Planalto weather in September

In September, Planalto sees average daytime highs of 25°C and overnight lows near 15°C, with 25 mm of rain across 7.7 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 29% 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 Planalto's 1st-clearest and 1st-windiest month. For the whole year in context, see Planalto's year-round climate.

Daytime high: 25°; 8th warmest
Overnight low: 15°; 4th coldest
Rainfall: 25 mm; 7.7 wet days
Daylight: 11 h 54 min; 5:39 AM – 5:34 PM
Cloud cover: 57%; 1st clearest
Wind: 13 km/h; 1st windiest
Solar energy: 5.13 kWh/m²
Travel score: 7.2; out of 10

← August Planalto 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 24°C in the first days to 26°C by the end.

A typical September day in Planalto reaches about 25°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°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)	24	24	24	24	24	24	24	24	24	24	24	24	25	25	25	25	25	25	25	25	25	25	25	25	25	25	26	26	26	26
Avg low (°C)	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	15	16	16	16	16	16	16	16	16	16	16	16

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

Planalto weather by month

How September compares with the rest of the year at a glance. September is the 8th-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	27° / 18°	96	13.3	12.8	5.8
Feb	27° / 18°	67	12.4	12.5	5.8
Mar	27° / 18°	107	14.9	12.1	5.7
Apr	26° / 18°	65	14.1	11.7	5.9
May	24° / 17°	35	10.3	11.3	6.7
Jun	23° / 15°	29	9.8	11.1	6.7
Jul	22° / 14°	30	10.1	11.2	6.6
Aug	23° / 14°	25	8.8	11.5	6.9
Sep	25° / 15°	25	7.7	11.9	7.2
Oct	26° / 17°	56	9.7	12.3	6.7
Nov	26° / 18°	124	14.2	12.7	5.7
Dec	27° / 18°	119	13.6	12.9	5.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 50%.

	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 (%)	51	50	50	49	49	49	49	48	49	49	49	50	51	51	52	51	51	52	51	52	51	51	50	51	50	50	49	48	48	47
Cloudier (%)	49	50	50	51	51	51	51	52	51	51	51	50	49	49	48	49	49	48	49	48	49	49	50	49	50	50	51	52	52	53

	Clearer (%)	Cloudier (%)
1	51	49
2	50	50
3	50	50
4	49	51
5	49	51
6	49	51
7	49	51
8	48	52
9	49	51
10	49	51
11	49	51
12	50	50
13	51	49
14	51	49
15	52	48
16	51	49
17	51	49
18	52	48
19	51	49
20	52	48
21	51	49
22	51	49
23	50	50
24	51	49
25	50	50
26	50	50
27	49	51
28	48	52
29	48	52
30	47	53

Chance of precipitation in September

Any precipitation

Planalto gets around 25 mm of rain over 7.7 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 26% and peaks near 27% 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 (%)	26	26	26	26	26	27	27	27	26	26	26	26	26	26	26	26	26	26	26	25	25	25	25	24	24	24	24	24	24	25

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

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 48% 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 (%)	7	7	7	7	7	7	7	7	7	7	6	6	6	5	5	5	4	4	4	3	3	3	3	3	2	2	2	2	2	2
Comfortable (%)	57	56	56	56	56	56	55	55	55	53	53	52	51	51	50	48	47	45	44	42	40	38	37	35	34	32	31	30	29	28
Humid (%)	36	37	37	37	37	37	38	38	38	39	40	41	42	43	44	46	47	49	50	53	55	56	57	59	61	62	63	64	65	66
Muggy (%)	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	2	2	2	2	2	2	3	3	3	3	4	4	4	4	4

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	7	57	36	0
2	7	56	37	0
3	7	56	37	0
4	7	56	37	0
5	7	56	37	0
6	7	56	37	0
7	7	55	38	0
8	7	55	38	0
9	7	55	38	0
10	7	53	39	1
11	6	53	40	1
12	6	52	41	1
13	6	51	42	1
14	5	51	43	1
15	5	50	44	1
16	5	48	46	2
17	4	47	47	2
18	4	45	49	2
19	4	44	50	2
20	3	42	53	2
21	3	40	55	2
22	3	38	56	3
23	3	37	57	3
24	3	35	59	3
25	2	34	61	3
26	2	32	62	4
27	2	31	63	4
28	2	30	64	4
29	2	29	65	4
30	2	28	66	4

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 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)	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12
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	12	light breeze
2	12	light breeze
3	12	light breeze
4	12	light breeze
5	12	light breeze
6	12	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	12	light breeze
20	12	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	light breeze

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 5:50 AM to 5:28 AM, and sunset from 5:33 PM to 5:35 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	11.7	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	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)	5:50	5:49	5:49	5:48	5:47	5:46	5:46	5:45	5:44	5:43	5:43	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	5:30	5:29	5:28	5:28
Sunset (PM)	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:35	5:35	5:35

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.08 kWh/m² in January across the year — September's 5.13 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)	4.8	4.8	4.8	4.8	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.4
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	4.8	Bright
2	4.8	Bright
3	4.8	Bright
4	4.8	Bright
5	4.9	Bright
6	4.9	Bright
7	4.9	Bright
8	5.0	Bright
9	5.0	Bright
10	5.0	Bright
11	5.0	Bright
12	5.1	Bright
13	5.1	Bright
14	5.1	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.2	Bright
19	5.2	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.3	Bright
24	5.3	Bright
25	5.3	Bright
26	5.4	Bright
27	5.4	Bright
28	5.4	Bright
29	5.4	Bright
30	5.4	Bright

Planning a trip in September

Hazard calendar for Planalto

In seasonPeak

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

Planalto's rainy season runs October–April, 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 Planalto?

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

7.2

Sightseeing

1st-best month of the year

6.4

Beach & pool

1st-best month of the year

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

What to pack for Planalto in September

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

In September, Planalto sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Planalto 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 Planalto peaks around February 17 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	16	15	12	9	8	8	10	11	13	14	13
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	16	Extreme
Mar	15	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	13	Extreme

Location & terrain

Where is Planalto?

Planalto sits at 14.7°S, 40.5°W, 946 m above sea level, in Brazil. The nearest listed city is Poções, 19 km away.

Topography around Planalto

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

Within 3 km, the terrain around Planalto has only modest variations in elevation — a maximum elevation change of 148 m around an average of 923 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 450 m; within 80 km, large variations in elevation — a maximum elevation change of 1,007 m.

The land around Planalto is covered by grassland (85%) within 3 km, grassland (62%) and trees (32%) within 16 km, and grassland (60%) and trees (29%) within 80 km.

3 km

148 m

grassland 85%

16 km

450 m

grassland 62%

80 km

1,007 m

grassland 60%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

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

September weather nearby: Poções 19 km · Barra do Choça 26 km · Iguaí 42 km · Vitória da Conquista 45 km · Itororó 66 km · Itambé 66 km · Itapetinga 69 km · Anagé 72 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 Planalto (-14.6697°, -40.4711°, elevation 946 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	24	15
2	24	15
3	24	15
4	24	15
5	24	15
6	24	15
7	24	15
8	24	15
9	24	15
10	24	15
11	24	15
12	24	15
13	25	15
14	25	15
15	25	15
16	25	15
17	25	15
18	25	15
19	25	15
20	25	16
21	25	16
22	25	16
23	25	16
24	25	16
25	25	16
26	25	16
27	26	16
28	26	16
29	26	16
30	26	16

	Clearer (%)	Cloudier (%)
1	51	49
2	50	50
3	50	50
4	49	51
5	49	51
6	49	51
7	49	51
8	48	52
9	49	51
10	49	51
11	49	51
12	50	50
13	51	49
14	51	49
15	52	48
16	51	49
17	51	49
18	52	48
19	51	49
20	52	48
21	51	49
22	51	49
23	50	50
24	51	49
25	50	50
26	50	50
27	49	51
28	48	52
29	48	52
30	47	53

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	7	57	36	0
2	7	56	37	0
3	7	56	37	0
4	7	56	37	0
5	7	56	37	0
6	7	56	37	0
7	7	55	38	0
8	7	55	38	0
9	7	55	38	0
10	7	53	39	1
11	6	53	40	1
12	6	52	41	1
13	6	51	42	1
14	5	51	43	1
15	5	50	44	1
16	5	48	46	2
17	4	47	47	2
18	4	45	49	2
19	4	44	50	2
20	3	42	53	2
21	3	40	55	2
22	3	38	56	3
23	3	37	57	3
24	3	35	59	3
25	2	34	61	3
26	2	32	62	4
27	2	31	63	4
28	2	30	64	4
29	2	29	65	4
30	2	28	66	4

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

	Clearer (%)	Cloudier (%)
1	51	49
2	50	50
3	50	50
4	49	51
5	49	51
6	49	51
7	49	51
8	48	52
9	49	51
10	49	51
11	49	51
12	50	50
13	51	49
14	51	49
15	52	48
16	51	49
17	51	49
18	52	48
19	51	49
20	52	48
21	51	49
22	51	49
23	50	50
24	51	49
25	50	50
26	50	50
27	49	51
28	48	52
29	48	52
30	47	53

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	7	57	36	0
2	7	56	37	0
3	7	56	37	0
4	7	56	37	0
5	7	56	37	0
6	7	56	37	0
7	7	55	38	0
8	7	55	38	0
9	7	55	38	0
10	7	53	39	1
11	6	53	40	1
12	6	52	41	1
13	6	51	42	1
14	5	51	43	1
15	5	50	44	1
16	5	48	46	2
17	4	47	47	2
18	4	45	49	2
19	4	44	50	2
20	3	42	53	2
21	3	40	55	2
22	3	38	56	3
23	3	37	57	3
24	3	35	59	3
25	2	34	61	3
26	2	32	62	4
27	2	31	63	4
28	2	30	64	4
29	2	29	65	4
30	2	28	66	4

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

	Clearer (%)	Cloudier (%)
1	51	49
2	50	50
3	50	50
4	49	51
5	49	51
6	49	51
7	49	51
8	48	52
9	49	51
10	49	51
11	49	51
12	50	50
13	51	49
14	51	49
15	52	48
16	51	49
17	51	49
18	52	48
19	51	49
20	52	48
21	51	49
22	51	49
23	50	50
24	51	49
25	50	50
26	50	50
27	49	51
28	48	52
29	48	52
30	47	53

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

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	7	57	36	0
2	7	56	37	0
3	7	56	37	0
4	7	56	37	0
5	7	56	37	0
6	7	56	37	0
7	7	55	38	0
8	7	55	38	0
9	7	55	38	0
10	7	53	39	1
11	6	53	40	1
12	6	52	41	1
13	6	51	42	1
14	5	51	43	1
15	5	50	44	1
16	5	48	46	2
17	4	47	47	2
18	4	45	49	2
19	4	44	50	2
20	3	42	53	2
21	3	40	55	2
22	3	38	56	3
23	3	37	57	3
24	3	35	59	3
25	2	34	61	3
26	2	32	62	4
27	2	31	63	4
28	2	30	64	4
29	2	29	65	4
30	2	28	66	4