Itabuna weather in September

In September, Itabuna sees average daytime highs of 26°C and overnight lows near 20°C, with 53 mm of rain across 14.8 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 25% 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 Itabuna's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Itabuna's year-round climate.

Daytime high
26°
9th warmest
Overnight low
20°
4th coldest
Rainfall
53 mm
14.8 wet days
Daylight
11 h 54 min
5:34 AM – 5:29 PM
Cloud cover
55%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
4.82 kWh/m²
Travel score
6.0
out of 10

Itabuna 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 26°C through the month.

A typical September day in Itabuna reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92620
102620
112620
122620
132620
142620
152620
162620
172620
182620
192620
202620
212620
222620
232620
242720
252720
262720
272720
282720
292721
302721

How September really feels in Itabuna

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.

Itabuna weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°10020.712.84.2
Feb29° / 23°8120.312.54.0
Mar29° / 23°11422.712.13.9
Apr28° / 22°9921.811.74.3
May27° / 21°6716.411.35.6
Jun26° / 20°6017.111.15.7
Jul25° / 19°6618.111.25.7
Aug25° / 19°5216.311.55.9
Sep26° / 20°5314.811.96.0
Oct27° / 21°7616.912.35.5
Nov28° / 22°13219.212.74.9
Dec29° / 23°12019.112.94.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 41% of September, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16832
26832
36832
46832
56832
66832
76931
86931
96931
106931
116931
126931
136931
146931
156931
166832
176931
186832
196832
206733
216634
226535
236436
246337
256337
266139
276040
286040
296139
306040

Chance of precipitation in September

Any precipitation

Itabuna gets around 53 mm of rain over 14.8 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 49% and peaks near 50% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
150
249
349
449
549
649
749
849
948
1048
1148
1248
1348
1448
1548
1648
1748
1848
1949
2049
2149
2249
2350
2450
2550
2650
2750
2850
2950
3050

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
1147610
2147610
3147511
4147511
5147511
6147511
7137512
8137512
9137413
10127513
11127414
12117514
13107515
1497615
1597516
1687517
1787418
1877518
1977419
2067420
2167321
2267123
2367024
2466925
2566727
2656728
2756629
2856431
2956332
3056134

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:46 AM to 5:23 AM, and sunset from 5:28 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:465:28
211.75:455:28
311.75:445:28
411.85:435:28
511.85:435:28
611.85:425:28
711.85:415:29
811.85:405:29
911.85:395:29
1011.85:395:29
1111.85:385:29
1211.95:375:29
1311.95:365:29
1411.95:355:29
1511.95:355:29
1611.95:345:29
1711.95:335:29
1811.95:325:29
1912.05:315:29
2012.05:315:29
2112.05:305:29
2212.05:295:29
2312.05:285:29
2412.05:285:29
2512.05:275:30
2612.15:265:30
2712.15:255:30
2812.15:245:30
2912.15:245:30
3012.15:235:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.82 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 5.85 kWh/m² in January across the year — September's 4.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Itabuna?

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

6.0
Sightseeing
1st-best month of the year
5.8
Beach & pool
1st-best month of the year

September is a reasonable time to visit Itabuna for sightseeing.

What to pack for Itabuna in September

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

In September, Itabuna sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Itabuna in September

The nearest coast averages about 25°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
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Tropical
May27Warm
Jun26Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov27Warm
Dec27Warm

UV index in Itabuna 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 Itabuna peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 18UV 15Jun 22UV 8
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Itabuna?

Itabuna sits at 14.8°S, 39.3°W, 69 m above sea level, in Brazil. The nearest listed city is Itajuípe, 16 km away.

Topography around Itabuna

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

Within 3 km, the terrain around Itabuna has only modest variations in elevation — a maximum elevation change of 126 m around an average of 77 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 318 m; within 80 km, large variations in elevation — a maximum elevation change of 1,130 m.

The land around Itabuna is covered by trees (43%) and artificial surfaces (37%) within 3 km, trees (81%) within 16 km, and trees (51%), grassland (26%) and water (22%) within 80 km.

3 km
126 m
16 km
318 m
80 km
1,130 m
treesgrasslandartificial surfaceswater
September weather nearby: Itajuípe 16 km · Uruçuca 21 km · Ilhéus 27 km · Coaraci 33 km · Ibicaraí 34 km · Ubaitaba 53 km · Una 61 km · Itacaré 64 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 Itabuna (-14.7856°, -39.2803°, elevation 69 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).