Altinho weather in September

In September, Altinho sees average daytime highs of 26°C and overnight lows near 18°C, with 29 mm of rain across 11.1 wet days and about 12 hours of daylight. It is the 9th-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 17% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Altinho's 4th-clearest and 1st-windiest month. For the whole year in context, see Altinho's year-round climate.

Daytime high: 26°; 9th warmest
Overnight low: 18°; 3rd coldest
Rainfall: 29 mm; 11.1 wet days
Daylight: 12 hours; 5:20 AM – 5:17 PM
Cloud cover: 57%; 4th clearest
Wind: 12 km/h; 1st windiest
Solar energy: 5.29 kWh/m²
Travel score: 6.5; out of 10

Altinho is human settlement in Brazil.

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

← August Altinho 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 Altinho reaches about 26°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 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°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	25	26	26	26	26	26	26	26	26	26	26	26	26	26	26	27	27	27	27	27	27	27	27
Avg low (°C)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19

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

Altinho weather by month

How September compares with the rest of the year at a glance. September is the 9th-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	29° / 20°	46	12.9	12.4	5.1
Feb	29° / 21°	47	12.3	12.3	4.9
Mar	29° / 21°	59	15.3	12.1	4.8
Apr	28° / 21°	59	15.1	11.8	5.2
May	27° / 20°	64	16.3	11.6	5.6
Jun	25° / 19°	67	17	11.5	5.7
Jul	24° / 18°	56	17	11.6	5.8
Aug	25° / 18°	40	14.7	11.7	6.1
Sep	26° / 18°	29	11.1	12	6.5
Oct	28° / 19°	22	7.4	12.2	6.7
Nov	29° / 20°	17	6	12.4	6.1
Dec	29° / 20°	23	7.9	12.5	5.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 38% of September, with mostly cloudy or overcast conditions the remaining 45%. 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 (%)	45	45	45	45	47	47	47	48	48	48	49	49	51	51	53	53	55	56	57	58	60	61	62	63	64	66	67	67	67	66
Cloudier (%)	55	55	55	55	53	53	53	52	52	52	51	51	49	49	47	47	45	44	43	42	40	39	38	37	36	34	33	33	33	34

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	45	55
4	45	55
5	47	53
6	47	53
7	47	53
8	48	52
9	48	52
10	48	52
11	49	51
12	49	51
13	51	49
14	51	49
15	53	47
16	53	47
17	55	45
18	56	44
19	57	43
20	58	42
21	60	40
22	61	39
23	62	38
24	63	37
25	64	36
26	66	34
27	67	33
28	67	33
29	67	33
30	66	34

Chance of precipitation in September

Any precipitation

Altinho gets around 29 mm of rain over 11.1 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 36% and peaks near 44% 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 (%)	44	44	44	44	44	44	44	44	44	43	43	42	41	40	39	37	36	35	34	32	31	30	29	28	27	26	25	25	24	24

	Rain chance (%)
1	44
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	42
13	41
14	40
15	39
16	37
17	36
18	35
19	34
20	32
21	31
22	30
23	29
24	28
25	27
26	26
27	25
28	25
29	24
30	24

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 55% 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 (%)	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Humid (%)	47	47	46	46	46	46	46	45	45	45	45	46	46	46	45	45	45	45	45	45	44	44	44	43	43	42	41	41	40	39
Muggy (%)	52	52	53	53	53	53	53	54	54	54	54	54	54	54	55	55	55	55	55	55	56	56	56	57	57	58	59	59	60	61

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	47	52
2	1	47	52
3	1	46	53
4	1	46	53
5	1	46	53
6	1	46	53
7	1	46	53
8	1	45	54
9	1	45	54
10	1	45	54
11	1	45	54
12	0	46	54
13	0	46	54
14	0	46	54
15	0	45	55
16	0	45	55
17	0	45	55
18	0	45	55
19	0	45	55
20	0	45	55
21	0	44	56
22	0	44	56
23	0	44	56
24	0	43	57
25	0	43	57
26	0	42	58
27	0	41	59
28	0	41	59
29	0	40	60
30	0	39	61

Wind in September

Winds average 12 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 12 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	12	12	12	12	12	12	12	12	12	12	12	12	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	12	light breeze
8	12	light breeze
9	12	light breeze
10	12	light breeze
11	12	light breeze
12	12	light breeze
13	12	light breeze
14	12	light breeze
15	12	light breeze
16	12	light breeze
17	12	light breeze
18	12	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 48 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 18 minutes over September. Sunrise moves from 5:29 AM to 5:12 AM, and sunset from 5:19 PM to 5:16 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)	11.8	11.8	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	12.1	12.1	12.1
Sunrise (AM)	5:29	5:28	5:28	5:27	5:27	5:26	5:25	5:25	5:24	5:24	5:23	5:22	5:22	5:21	5:21	5:20	5:19	5:19	5:18	5:17	5:17	5:16	5:16	5:15	5:14	5:14	5:13	5:13	5:12	5:12
Sunset (PM)	5:19	5:19	5:19	5:19	5:19	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:18	5:17	5:17	5:17	5:17	5:17	5:17	5:17	5:17	5:16	5:16	5:16	5:16	5:16	5:16	5:16	5:16	5:16

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	5:29	5:19
2	11.8	5:28	5:19
3	11.9	5:28	5:19
4	11.9	5:27	5:19
5	11.9	5:27	5:19
6	11.9	5:26	5:18
7	11.9	5:25	5:18
8	11.9	5:25	5:18
9	11.9	5:24	5:18
10	11.9	5:24	5:18
11	11.9	5:23	5:18
12	11.9	5:22	5:18
13	11.9	5:22	5:18
14	11.9	5:21	5:17
15	11.9	5:21	5:17
16	12.0	5:20	5:17
17	12.0	5:19	5:17
18	12.0	5:19	5:17
19	12.0	5:18	5:17
20	12.0	5:17	5:17
21	12.0	5:17	5:17
22	12.0	5:16	5:16
23	12.0	5:16	5:16
24	12.0	5:15	5:16
25	12.0	5:14	5:16
26	12.0	5:14	5:16
27	12.0	5:13	5:16
28	12.1	5:13	5:16
29	12.1	5:12	5:16
30	12.1	5:12	5:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.29 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.12 kWh/m² in November across the year — September's 5.29 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)	4.9	4.9	4.9	4.9	5.0	5.0	5.0	5.0	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.6	5.7	5.7	5.7	5.7
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	4.9	Bright
2	4.9	Bright
3	4.9	Bright
4	4.9	Bright
5	5.0	Bright
6	5.0	Bright
7	5.0	Bright
8	5.0	Bright
9	5.0	Bright
10	5.1	Bright
11	5.1	Bright
12	5.1	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.3	Bright
17	5.3	Bright
18	5.3	Bright
19	5.4	Bright
20	5.4	Bright
21	5.5	Bright
22	5.5	Bright
23	5.5	Bright
24	5.6	Bright
25	5.6	Bright
26	5.6	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright

Planning a trip in September

Is September a good time to visit Altinho?

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

6.5

Sightseeing

2nd-best month of the year

6.3

Beach & pool

6th-best month of the year

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

What to pack for Altinho in September

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

In September, Altinho sees daytime highs around 26°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Altinho in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Altinho peaks around March 15 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)	14	15	16	14	11	10	10	10	13	13	13	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme

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

Location & terrain

Where is Altinho?

Altinho sits at 8.5°S, 36.1°W, 458 m above sea level, in Brazil. The nearest listed city is Agrestina, 13 km away.

Topography around Altinho

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

Within 3 km, the terrain around Altinho has only modest variations in elevation — a maximum elevation change of 118 m around an average of 449 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 655 m; within 80 km, large variations in elevation — a maximum elevation change of 1,155 m.

The land around Altinho is covered by cropland (47%) and grassland (45%) within 3 km, grassland (63%) within 16 km, and grassland (62%) within 80 km.

3 km

118 m

cropland 47%

16 km

655 m

grassland 63%

80 km

1,155 m

grassland 62%

treesshrubsgrasslandcroplandartificial surfaces

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

September weather nearby: Agrestina 13 km · Cupira 19 km · Cachoeirinha 19 km · Panelas 20 km · São Caitano 20 km · Caruaru 25 km · São Joaquim do Monte 29 km · Lajedo 35 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 Altinho (-8.4897°, -36.0594°, elevation 458 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	18
2	25	18
3	25	18
4	25	18
5	25	18
6	25	18
7	25	18
8	25	18
9	26	18
10	26	18
11	26	18
12	26	18
13	26	18
14	26	18
15	26	18
16	26	18
17	26	18
18	26	18
19	26	18
20	26	18
21	26	18
22	26	18
23	27	18
24	27	18
25	27	18
26	27	18
27	27	19
28	27	19
29	27	19
30	27	19

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	45	55
4	45	55
5	47	53
6	47	53
7	47	53
8	48	52
9	48	52
10	48	52
11	49	51
12	49	51
13	51	49
14	51	49
15	53	47
16	53	47
17	55	45
18	56	44
19	57	43
20	58	42
21	60	40
22	61	39
23	62	38
24	63	37
25	64	36
26	66	34
27	67	33
28	67	33
29	67	33
30	66	34

	Rain chance (%)
1	44
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	42
13	41
14	40
15	39
16	37
17	36
18	35
19	34
20	32
21	31
22	30
23	29
24	28
25	27
26	26
27	25
28	25
29	24
30	24

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	47	52
2	1	47	52
3	1	46	53
4	1	46	53
5	1	46	53
6	1	46	53
7	1	46	53
8	1	45	54
9	1	45	54
10	1	45	54
11	1	45	54
12	0	46	54
13	0	46	54
14	0	46	54
15	0	45	55
16	0	45	55
17	0	45	55
18	0	45	55
19	0	45	55
20	0	45	55
21	0	44	56
22	0	44	56
23	0	44	56
24	0	43	57
25	0	43	57
26	0	42	58
27	0	41	59
28	0	41	59
29	0	40	60
30	0	39	61

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

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	45	55
4	45	55
5	47	53
6	47	53
7	47	53
8	48	52
9	48	52
10	48	52
11	49	51
12	49	51
13	51	49
14	51	49
15	53	47
16	53	47
17	55	45
18	56	44
19	57	43
20	58	42
21	60	40
22	61	39
23	62	38
24	63	37
25	64	36
26	66	34
27	67	33
28	67	33
29	67	33
30	66	34

	Rain chance (%)
1	44
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	42
13	41
14	40
15	39
16	37
17	36
18	35
19	34
20	32
21	31
22	30
23	29
24	28
25	27
26	26
27	25
28	25
29	24
30	24

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	47	52
2	1	47	52
3	1	46	53
4	1	46	53
5	1	46	53
6	1	46	53
7	1	46	53
8	1	45	54
9	1	45	54
10	1	45	54
11	1	45	54
12	0	46	54
13	0	46	54
14	0	46	54
15	0	45	55
16	0	45	55
17	0	45	55
18	0	45	55
19	0	45	55
20	0	45	55
21	0	44	56
22	0	44	56
23	0	44	56
24	0	43	57
25	0	43	57
26	0	42	58
27	0	41	59
28	0	41	59
29	0	40	60
30	0	39	61

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

	Clearer (%)	Cloudier (%)
1	45	55
2	45	55
3	45	55
4	45	55
5	47	53
6	47	53
7	47	53
8	48	52
9	48	52
10	48	52
11	49	51
12	49	51
13	51	49
14	51	49
15	53	47
16	53	47
17	55	45
18	56	44
19	57	43
20	58	42
21	60	40
22	61	39
23	62	38
24	63	37
25	64	36
26	66	34
27	67	33
28	67	33
29	67	33
30	66	34

	Rain chance (%)
1	44
2	44
3	44
4	44
5	44
6	44
7	44
8	44
9	44
10	43
11	43
12	42
13	41
14	40
15	39
16	37
17	36
18	35
19	34
20	32
21	31
22	30
23	29
24	28
25	27
26	26
27	25
28	25
29	24
30	24

	Comfortable (%)	Humid (%)	Muggy (%)
1	1	47	52
2	1	47	52
3	1	46	53
4	1	46	53
5	1	46	53
6	1	46	53
7	1	46	53
8	1	45	54
9	1	45	54
10	1	45	54
11	1	45	54
12	0	46	54
13	0	46	54
14	0	46	54
15	0	45	55
16	0	45	55
17	0	45	55
18	0	45	55
19	0	45	55
20	0	45	55
21	0	44	56
22	0	44	56
23	0	44	56
24	0	43	57
25	0	43	57
26	0	42	58
27	0	41	59
28	0	41	59
29	0	40	60
30	0	39	61