Ilha de Itamaracá weather in September

In September, Ilha de Itamaracá sees average daytime highs of 26°C and overnight lows near 24°C, with 40 mm of rain across 13.5 wet days and about 12 hours of daylight. It is the 10th-warmest and 9th-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 60% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Ilha de Itamaracá's 1st-clearest and 2nd-windiest month. For the whole year in context, see Ilha de Itamaracá's year-round climate.

Daytime high: 26°; 10th warmest
Overnight low: 24°; 3rd coldest
Rainfall: 40 mm; 13.5 wet days
Daylight: 12 hours; 5:15 AM – 5:12 PM
Cloud cover: 38%; 1st clearest
Wind: 19 km/h; 2nd windiest
Solar energy: 5.89 kWh/m²
Travel score: 6.4; out of 10

Ilha de Itamaracá is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Ilha de Itamaracá year-round climate October →Best places to visit in September

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

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 Ilha de Itamaracá reaches about 26°C in the afternoon and slips back to 24°C overnight — a 3°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 on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	27	27	27	27	27	27	27	27	27	27
Avg low (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

	Avg high (°C)	Avg low (°C)
1	26	24
2	26	24
3	26	24
4	26	24
5	26	24
6	26	24
7	26	24
8	26	24
9	26	24
10	26	24
11	26	24
12	26	24
13	26	24
14	26	24
15	26	24
16	26	24
17	26	24
18	26	24
19	26	24
20	26	24
21	27	24
22	27	24
23	27	24
24	27	24
25	27	24
26	27	24
27	27	24
28	27	24
29	27	24
30	27	24

How September really feels in Ilha de Itamaracá

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Ilha de Itamaracá 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 25°	58	17.1	12.4	5.4
Feb	28° / 26°	69	15.4	12.3	5.0
Mar	28° / 26°	89	18.9	12.1	4.8
Apr	28° / 25°	125	21.1	11.8	4.5
May	28° / 25°	139	22.8	11.7	4.7
Jun	27° / 24°	152	23.1	11.6	4.7
Jul	26° / 23°	136	23.1	11.6	5.0
Aug	26° / 23°	75	19.3	11.7	5.5
Sep	26° / 24°	40	13.5	12	6.4
Oct	27° / 24°	27	9.8	12.2	6.9
Nov	27° / 25°	23	9.1	12.4	6.8
Dec	28° / 25°	31	11.4	12.4	6.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 32% of September, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	89	89	89	89	89	90	90	90	91	91	91	91	91	92	92	93	93	93	93	93	93	94	94	94	93	93	93	93	93	93
Cloudier (%)	11	11	11	11	11	10	10	10	9	9	9	9	9	8	8	7	7	7	7	7	7	6	6	6	7	7	7	7	7	7

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	92	8
15	92	8
16	93	7
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	93	7

Chance of precipitation in September

Any precipitation

Ilha de Itamaracá gets around 40 mm of rain over 13.5 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 45% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	58	57	57	57	56	56	56	55	54	54	53	52	51	50	48	47	45	43	42	40	38	37	35	34	33	32	31	31	30	30

	Rain chance (%)
1	58
2	57
3	57
4	57
5	56
6	56
7	56
8	55
9	54
10	54
11	53
12	52
13	51
14	50
15	48
16	47
17	45
18	43
19	42
20	40
21	38
22	37
23	35
24	34
25	33
26	32
27	31
28	31
29	30
30	30

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	41	41	41	40	40	40	40	40	39	39	39	39	39	39	39	39	39	38	38	38	38	37	37	37	36	35	35	34	32	31
Oppressive (%)	59	59	59	60	60	60	60	60	61	61	61	61	61	61	61	61	61	62	62	62	62	63	63	63	64	65	65	66	68	69

	Muggy (%)	Oppressive (%)
1	41	59
2	41	59
3	41	59
4	40	60
5	40	60
6	40	60
7	40	60
8	40	60
9	39	61
10	39	61
11	39	61
12	39	61
13	39	61
14	39	61
15	39	61
16	39	61
17	39	61
18	38	62
19	38	62
20	38	62
21	38	62
22	37	63
23	37	63
24	37	63
25	36	64
26	35	65
27	35	65
28	34	66
29	32	68
30	31	69

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	19	19	19	19	19	19	19
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	20	light breeze
2	20	light breeze
3	20	light breeze
4	20	light breeze
5	20	light breeze
6	20	light breeze
7	20	light breeze
8	20	light breeze
9	20	light breeze
10	20	light breeze
11	20	light breeze
12	20	light breeze
13	20	light breeze
14	20	light breeze
15	20	light breeze
16	20	light breeze
17	19	light breeze
18	19	light breeze
19	19	light breeze
20	19	light breeze
21	19	light breeze
22	19	light breeze
23	19	light breeze
24	19	light breeze
25	19	light breeze
26	19	light breeze
27	19	light breeze
28	19	light breeze
29	19	light breeze
30	19	light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 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 12 minutes over September. Sunrise moves from 5:24 AM to 5:07 AM, and sunset from 5:15 PM to 5:10 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.1	12.1
Sunrise (AM)	5:24	5:23	5:22	5:22	5:21	5:21	5:20	5:20	5:19	5:18	5:18	5:17	5:17	5:16	5:15	5:15	5:14	5:14	5:13	5:13	5:12	5:11	5:11	5:10	5:10	5:09	5:08	5:08	5:07	5:07
Sunset (PM)	5:15	5:14	5:14	5:14	5:14	5:14	5:14	5:14	5:13	5:13	5:13	5:13	5:13	5:13	5:13	5:12	5:12	5:12	5:12	5:12	5:12	5:11	5:11	5:11	5:11	5:11	5:11	5:11	5:11	5:10

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.9	5:24	5:15
2	11.9	5:23	5:14
3	11.9	5:22	5:14
4	11.9	5:22	5:14
5	11.9	5:21	5:14
6	11.9	5:21	5:14
7	11.9	5:20	5:14
8	11.9	5:20	5:14
9	11.9	5:19	5:13
10	11.9	5:18	5:13
11	11.9	5:18	5:13
12	11.9	5:17	5:13
13	11.9	5:17	5:13
14	11.9	5:16	5:13
15	12.0	5:15	5:13
16	12.0	5:15	5:12
17	12.0	5:14	5:12
18	12.0	5:14	5:12
19	12.0	5:13	5:12
20	12.0	5:13	5:12
21	12.0	5:12	5:12
22	12.0	5:11	5:11
23	12.0	5:11	5:11
24	12.0	5:10	5:11
25	12.0	5:10	5:11
26	12.0	5:09	5:11
27	12.0	5:08	5:11
28	12.0	5:08	5:11
29	12.1	5:07	5:11
30	12.1	5:07	5:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.89 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.41 kWh/m² in November across the year — September's 5.89 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.1	6.2	6.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.6	Bright
3	5.6	Bright
4	5.6	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.7	Bright
9	5.7	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.9	Bright
16	5.9	Bright
17	5.9	Bright
18	5.9	Bright
19	6.0	Bright
20	6.0	Bright
21	6.0	Intense
22	6.0	Intense
23	6.0	Intense
24	6.1	Intense
25	6.1	Intense
26	6.1	Intense
27	6.1	Intense
28	6.1	Intense
29	6.2	Intense
30	6.2	Intense

Planning a trip in September

Hazard calendar for Ilha de Itamaracá

In seasonPeak

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

Ilha de Itamaracá's rainy season runs February–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 Ilha de Itamaracá?

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

6.4

Sightseeing

3rd-best month of the year

6.2

Beach & pool

4th-best month of the year

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

What to pack for Ilha de Itamaracá in September

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

In September, Ilha de Itamaracá sees daytime highs around 26°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Ilha de Itamaracá 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 26 km away) 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	28	29	29	28	27	27	26	26	27	27	28
Comfort	Warm	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Warm
Feb	28	Tropical
Mar	29	Tropical
Apr	29	Tropical
May	28	Tropical
Jun	27	Warm
Jul	27	Warm
Aug	26	Warm
Sep	26	Warm
Oct	27	Warm
Nov	27	Warm
Dec	28	Warm

UV index in Ilha de Itamaracá 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 Ilha de Itamaracá peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 10 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	13	11	10	10	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	11	Extreme
Jun	10	Very high
Jul	10	Very high
Aug	10	Very high
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Ilha de Itamaracá?

Ilha de Itamaracá sits at 7.7°S, 34.8°W, 7 m above sea level, in Brazil. The nearest listed city is Itapissuma, 8.0 km away.

Topography around Ilha de Itamaracá

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

Within 3 km, the terrain around Ilha de Itamaracá has only modest variations in elevation — a maximum elevation change of 71 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, large variations in elevation — a maximum elevation change of 711 m.

The land around Ilha de Itamaracá is covered by water (55%) and trees (22%) within 3 km, water (57%) within 16 km, and water (37%) and grassland (35%) within 80 km.

3 km

71 m

water 55%

16 km

124 m

water 57%

80 km

711 m

water 37%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves

← August Ilha de Itamaracá year-round climate October →Best places to visit in September

September weather nearby: Itapissuma 8.0 km · Igarassu 13 km · Abreu e Lima 20 km · Paulista 22 km · Caaporã 27 km · Goiana 29 km · Olinda 29 km · Araçoiaba 30 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

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 Ilha de Itamaracá (-7.7478°, -34.8256°, elevation 7 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).

	Avg high (°C)	Avg low (°C)
1	26	24
2	26	24
3	26	24
4	26	24
5	26	24
6	26	24
7	26	24
8	26	24
9	26	24
10	26	24
11	26	24
12	26	24
13	26	24
14	26	24
15	26	24
16	26	24
17	26	24
18	26	24
19	26	24
20	26	24
21	27	24
22	27	24
23	27	24
24	27	24
25	27	24
26	27	24
27	27	24
28	27	24
29	27	24
30	27	24

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	92	8
15	92	8
16	93	7
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	93	7

	Rain chance (%)
1	58
2	57
3	57
4	57
5	56
6	56
7	56
8	55
9	54
10	54
11	53
12	52
13	51
14	50
15	48
16	47
17	45
18	43
19	42
20	40
21	38
22	37
23	35
24	34
25	33
26	32
27	31
28	31
29	30
30	30

	Muggy (%)	Oppressive (%)
1	41	59
2	41	59
3	41	59
4	40	60
5	40	60
6	40	60
7	40	60
8	40	60
9	39	61
10	39	61
11	39	61
12	39	61
13	39	61
14	39	61
15	39	61
16	39	61
17	39	61
18	38	62
19	38	62
20	38	62
21	38	62
22	37	63
23	37	63
24	37	63
25	36	64
26	35	65
27	35	65
28	34	66
29	32	68
30	31	69

	Avg high (°C)	Avg low (°C)
1	26	24
2	26	24
3	26	24
4	26	24
5	26	24
6	26	24
7	26	24
8	26	24
9	26	24
10	26	24
11	26	24
12	26	24
13	26	24
14	26	24
15	26	24
16	26	24
17	26	24
18	26	24
19	26	24
20	26	24
21	27	24
22	27	24
23	27	24
24	27	24
25	27	24
26	27	24
27	27	24
28	27	24
29	27	24
30	27	24

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	92	8
15	92	8
16	93	7
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	93	7

	Rain chance (%)
1	58
2	57
3	57
4	57
5	56
6	56
7	56
8	55
9	54
10	54
11	53
12	52
13	51
14	50
15	48
16	47
17	45
18	43
19	42
20	40
21	38
22	37
23	35
24	34
25	33
26	32
27	31
28	31
29	30
30	30

	Muggy (%)	Oppressive (%)
1	41	59
2	41	59
3	41	59
4	40	60
5	40	60
6	40	60
7	40	60
8	40	60
9	39	61
10	39	61
11	39	61
12	39	61
13	39	61
14	39	61
15	39	61
16	39	61
17	39	61
18	38	62
19	38	62
20	38	62
21	38	62
22	37	63
23	37	63
24	37	63
25	36	64
26	35	65
27	35	65
28	34	66
29	32	68
30	31	69

	Avg high (°C)	Avg low (°C)
1	26	24
2	26	24
3	26	24
4	26	24
5	26	24
6	26	24
7	26	24
8	26	24
9	26	24
10	26	24
11	26	24
12	26	24
13	26	24
14	26	24
15	26	24
16	26	24
17	26	24
18	26	24
19	26	24
20	26	24
21	27	24
22	27	24
23	27	24
24	27	24
25	27	24
26	27	24
27	27	24
28	27	24
29	27	24
30	27	24

	Clearer (%)	Cloudier (%)
1	89	11
2	89	11
3	89	11
4	89	11
5	89	11
6	90	10
7	90	10
8	90	10
9	91	9
10	91	9
11	91	9
12	91	9
13	91	9
14	92	8
15	92	8
16	93	7
17	93	7
18	93	7
19	93	7
20	93	7
21	93	7
22	94	6
23	94	6
24	94	6
25	93	7
26	93	7
27	93	7
28	93	7
29	93	7
30	93	7

	Rain chance (%)
1	58
2	57
3	57
4	57
5	56
6	56
7	56
8	55
9	54
10	54
11	53
12	52
13	51
14	50
15	48
16	47
17	45
18	43
19	42
20	40
21	38
22	37
23	35
24	34
25	33
26	32
27	31
28	31
29	30
30	30

	Muggy (%)	Oppressive (%)
1	41	59
2	41	59
3	41	59
4	40	60
5	40	60
6	40	60
7	40	60
8	40	60
9	39	61
10	39	61
11	39	61
12	39	61
13	39	61
14	39	61
15	39	61
16	39	61
17	39	61
18	38	62
19	38	62
20	38	62
21	38	62
22	37	63
23	37	63
24	37	63
25	36	64
26	35	65
27	35	65
28	34	66
29	32	68
30	31	69