Santo Antônio de Jesus weather in September

In September, Santo Antônio de Jesus sees average daytime highs of 27°C and overnight lows near 20°C, with 58 mm of rain across 16.7 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 12th-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 20% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Santo Antônio de Jesus's 1st-clearest and 4th-windiest month. For the whole year in context, see Santo Antônio de Jesus's year-round climate.

Daytime high
27°
9th warmest
Overnight low
20°
3rd coldest
Rainfall
58 mm
16.7 wet days
Daylight
11 h 54 min
5:34 AM – 5:29 PM
Cloud cover
56%
1st clearest
Wind
10 km/h
4th windiest
Solar energy
4.88 kWh/m²
Travel score
5.5
out of 10

Santo Antônio de Jesus 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 Santo Antônio de Jesus reaches about 27°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12619
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122719
132719
142719
152719
162720
172720
182720
192720
202720
212720
222820
232820
242820
252820
262820
272820
282820
292820
302820

How September really feels in Santo Antônio de Jesus

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.

Santo Antônio de Jesus weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°8317.312.73.9
Feb31° / 22°671712.43.8
Mar31° / 22°8419.912.13.7
Apr29° / 22°8721.511.73.9
May28° / 21°7618.911.45.1
Jun26° / 20°862111.35.0
Jul26° / 19°8221.211.35.1
Aug26° / 19°7320.411.65.2
Sep27° / 20°5816.711.95.5
Oct29° / 21°6016.312.35.0
Nov30° / 22°7615.712.64.5
Dec30° / 22°7014.312.74.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 43% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56040
65941
76040
86040
96040
106040
116040
126040
136139
146238
156238
166337
176337
186337
196337
206337
216337
226337
236337
246436
256337
266436
276535
286535
296634
306535

Chance of precipitation in September

Any precipitation

Santo Antônio de Jesus gets around 58 mm of rain over 16.7 wet days in September, the driest month. 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 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
259
359
459
559
659
759
859
958
1058
1158
1258
1358
1458
1558
1658
1757
1857
1956
2055
2155
2254
2353
2453
2552
2652
2752
2852
2952
3052

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1115804
2115795
3115795
4115795
5015805
6014806
7014806
8014806
9013816
10013807
11012817
12012817
13011818
14010828
15010819
1609829
17098110
18088111
19088111
20078112
21078013
22077914
23067915
24067816
25067717
26067519
27067420
28057421
29057322
30057223

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 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
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 5:44 AM to 5:23 AM, and sunset from 5:29 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:445:29
211.85:445:29
311.85:435:29
411.85:425:29
511.85:425:29
611.85:415:29
711.85:405:29
811.85:395:29
911.85:395:29
1011.95:385:29
1111.95:375:29
1211.95:365:29
1311.95:365:29
1411.95:355:29
1511.95:345:29
1611.95:345:29
1711.95:335:29
1812.05:325:29
1912.05:315:29
2012.05:315:29
2112.05:305:29
2212.05:295:29
2312.05:285:29
2412.05:285:29
2512.05:275:29
2612.15:265:29
2712.15:255:29
2812.15:255:29
2912.15:245:29
3012.15:235:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 5.97 kWh/m² in January across the year — September's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.1Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Santo Antônio de Jesus?

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

5.5
Sightseeing
1st-best month of the year
5.6
Beach & pool
5th-best month of the year

September is a reasonable time to visit Santo Antônio de Jesus for sightseeing.

What to pack for Santo Antônio de Jesus in September

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

In September, Santo Antônio de Jesus sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Santo Antônio de Jesus 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 at the nearest coast (about 45 km away) is warmest in March at about 28°C and coldest in August near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep26Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Santo Antônio de Jesus in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santo Antônio de Jesus peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 23UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Santo Antônio de Jesus?

Santo Antônio de Jesus sits at 13.0°S, 39.3°W, 214 m above sea level, in Brazil. The nearest listed city is São Felipe, 23 km away.

Topography around Santo Antônio de Jesus

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Antônio de Jesus.

Within 3 km, the terrain around Santo Antônio de Jesus has only modest variations in elevation — a maximum elevation change of 94 m around an average of 193 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 307 m; within 80 km, large variations in elevation — a maximum elevation change of 931 m.

The land around Santo Antônio de Jesus is covered by grassland (55%) and artificial surfaces (28%) within 3 km, grassland (72%) and trees (26%) within 16 km, and grassland (44%) and trees (37%) within 80 km.

3 km
94 m
16 km
307 m
80 km
931 m
treesshrubsgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: São Felipe 23 km · Conceição do Almeida 23 km · Nazaré 28 km · Sapeaçu 28 km · Castro Alves 29 km · Laje 30 km · Cruz das Almas 37 km · Amargosa 38 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 Santo Antônio de Jesus (-12.9689°, -39.2614°, elevation 214 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).