São José da Coroa Grande weather in September

In September, São José da Coroa Grande sees average daytime highs of 27°C and overnight lows near 23°C, with 55 mm of rain across 16.9 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 9th-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 46% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is São José da Coroa Grande's 1st-clearest and 4th-windiest month. For the whole year in context, see São José da Coroa Grande's year-round climate.

Daytime high
27°
10th warmest
Overnight low
23°
3rd coldest
Rainfall
55 mm
16.9 wet days
Daylight
12 hours
5:16 AM – 5:13 PM
Cloud cover
43%
1st clearest
Wind
15 km/h
4th windiest
Solar energy
5.45 kWh/m²
Travel score
5.8
out of 10

São José da Coroa Grande is 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 São José da Coroa Grande reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 27°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12623
22623
32623
42623
52623
62623
72623
82623
92623
102623
112623
122623
132623
142623
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723

How September really feels in São José da Coroa Grande

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.

São José da Coroa Grande weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°5716.912.54.9
Feb29° / 25°6515.812.34.7
Mar29° / 25°8718.912.14.5
Apr29° / 25°11020.711.84.3
May28° / 24°14823.811.64.6
Jun27° / 23°15824.311.54.5
Jul26° / 23°13823.911.54.8
Aug26° / 22°8321.311.75.2
Sep27° / 23°5516.911.95.8
Oct27° / 24°3913.812.26.1
Nov28° / 24°3011.212.45.9
Dec29° / 25°3211.412.55.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 39% of September, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
38020
48119
58119
68119
78119
88119
98218
108218
118218
128317
138416
148416
158515
168515
178614
188614
198713
208812
218812
228911
238911
248911
259010
269010
279010
289010
298911
308911

Chance of precipitation in September

Any precipitation

São José da Coroa Grande gets around 55 mm of rain over 16.9 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 56% and peaks near 65% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
165
265
365
465
565
664
764
864
963
1063
1162
1261
1360
1459
1558
1657
1755
1854
1953
2052
2150
2249
2348
2447
2546
2645
2744
2844
2944
3044

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
137324
237225
337225
437126
537126
637126
737027
837027
937027
1037027
1137027
1237027
1337027
1437027
1537027
1637027
1727127
1827127
1927028
2027028
2126929
2226830
2326830
2426731
2526632
2626434
2726335
2826236
2926137
3026038

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2514light breeze
2614light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 5:25 AM to 5:08 AM, and sunset from 5:15 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:255:15
211.85:255:15
311.85:245:15
411.95:245:15
511.95:235:15
611.95:235:15
711.95:225:15
811.95:215:14
911.95:215:14
1011.95:205:14
1111.95:195:14
1211.95:195:14
1311.95:185:14
1411.95:185:14
1511.95:175:14
1612.05:165:13
1712.05:165:13
1812.05:155:13
1912.05:145:13
2012.05:145:13
2112.05:135:13
2212.05:135:13
2312.05:125:13
2412.05:115:13
2512.05:115:12
2612.05:105:12
2712.05:105:12
2812.15:095:12
2912.15:085:12
3012.15:085:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.06 kWh/m² to a high of 6.13 kWh/m² in November across the year — September's 5.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for São José da Coroa Grande

In seasonPeak

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

São José da Coroa Grande's rainy season runs March–August, 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 São José da Coroa Grande?

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

5.8
Sightseeing
3rd-best month of the year
5.7
Beach & pool
7th-best month of the year

September is a reasonable time to visit São José da Coroa Grande for sightseeing.

What to pack for São José da Coroa Grande in September

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

In September, São José da Coroa Grande sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near São José da Coroa Grande in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr29Tropical
May28Tropical
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov27Warm
Dec27Warm

UV index in São José da Coroa Grande in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (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 da Coroa Grande peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is São José da Coroa Grande?

São José da Coroa Grande sits at 8.9°S, 35.1°W, 9 m above sea level, in Brazil. The nearest listed city is Barreiros, 10 km away.

Topography around São José da Coroa Grande

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

Within 3 km, the terrain around São José da Coroa Grande has only modest variations in elevation — a maximum elevation change of 72 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 136 m; within 80 km, large variations in elevation — a maximum elevation change of 814 m.

The land around São José da Coroa Grande is covered by water (46%) and grassland (27%) within 3 km, water (53%), trees (23%) and grassland (21%) within 16 km, and grassland (38%), water (37%) and trees (20%) within 80 km.

3 km
72 m
16 km
136 m
80 km
814 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Barreiros 10 km · Maragogi 15 km · Tamandaré 17 km · Rio Formoso 26 km · Porto Calvo 32 km · Sirinhaém 34 km · Gameleira 44 km · Água Preta 47 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 da Coroa Grande (-8.8978°, -35.1478°, elevation 9 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).