Estância weather in September

In September, Estância sees average daytime highs of 27°C and overnight lows near 22°C, with 53 mm of rain across 17 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 7th-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 32% 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 Estância's 1st-clearest and 4th-windiest month. For the whole year in context, see Estância's year-round climate.

Daytime high
27°
9th warmest
Overnight low
22°
3rd coldest
Rainfall
53 mm
17 wet days
Daylight
11 h 54 min
5:26 AM – 5:22 PM
Cloud cover
49%
1st clearest
Wind
12 km/h
4th windiest
Solar energy
5.52 kWh/m²
Travel score
5.5
out of 10

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 Estância reaches about 27°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72722
82722
92722
102722
112722
122722
132722
142722
152722
162722
172722
182722
192722
202722
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822

How September really feels in Estância

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.

Estância weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°5113.712.64.4
Feb31° / 24°5215.312.44.1
Mar31° / 24°5917.512.14.0
Apr30° / 24°851911.84.1
May28° / 23°11722.111.54.5
Jun27° / 22°10722.911.44.7
Jul26° / 21°9122.611.44.9
Aug26° / 21°7421.411.65.1
Sep27° / 22°531711.95.5
Oct29° / 23°4312.712.35.5
Nov29° / 23°4011.112.55.2
Dec30° / 24°3410.212.64.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57327
67228
77228
87228
97327
107327
117327
127426
137426
147426
157426
167624
177624
187624
197723
207723
217822
227822
237921
247921
258020
268020
277921
288020
298020
308020

Chance of precipitation in September

Any precipitation

Estância gets around 53 mm of rain over 17 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 57% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
161
261
361
461
562
662
762
863
963
1063
1163
1262
1362
1461
1561
1660
1758
1857
1956
2054
2153
2252
2351
2450
2549
2648
2747
2846
2946
3045

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
126830
226731
326731
416732
516732
616633
716633
816534
916534
1016435
1116435
1216336
1316237
1416138
1516039
1615940
1715742
1815643
1915544
2015346
2115247
2215049
2314950
2414851
2514752
2614653
2714554
2814554
2914455
3014356

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light 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 5:36 AM to 5:16 AM, and sunset from 5:23 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:365:23
211.85:355:23
311.85:355:23
411.85:345:23
511.85:335:23
611.85:335:23
711.85:325:23
811.95:315:23
911.95:315:23
1011.95:305:23
1111.95:295:22
1211.95:295:22
1311.95:285:22
1411.95:275:22
1511.95:275:22
1611.95:265:22
1711.95:255:22
1812.05:255:22
1912.05:245:22
2012.05:235:22
2112.05:225:22
2212.05:225:22
2312.05:215:22
2412.05:205:22
2512.05:205:22
2612.05:195:22
2712.15:185:22
2812.15:185:22
2912.15:175:22
3012.15:165:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.52 kWh/m².

For context, solar energy here swings from a low near 4.02 kWh/m² to a high of 6.49 kWh/m² in December across the year — September's 5.52 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Is September a good time to visit Estância?

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
5.7
Beach & pool
6th-best month of the year

September is a reasonable time to visit Estância for sightseeing.

What to pack for Estância in September

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

In September, Estância sees daytime highs around 27°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Estância 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 14 km away) is warmest in April at about 28°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
Jan27Warm
Feb28Warm
Mar28Tropical
Apr28Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug26Warm
Sep26Warm
Oct26Warm
Nov26Warm
Dec27Warm

UV index in Estância 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 Estância peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 11UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Estância?

Estância sits at 11.3°S, 37.4°W, 54 m above sea level, in Brazil. The nearest listed city is Boquim, 24 km away.

Topography around Estância

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

Within 3 km, the terrain around Estância has only modest variations in elevation — a maximum elevation change of 75 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, large variations in elevation — a maximum elevation change of 694 m.

The land around Estância is covered by trees (41%) and grassland (40%) within 3 km, grassland (53%) and trees (33%) within 16 km, and grassland (45%) and water (27%) within 80 km.

3 km
75 m
16 km
149 m
80 km
694 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Boquim 24 km · Salgado 27 km · Umbaúba 27 km · Indiaroba 29 km · Itaporanga d'Ajuda 33 km · São Cristóvão 38 km · Riachão do Dantas 38 km · Itabaianinha 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 Estância (-11.2683°, -37.4383°, elevation 54 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).