aug28Moderate
Sep28Moderate
Oct20Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Salesópolis?

Salesópolis sits at 23.5°S, 45.8°W, 787 m above sea level, in Brazil. The nearest listed city is Biritiba Mirim, 20 km away.

Topography around Salesópolis

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

Within 3 km, the terrain around Salesópolis has significant variations in elevation — a maximum elevation change of 278 m around an average of 855 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 672 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Salesópolis is covered by trees (62%) and grassland (32%) within 3 km, trees (71%) and grassland (25%) within 16 km, and trees (46%) and water (28%) within 80 km.

3 km
278 m
16 km
672 m
80 km
2,045 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Biritiba Mirim 20 km · Guararema 23 km · Paraibuna 25 km · Jacareí 28 km · Mogi das Cruzes 35 km · São José dos Campos 39 km · Santa Isabel 45 km · Caraguatatuba 46 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 Salesópolis (-23.5291°, -45.849°, elevation 787 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. 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).