Itaocara weather in September

In September, Itaocara sees average daytime highs of 27°C and overnight lows near 17°C, with 54 mm of rain across 7.5 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-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 34% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Itaocara's 5th-clearest and 1st-windiest month. For the whole year in context, see Itaocara's year-round climate.

Daytime high
27°
8th warmest
Overnight low
17°
5th coldest
Rainfall
54 mm
7.5 wet days
Daylight
11 h 54 min
6:46 AM – 6:39 PM
Cloud cover
57%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
4.65 kWh/m²
Travel score
6.8
out of 10

Itaocara 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 Itaocara reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°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)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162718
172718
182718
192718
202718
212718
222718
232718
242718
252718
262718
272718
282718
292718
302718

How September really feels in Itaocara

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.

Itaocara weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°18417.513.23.8
Feb31° / 22°10013.112.74.0
Mar30° / 21°13516.312.24.2
Apr29° / 20°6810.811.55.6
May26° / 17°467.2117.0
Jun26° / 16°183.910.77.8
Jul25° / 16°163.810.88.0
Aug26° / 16°204.211.37.7
Sep27° / 17°547.511.96.8
Oct28° / 19°901112.55.7
Nov28° / 20°18217.2134.8
Dec29° / 21°21619.813.34.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26139
36139
46040
55941
65941
75842
85644
95545
105446
115248
125050
134951
144753
154654
164654
174555
184357
194159
204060
213961
223862
233763
243565
253565
263466
273466
283367
293367
303367

Chance of precipitation in September

Any precipitation

Itaocara gets around 54 mm of rain over 7.5 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 25% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
114
215
315
416
516
617
718
818
919
1020
1121
1222
1323
1424
1525
1626
1726
1827
1928
2029
2130
2230
2331
2432
2532
2633
2733
2833
2933
3033

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
192952100
292853100
392853100
492852110
582853110
682753120
782752130
872753130
972653140
1072652150
1162553160
1252553170
1352452190
1442353200
1542352210
1642252220
1742251230
1842150250
1942149260
2042048271
2142047281
2242046291
2341945301
2441944321
2541844331
2641843341
2751742351
2851742361
2951641362
3051641372

Wind in September

Winds average 7 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 7:01 AM to 6:32 AM, and sunset from 6:35 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:016:35
211.67:006:35
311.66:596:35
411.66:586:36
511.66:576:36
611.76:566:36
711.76:556:37
811.76:546:37
911.76:536:37
1011.76:526:37
1111.86:516:38
1211.86:506:38
1311.86:496:38
1411.86:486:38
1511.96:476:39
1611.96:466:39
1711.96:456:39
1811.96:446:39
1911.96:436:40
2012.06:426:40
2112.06:416:40
2212.06:406:41
2312.06:396:41
2412.06:386:41
2512.16:376:41
2612.16:366:42
2712.16:356:42
2812.16:346:42
2912.26:336:43
3012.26:326:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.65 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.04 kWh/m² in February across the year — September's 4.65 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Itaocara

In seasonPeak

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

Itaocara's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Itaocara?

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

6.8
Sightseeing
5th-best month of the year
7.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Itaocara for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Itaocara in September

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

In September, Itaocara sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Itaocara 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 Itaocara peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 9UV 14Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Itaocara?

Itaocara sits at 21.7°S, 42.1°W, 99 m above sea level, in Brazil. The nearest listed city is Santo Antônio de Pádua, 18 km away.

Topography around Itaocara

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

Within 3 km, the terrain around Itaocara has only modest variations in elevation — a maximum elevation change of 217 m around an average of 90 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 677 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Itaocara is covered by grassland (68%) within 3 km, grassland (75%) and trees (23%) within 16 km, and grassland (66%) and trees (31%) within 80 km.

3 km
217 m
16 km
677 m
80 km
1,806 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Santo Antônio de Pádua 18 km · Cambuci 20 km · Miracema 31 km · São Fidélis 34 km · Cantagalo 46 km · Cordeiro 50 km · Conceição de Macabu 51 km · Itaperuna 55 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 Itaocara (-21.6692°, -42.0761°, elevation 99 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. 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).