Ibirataia weather in September

In September, Ibirataia sees average daytime highs of 27°C and overnight lows near 18°C, with 43 mm of rain across 13.2 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 15% 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 Ibirataia's 1st-clearest and 2nd-windiest month. For the whole year in context, see Ibirataia's year-round climate.

Daytime high: 27°; 9th warmest
Overnight low: 18°; 3rd coldest
Rainfall: 43 mm; 13.2 wet days
Daylight: 11 h 54 min; 5:35 AM – 5:31 PM
Cloud cover: 60%; 1st clearest
Wind: 8 km/h; 2nd windiest
Solar energy: 4.62 kWh/m²
Travel score: 6.0; out of 10

Ibirataia is human settlement in Brazil.

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

← August Ibirataia 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 27°C through the month.

A typical September day in Ibirataia reaches about 27°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than 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	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28
Avg low (°C)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19

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

How September really feels in Ibirataia

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.

Ibirataia 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 21°	81	17	12.7	4.2
Feb	30° / 22°	70	16.6	12.5	4.1
Mar	30° / 22°	88	19.6	12.1	4.0
Apr	29° / 21°	72	19.3	11.7	4.4
May	27° / 20°	51	14.5	11.4	5.7
Jun	26° / 19°	51	16.4	11.2	5.7
Jul	25° / 18°	57	16.7	11.3	5.8
Aug	25° / 17°	50	15.2	11.5	5.9
Sep	27° / 18°	43	13.2	11.9	6.0
Oct	28° / 20°	54	14.3	12.3	5.5
Nov	29° / 21°	96	15.7	12.7	4.8
Dec	29° / 21°	93	14.9	12.8	4.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 39% of September, with mostly cloudy or overcast conditions the remaining 46%.

	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 (%)	54	55	54	54	53	53	52	53	52	53	53	53	54	54	54	55	55	56	56	56	56	55	55	55	54	54	53	53	52	52
Cloudier (%)	46	45	46	46	47	47	48	47	48	47	47	47	46	46	46	45	45	44	44	44	44	45	45	45	46	46	47	47	48	48

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	54	46
4	54	46
5	53	47
6	53	47
7	52	48
8	53	47
9	52	48
10	53	47
11	53	47
12	53	47
13	54	46
14	54	46
15	54	46
16	55	45
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	52	48
30	52	48

Chance of precipitation in September

Any precipitation

Ibirataia gets around 43 mm of rain over 13.2 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 45% and peaks near 45% on the wettest days.

	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 (%)	45	44	44	44	44	44	44	44	44	44	44	44	44	45	45	45	45	45	45	45	45	45	45	45	44	44	44	45	45	45

	Rain chance (%)
1	45
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	45
15	45
16	45
17	45
18	45
19	45
20	45
21	45
22	45
23	45
24	45
25	44
26	44
27	44
28	45
29	45
30	45

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 64% 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
Comfortable (%)	4	4	4	4	5	5	5	5	5	4	4	4	4	4	4	3	3	3	3	3	3	2	2	2	2	2	2	2	2	2
Humid (%)	47	46	46	45	44	44	43	42	41	40	39	38	37	35	34	32	31	30	28	27	26	24	23	22	22	21	20	19	19	18
Muggy (%)	48	49	49	50	50	50	51	52	53	55	57	58	59	61	61	64	65	66	68	69	70	72	73	74	73	74	75	75	75	75
Oppressive (%)	1	1	1	1	1	1	1	1	1	1	0	0	0	0	1	1	1	1	1	1	1	2	2	2	3	3	3	4	4	5

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	4	47	48	1
2	4	46	49	1
3	4	46	49	1
4	4	45	50	1
5	5	44	50	1
6	5	44	50	1
7	5	43	51	1
8	5	42	52	1
9	5	41	53	1
10	4	40	55	1
11	4	39	57	0
12	4	38	58	0
13	4	37	59	0
14	4	35	61	0
15	4	34	61	1
16	3	32	64	1
17	3	31	65	1
18	3	30	66	1
19	3	28	68	1
20	3	27	69	1
21	3	26	70	1
22	2	24	72	2
23	2	23	73	2
24	2	22	74	2
25	2	22	73	3
26	2	21	74	3
27	2	20	75	3
28	2	19	75	4
29	2	19	75	4
30	2	18	75	5

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

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

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 5:47 AM to 5:25 AM, and sunset from 5:30 PM to 5:31 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)	11.7	11.7	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	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	12.1	12.1	12.1	12.1	12.1
Sunrise (AM)	5:47	5:46	5:45	5:44	5:44	5:43	5:42	5:41	5:41	5:40	5:39	5:38	5:38	5:37	5:36	5:35	5:34	5:34	5:33	5:32	5:31	5:31	5:30	5:29	5:28	5:28	5:27	5:26	5:25	5:25
Sunset (PM)	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:30	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31	5:31

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	5:47	5:30
2	11.7	5:46	5:30
3	11.8	5:45	5:30
4	11.8	5:44	5:30
5	11.8	5:44	5:30
6	11.8	5:43	5:30
7	11.8	5:42	5:30
8	11.8	5:41	5:30
9	11.8	5:41	5:30
10	11.8	5:40	5:30
11	11.9	5:39	5:30
12	11.9	5:38	5:30
13	11.9	5:38	5:30
14	11.9	5:37	5:31
15	11.9	5:36	5:31
16	11.9	5:35	5:31
17	11.9	5:34	5:31
18	11.9	5:34	5:31
19	12.0	5:33	5:31
20	12.0	5:32	5:31
21	12.0	5:31	5:31
22	12.0	5:31	5:31
23	12.0	5:30	5:31
24	12.0	5:29	5:31
25	12.0	5:28	5:31
26	12.1	5:28	5:31
27	12.1	5:27	5:31
28	12.1	5:26	5:31
29	12.1	5:25	5:31
30	12.1	5:25	5:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.62 kWh/m².

For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 5.65 kWh/m² in January across the year — September's 4.62 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)	4.3	4.3	4.3	4.4	4.4	4.4	4.5	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.6	4.7	4.7	4.7	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.8	4.9	4.9	4.9	4.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.3	Bright
3	4.3	Bright
4	4.4	Bright
5	4.4	Bright
6	4.4	Bright
7	4.5	Bright
8	4.5	Bright
9	4.5	Bright
10	4.5	Bright
11	4.5	Bright
12	4.6	Bright
13	4.6	Bright
14	4.6	Bright
15	4.6	Bright
16	4.7	Bright
17	4.7	Bright
18	4.7	Bright
19	4.7	Bright
20	4.7	Bright
21	4.7	Bright
22	4.8	Bright
23	4.8	Bright
24	4.8	Bright
25	4.8	Bright
26	4.8	Bright
27	4.9	Bright
28	4.9	Bright
29	4.9	Bright
30	4.9	Bright

Planning a trip in September

Is September a good time to visit Ibirataia?

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

6.0

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Ibirataia for sightseeing.

What to pack for Ibirataia in September

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

In September, Ibirataia sees daytime highs around 27°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Ibirataia 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 Ibirataia peaks around February 19 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	14	12	9	8	8	10	11	13	14	12
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	14	Extreme
Apr	12	Extreme
May	9	Very high
Jun	8	Very high
Jul	8	Very high
Aug	10	Very high
Sep	11	Extreme
Oct	13	Extreme
Nov	14	Extreme
Dec	12	Extreme

Location & terrain

Where is Ibirataia?

Ibirataia sits at 14.1°S, 39.6°W, 151 m above sea level, in Brazil. The nearest listed city is Ipiaú, 13 km away.

Topography around Ibirataia

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

Within 3 km, the terrain around Ibirataia has significant variations in elevation — a maximum elevation change of 265 m around an average of 202 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 560 m; within 80 km, large variations in elevation — a maximum elevation change of 1,135 m.

The land around Ibirataia is covered by trees (78%) within 3 km, trees (74%) and grassland (24%) within 16 km, and trees (68%) and grassland (27%) within 80 km.

3 km

265 m

trees 78%

16 km

560 m

trees 74%

80 km

1,135 m

trees 68%

treesgrasslandartificial surfaceswatermangroves

← August Ibirataia year-round climate October →Best places to visit in September

September weather nearby: Ipiaú 13 km · Ubatã 20 km · Ibirapitanga 31 km · Itagibá 32 km · Gandu 40 km · Ubaitaba 44 km · Wenceslau Guimarães 46 km · Jequié 53 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 Ibirataia (-14.0669°, -39.6406°, elevation 151 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).

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

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	54	46
4	54	46
5	53	47
6	53	47
7	52	48
8	53	47
9	52	48
10	53	47
11	53	47
12	53	47
13	54	46
14	54	46
15	54	46
16	55	45
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	52	48
30	52	48

	Rain chance (%)
1	45
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	45
15	45
16	45
17	45
18	45
19	45
20	45
21	45
22	45
23	45
24	45
25	44
26	44
27	44
28	45
29	45
30	45

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	4	47	48	1
2	4	46	49	1
3	4	46	49	1
4	4	45	50	1
5	5	44	50	1
6	5	44	50	1
7	5	43	51	1
8	5	42	52	1
9	5	41	53	1
10	4	40	55	1
11	4	39	57	0
12	4	38	58	0
13	4	37	59	0
14	4	35	61	0
15	4	34	61	1
16	3	32	64	1
17	3	31	65	1
18	3	30	66	1
19	3	28	68	1
20	3	27	69	1
21	3	26	70	1
22	2	24	72	2
23	2	23	73	2
24	2	22	74	2
25	2	22	73	3
26	2	21	74	3
27	2	20	75	3
28	2	19	75	4
29	2	19	75	4
30	2	18	75	5

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

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	54	46
4	54	46
5	53	47
6	53	47
7	52	48
8	53	47
9	52	48
10	53	47
11	53	47
12	53	47
13	54	46
14	54	46
15	54	46
16	55	45
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	52	48
30	52	48

	Rain chance (%)
1	45
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	45
15	45
16	45
17	45
18	45
19	45
20	45
21	45
22	45
23	45
24	45
25	44
26	44
27	44
28	45
29	45
30	45

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	4	47	48	1
2	4	46	49	1
3	4	46	49	1
4	4	45	50	1
5	5	44	50	1
6	5	44	50	1
7	5	43	51	1
8	5	42	52	1
9	5	41	53	1
10	4	40	55	1
11	4	39	57	0
12	4	38	58	0
13	4	37	59	0
14	4	35	61	0
15	4	34	61	1
16	3	32	64	1
17	3	31	65	1
18	3	30	66	1
19	3	28	68	1
20	3	27	69	1
21	3	26	70	1
22	2	24	72	2
23	2	23	73	2
24	2	22	74	2
25	2	22	73	3
26	2	21	74	3
27	2	20	75	3
28	2	19	75	4
29	2	19	75	4
30	2	18	75	5

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

	Clearer (%)	Cloudier (%)
1	54	46
2	55	45
3	54	46
4	54	46
5	53	47
6	53	47
7	52	48
8	53	47
9	52	48
10	53	47
11	53	47
12	53	47
13	54	46
14	54	46
15	54	46
16	55	45
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	55	45
23	55	45
24	55	45
25	54	46
26	54	46
27	53	47
28	53	47
29	52	48
30	52	48

	Rain chance (%)
1	45
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	44
11	44
12	44
13	44
14	45
15	45
16	45
17	45
18	45
19	45
20	45
21	45
22	45
23	45
24	45
25	44
26	44
27	44
28	45
29	45
30	45

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	4	47	48	1
2	4	46	49	1
3	4	46	49	1
4	4	45	50	1
5	5	44	50	1
6	5	44	50	1
7	5	43	51	1
8	5	42	52	1
9	5	41	53	1
10	4	40	55	1
11	4	39	57	0
12	4	38	58	0
13	4	37	59	0
14	4	35	61	0
15	4	34	61	1
16	3	32	64	1
17	3	31	65	1
18	3	30	66	1
19	3	28	68	1
20	3	27	69	1
21	3	26	70	1
22	2	24	72	2
23	2	23	73	2
24	2	22	74	2
25	2	22	73	3
26	2	21	74	3
27	2	20	75	3
28	2	19	75	4
29	2	19	75	4
30	2	18	75	5