Tanhaçu weather in September

In September, Tanhaçu sees average daytime highs of 30°C and overnight lows near 18°C, with 13 mm of rain across 2.9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 44% of the time in September, and the air most often feels humid.

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 Tanhaçu's 1st-clearest and 2nd-windiest month. For the whole year in context, see Tanhaçu's year-round climate.

Daytime high: 30°; 8th warmest
Overnight low: 18°; 4th coldest
Rainfall: 13 mm; 2.9 wet days
Daylight: 11 h 54 min; 5:42 AM – 5:37 PM
Cloud cover: 46%; 1st clearest
Wind: 11 km/h; 2nd windiest
Solar energy: 5.45 kWh/m²
Travel score: 6.1; out of 10

Tanhaçu is human settlement in Brazil.

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

← August Tanhaçu 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

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical September day in Tanhaçu reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, September runs about 2°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)	29	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30	30	30	30	30	30	30	30	30	30	30	31	31	31	31
Avg low (°C)	17	17	17	17	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19

	Avg high (°C)	Avg low (°C)
1	29	17
2	29	17
3	29	17
4	29	17
5	29	17
6	29	17
7	29	17
8	29	17
9	29	17
10	29	17
11	29	17
12	29	18
13	30	18
14	30	18
15	30	18
16	30	18
17	30	18
18	30	18
19	30	18
20	30	18
21	30	18
22	30	18
23	30	18
24	30	18
25	30	19
26	30	19
27	31	19
28	31	19
29	31	19
30	31	19

How September really feels in Tanhaçu

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.

Tanhaçu weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 21°	79	8	12.7	4.7
Feb	31° / 21°	48	6.5	12.5	4.6
Mar	31° / 21°	80	9.5	12.1	4.6
Apr	30° / 20°	41	7.9	11.7	5.2
May	29° / 19°	21	5.7	11.4	6.2
Jun	27° / 17°	18	5	11.2	7.2
Jul	27° / 16°	15	4.9	11.3	7.3
Aug	28° / 16°	12	3.5	11.5	7.2
Sep	30° / 18°	13	2.9	11.9	6.1
Oct	31° / 19°	41	6.1	12.3	5.1
Nov	30° / 20°	114	10.3	12.6	4.7
Dec	30° / 20°	99	9.7	12.8	4.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 36%. 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 (%)	63	62	62	62	62	62	62	62	62	63	63	63	63	63	64	64	65	65	65	66	65	66	66	66	66	66	66	66	66	66
Cloudier (%)	37	38	38	38	38	38	38	38	38	37	37	37	37	37	36	36	35	35	35	34	35	34	34	34	34	34	34	34	34	34

	Clearer (%)	Cloudier (%)
1	63	37
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	62	38
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	65	35
20	66	34
21	65	35
22	66	34
23	66	34
24	66	34
25	66	34
26	66	34
27	66	34
28	66	34
29	66	34
30	66	34

Chance of precipitation in September

Any precipitation

Tanhaçu gets around 13 mm of rain over 2.9 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 10% and peaks near 12% 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 (%)	9	9	9	8	8	9	9	9	9	9	9	9	9	9	9	10	10	10	10	11	11	11	11	11	11	11	11	12	12	12

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

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	5	5	5	5	5	5	5	5	5	5	4	4	4	3	3	3	2	2	2	2	1	1	1	1	1	1	1	1	1	1
Comfortable (%)	48	47	47	46	46	45	45	45	45	45	44	44	43	42	41	40	39	37	36	34	33	31	29	28	27	26	25	24	23	23
Humid (%)	46	47	47	47	48	48	48	48	49	49	51	51	51	53	54	54	56	57	58	59	61	62	64	64	64	65	65	66	66	66
Muggy (%)	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	3	3	4	4	5	5	6	6	7	8	8	9	9	10	10

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	5	48	46	1
2	5	47	47	1
3	5	47	47	1
4	5	46	47	1
5	5	46	48	1
6	5	45	48	1
7	5	45	48	1
8	5	45	48	1
9	5	45	49	1
10	5	45	49	1
11	4	44	51	1
12	4	44	51	1
13	4	43	51	2
14	3	42	53	2
15	3	41	54	2
16	3	40	54	3
17	2	39	56	3
18	2	37	57	4
19	2	36	58	4
20	2	34	59	5
21	1	33	61	5
22	1	31	62	6
23	1	29	64	6
24	1	28	64	7
25	1	27	64	8
26	1	26	65	8
27	1	25	65	9
28	1	24	66	9
29	1	23	66	10
30	1	23	66	10

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 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)	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
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	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	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 5:53 AM to 5:31 AM, and sunset from 5:36 PM to 5:38 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)	5:53	5:52	5:51	5:51	5:50	5:49	5:49	5:48	5:47	5:46	5:45	5:45	5:44	5:43	5:42	5:42	5:41	5:40	5:39	5:39	5:38	5:37	5:36	5:35	5:35	5:34	5:33	5:32	5:32	5:31
Sunset (PM)	5:36	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:37	5:38	5:38

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	5:53	5:36
2	11.7	5:52	5:37
3	11.8	5:51	5:37
4	11.8	5:51	5:37
5	11.8	5:50	5:37
6	11.8	5:49	5:37
7	11.8	5:49	5:37
8	11.8	5:48	5:37
9	11.8	5:47	5:37
10	11.8	5:46	5:37
11	11.9	5:45	5:37
12	11.9	5:45	5:37
13	11.9	5:44	5:37
14	11.9	5:43	5:37
15	11.9	5:42	5:37
16	11.9	5:42	5:37
17	11.9	5:41	5:37
18	11.9	5:40	5:37
19	12.0	5:39	5:37
20	12.0	5:39	5:37
21	12.0	5:38	5:37
22	12.0	5:37	5:37
23	12.0	5:36	5:37
24	12.0	5:35	5:37
25	12.0	5:35	5:37
26	12.1	5:34	5:37
27	12.1	5:33	5:37
28	12.1	5:32	5:37
29	12.1	5:32	5:38
30	12.1	5:31	5:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 6.25 kWh/m² in January across the year — September's 5.45 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)	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8
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	5.0	Bright
2	5.1	Bright
3	5.1	Bright
4	5.1	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.3	Bright
12	5.4	Bright
13	5.4	Bright
14	5.4	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.7	Bright
24	5.7	Bright
25	5.7	Bright
26	5.7	Bright
27	5.8	Bright
28	5.8	Bright
29	5.8	Bright
30	5.8	Bright

Planning a trip in September

Hazard calendar for Tanhaçu

In seasonPeak

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

Tanhaçu's rainy season runs November–January, 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 Tanhaçu?

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

6.1

Sightseeing

5th-best month of the year

8.2

Beach & pool

1st-best month of the year

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

What to pack for Tanhaçu in September

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

In September, Tanhaçu sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Tanhaçu 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 Tanhaçu peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 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)	14	15	15	12	9	8	8	10	12	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	14	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	12	Extreme
May	9	Very high
Jun	8	Very high
Jul	8	Very high
Aug	10	Very high
Sep	12	Extreme
Oct	13	Extreme
Nov	14	Extreme
Dec	12	Extreme

Location & terrain

Where is Tanhaçu?

Tanhaçu sits at 14.0°S, 41.2°W, 433 m above sea level, in Brazil. The nearest listed city is Ituaçu, 24 km away.

Topography around Tanhaçu

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

Within 3 km, the terrain around Tanhaçu has only modest variations in elevation — a maximum elevation change of 205 m around an average of 439 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 842 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,352 m.

The land around Tanhaçu is covered by shrubs (48%) and grassland (37%) within 3 km, shrubs (47%), grassland (28%) and trees (22%) within 16 km, and shrubs (49%) and grassland (33%) within 80 km.

3 km

205 m

shrubs 48%

16 km

842 m

shrubs 47%

80 km

1,352 m

shrubs 49%

treesshrubsgrasslandcroplandartificial surfaces

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

September weather nearby: Ituaçu 24 km · Barra da Estiva 45 km · Brumado 49 km · Anagé 67 km · Ibicoara 68 km · Livramento do Brumado 77 km · Livramento de Nossa Senhora 77 km · Vitória da Conquista 104 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 Tanhaçu (-14.0214°, -41.2481°, elevation 433 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	29	17
2	29	17
3	29	17
4	29	17
5	29	17
6	29	17
7	29	17
8	29	17
9	29	17
10	29	17
11	29	17
12	29	18
13	30	18
14	30	18
15	30	18
16	30	18
17	30	18
18	30	18
19	30	18
20	30	18
21	30	18
22	30	18
23	30	18
24	30	18
25	30	19
26	30	19
27	31	19
28	31	19
29	31	19
30	31	19

	Clearer (%)	Cloudier (%)
1	63	37
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	62	38
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	65	35
20	66	34
21	65	35
22	66	34
23	66	34
24	66	34
25	66	34
26	66	34
27	66	34
28	66	34
29	66	34
30	66	34

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	5	48	46	1
2	5	47	47	1
3	5	47	47	1
4	5	46	47	1
5	5	46	48	1
6	5	45	48	1
7	5	45	48	1
8	5	45	48	1
9	5	45	49	1
10	5	45	49	1
11	4	44	51	1
12	4	44	51	1
13	4	43	51	2
14	3	42	53	2
15	3	41	54	2
16	3	40	54	3
17	2	39	56	3
18	2	37	57	4
19	2	36	58	4
20	2	34	59	5
21	1	33	61	5
22	1	31	62	6
23	1	29	64	6
24	1	28	64	7
25	1	27	64	8
26	1	26	65	8
27	1	25	65	9
28	1	24	66	9
29	1	23	66	10
30	1	23	66	10

	Avg high (°C)	Avg low (°C)
1	29	17
2	29	17
3	29	17
4	29	17
5	29	17
6	29	17
7	29	17
8	29	17
9	29	17
10	29	17
11	29	17
12	29	18
13	30	18
14	30	18
15	30	18
16	30	18
17	30	18
18	30	18
19	30	18
20	30	18
21	30	18
22	30	18
23	30	18
24	30	18
25	30	19
26	30	19
27	31	19
28	31	19
29	31	19
30	31	19

	Clearer (%)	Cloudier (%)
1	63	37
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	62	38
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	65	35
20	66	34
21	65	35
22	66	34
23	66	34
24	66	34
25	66	34
26	66	34
27	66	34
28	66	34
29	66	34
30	66	34

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	5	48	46	1
2	5	47	47	1
3	5	47	47	1
4	5	46	47	1
5	5	46	48	1
6	5	45	48	1
7	5	45	48	1
8	5	45	48	1
9	5	45	49	1
10	5	45	49	1
11	4	44	51	1
12	4	44	51	1
13	4	43	51	2
14	3	42	53	2
15	3	41	54	2
16	3	40	54	3
17	2	39	56	3
18	2	37	57	4
19	2	36	58	4
20	2	34	59	5
21	1	33	61	5
22	1	31	62	6
23	1	29	64	6
24	1	28	64	7
25	1	27	64	8
26	1	26	65	8
27	1	25	65	9
28	1	24	66	9
29	1	23	66	10
30	1	23	66	10

	Avg high (°C)	Avg low (°C)
1	29	17
2	29	17
3	29	17
4	29	17
5	29	17
6	29	17
7	29	17
8	29	17
9	29	17
10	29	17
11	29	17
12	29	18
13	30	18
14	30	18
15	30	18
16	30	18
17	30	18
18	30	18
19	30	18
20	30	18
21	30	18
22	30	18
23	30	18
24	30	18
25	30	19
26	30	19
27	31	19
28	31	19
29	31	19
30	31	19

	Clearer (%)	Cloudier (%)
1	63	37
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	62	38
8	62	38
9	62	38
10	63	37
11	63	37
12	63	37
13	63	37
14	63	37
15	64	36
16	64	36
17	65	35
18	65	35
19	65	35
20	66	34
21	65	35
22	66	34
23	66	34
24	66	34
25	66	34
26	66	34
27	66	34
28	66	34
29	66	34
30	66	34

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	5	48	46	1
2	5	47	47	1
3	5	47	47	1
4	5	46	47	1
5	5	46	48	1
6	5	45	48	1
7	5	45	48	1
8	5	45	48	1
9	5	45	49	1
10	5	45	49	1
11	4	44	51	1
12	4	44	51	1
13	4	43	51	2
14	3	42	53	2
15	3	41	54	2
16	3	40	54	3
17	2	39	56	3
18	2	37	57	4
19	2	36	58	4
20	2	34	59	5
21	1	33	61	5
22	1	31	62	6
23	1	29	64	6
24	1	28	64	7
25	1	27	64	8
26	1	26	65	8
27	1	25	65	9
28	1	24	66	9
29	1	23	66	10
30	1	23	66	10