Piatã weather in September

In September, Piatã sees average daytime highs of 26°C and overnight lows near 14°C, with 14 mm of rain across 2.6 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels comfortable.

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

Daytime high: 26°; 8th warmest
Overnight low: 14°; 4th coldest
Rainfall: 14 mm; 2.6 wet days
Daylight: 11 h 54 min; 5:44 AM – 5:39 PM
Cloud cover: 46%; 1st clearest
Wind: 10 km/h; 1st windiest
Solar energy: 5.91 kWh/m²
Travel score: 8.0; out of 10

← August Piatã 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 25°C in the first days to 27°C by the end.

A typical September day in Piatã reaches about 26°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°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)	25	25	25	25	25	25	25	26	26	26	26	26	26	26	26	26	26	26	26	26	26	27	27	27	27	27	27	27	27	27
Avg low (°C)	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	15	15	15	15	15	15	15	15	15	15	15	15

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

Piatã weather by month

How September compares with the rest of the year at a glance. September is the 8th-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	27° / 17°	115	11.5	12.7	6.2
Feb	27° / 17°	73	10.5	12.4	6.2
Mar	27° / 17°	111	11.7	12.1	6.2
Apr	26° / 17°	67	9.8	11.7	6.6
May	25° / 16°	21	4.9	11.4	7.5
Jun	24° / 14°	9	3	11.2	8.1
Jul	23° / 13°	6	1.5	11.3	8.2
Aug	24° / 13°	5	1.5	11.6	8.4
Sep	26° / 14°	14	2.6	11.9	8.0
Oct	27° / 16°	56	6.7	12.3	7.1
Nov	26° / 17°	159	12.9	12.6	6.0
Dec	27° / 17°	127	12.3	12.8	6.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 37%.

	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 (%)	62	62	62	62	62	62	62	63	63	63	63	63	63	63	63	63	63	63	64	64	64	64	64	64	64	65	65	65	65	66
Cloudier (%)	38	38	38	38	38	38	38	37	37	37	37	37	37	37	37	37	37	37	36	36	36	36	36	36	36	35	35	35	35	34

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

Chance of precipitation in September

Any precipitation

Piatã gets around 14 mm of rain over 2.6 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 8% and peaks near 13% on the wettest days. The odds climb 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 (%)	5	5	5	5	5	4	4	4	5	5	5	5	6	6	7	8	8	9	10	10	11	12	12	12	13	13	13	13	13	13

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

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 63% 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 (%)	40	39	39	38	38	37	37	36	36	35	34	34	33	31	30	29	28	26	25	24	23	21	20	19	18	17	17	16	16	16
Comfortable (%)	56	57	57	58	58	59	59	60	60	61	62	62	62	64	65	65	65	66	66	66	66	67	67	67	67	68	67	67	67	66
Humid (%)	4	4	4	4	4	4	4	4	4	4	4	4	5	5	5	6	7	8	9	10	11	12	13	14	15	15	16	17	17	18

	Dry (%)	Comfortable (%)	Humid (%)
1	40	56	4
2	39	57	4
3	39	57	4
4	38	58	4
5	38	58	4
6	37	59	4
7	37	59	4
8	36	60	4
9	36	60	4
10	35	61	4
11	34	62	4
12	34	62	4
13	33	62	5
14	31	64	5
15	30	65	5
16	29	65	6
17	28	65	7
18	26	66	8
19	25	66	9
20	24	66	10
21	23	66	11
22	21	67	12
23	20	67	13
24	19	67	14
25	18	67	15
26	17	68	15
27	17	67	16
28	16	67	17
29	16	67	17
30	16	66	18

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

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	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
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	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	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 5:55 AM to 5:33 AM, and sunset from 5:39 PM to 5:40 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	11.8	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	12.0	12.1	12.1	12.1	12.1	12.1
Sunrise (AM)	5:55	5:54	5:53	5:52	5:52	5:51	5:50	5:50	5:49	5:48	5:47	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	5:35	5:34	5:33
Sunset (PM)	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:39	5:40

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	5:55	5:39
2	11.8	5:54	5:39
3	11.8	5:53	5:39
4	11.8	5:52	5:39
5	11.8	5:52	5:39
6	11.8	5:51	5:39
7	11.8	5:50	5:39
8	11.8	5:50	5:39
9	11.8	5:49	5:39
10	11.9	5:48	5:39
11	11.9	5:47	5:39
12	11.9	5:47	5:39
13	11.9	5:46	5:39
14	11.9	5:45	5:39
15	11.9	5:44	5:39
16	11.9	5:44	5:39
17	11.9	5:43	5:39
18	12.0	5:42	5:39
19	12.0	5:41	5:39
20	12.0	5:41	5:39
21	12.0	5:40	5:39
22	12.0	5:39	5:39
23	12.0	5:38	5:39
24	12.0	5:38	5:39
25	12.0	5:37	5:39
26	12.1	5:36	5:39
27	12.1	5:35	5:39
28	12.1	5:35	5:39
29	12.1	5:34	5:39
30	12.1	5:33	5:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.91 kWh/m².

For context, solar energy here swings from a low near 4.12 kWh/m² to a high of 6.36 kWh/m² in October across the year — September's 5.91 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)	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9	5.9	5.9	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1	6.1	6.2	6.2	6.2	6.2	6.3
Level	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	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.5	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	5.8	Bright
10	5.8	Bright
11	5.8	Bright
12	5.8	Bright
13	5.9	Bright
14	5.9	Bright
15	5.9	Bright
16	6.0	Bright
17	6.0	Bright
18	6.0	Bright
19	6.0	Intense
20	6.0	Intense
21	6.0	Intense
22	6.1	Intense
23	6.1	Intense
24	6.1	Intense
25	6.1	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.2	Intense
30	6.3	Intense

Planning a trip in September

Hazard calendar for Piatã

In seasonPeak

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

Piatã's rainy season runs November–March, 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 Piatã?

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

8.0

Sightseeing

4th-best month of the year

7.7

Beach & pool

1st-best month of the year

September is one of the better times to visit Piatã for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piatã in September

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

In September, Piatã sees daytime highs around 26°C and nights near 14°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Piatã 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 Piatã peaks around February 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 9 (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	16	15	13	10	9	9	11	12	13	14	13
Level	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	16	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	10	Very high
Jun	9	Very high
Jul	9	Very high
Aug	11	Extreme
Sep	12	Extreme
Oct	13	Extreme
Nov	14	Extreme
Dec	13	Extreme

Location & terrain

Where is Piatã?

Piatã sits at 13.2°S, 41.8°W, 1,282 m above sea level, in Brazil. The nearest listed city is Livramento de Nossa Senhora, 55 km away.

Topography around Piatã

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

Within 3 km, the terrain around Piatã has significant variations in elevation — a maximum elevation change of 566 m around an average of 1,281 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,117 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,703 m.

The land around Piatã is covered by shrubs (48%) and grassland (31%) within 3 km, shrubs (50%), grassland (25%) and trees (24%) within 16 km, and shrubs (54%), trees (22%) and grassland (21%) within 80 km.

3 km

566 m

shrubs 48%

16 km

1,117 m

shrubs 50%

80 km

1,703 m

shrubs 54%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

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

September weather nearby: Livramento de Nossa Senhora 55 km · Livramento do Brumado 56 km · Paramirim 60 km · Ibicoara 60 km · Barra da Estiva 71 km · Seabra 82 km · Tanque Novo 89 km · Ituaçu 90 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 Piatã (-13.1519°, -41.7728°, elevation 1,282 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	25	13
2	25	14
3	25	14
4	25	14
5	25	14
6	25	14
7	25	14
8	26	14
9	26	14
10	26	14
11	26	14
12	26	14
13	26	14
14	26	14
15	26	14
16	26	14
17	26	14
18	26	14
19	26	15
20	26	15
21	26	15
22	27	15
23	27	15
24	27	15
25	27	15
26	27	15
27	27	15
28	27	15
29	27	15
30	27	15

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

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

	Dry (%)	Comfortable (%)	Humid (%)
1	40	56	4
2	39	57	4
3	39	57	4
4	38	58	4
5	38	58	4
6	37	59	4
7	37	59	4
8	36	60	4
9	36	60	4
10	35	61	4
11	34	62	4
12	34	62	4
13	33	62	5
14	31	64	5
15	30	65	5
16	29	65	6
17	28	65	7
18	26	66	8
19	25	66	9
20	24	66	10
21	23	66	11
22	21	67	12
23	20	67	13
24	19	67	14
25	18	67	15
26	17	68	15
27	17	67	16
28	16	67	17
29	16	67	17
30	16	66	18

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

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

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

	Dry (%)	Comfortable (%)	Humid (%)
1	40	56	4
2	39	57	4
3	39	57	4
4	38	58	4
5	38	58	4
6	37	59	4
7	37	59	4
8	36	60	4
9	36	60	4
10	35	61	4
11	34	62	4
12	34	62	4
13	33	62	5
14	31	64	5
15	30	65	5
16	29	65	6
17	28	65	7
18	26	66	8
19	25	66	9
20	24	66	10
21	23	66	11
22	21	67	12
23	20	67	13
24	19	67	14
25	18	67	15
26	17	68	15
27	17	67	16
28	16	67	17
29	16	67	17
30	16	66	18

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

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

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

	Dry (%)	Comfortable (%)	Humid (%)
1	40	56	4
2	39	57	4
3	39	57	4
4	38	58	4
5	38	58	4
6	37	59	4
7	37	59	4
8	36	60	4
9	36	60	4
10	35	61	4
11	34	62	4
12	34	62	4
13	33	62	5
14	31	64	5
15	30	65	5
16	29	65	6
17	28	65	7
18	26	66	8
19	25	66	9
20	24	66	10
21	23	66	11
22	21	67	12
23	20	67	13
24	19	67	14
25	18	67	15
26	17	68	15
27	17	67	16
28	16	67	17
29	16	67	17
30	16	66	18