São Bento do Una weather in September

In September, São Bento do Una sees average daytime highs of 27°C and overnight lows near 18°C, with 9 mm of rain across 3.2 wet days and about 12 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels humid.

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 São Bento do Una's 3rd-clearest and 1st-windiest month. For the whole year in context, see São Bento do Una's year-round climate.

Daytime high: 27°; 8th warmest
Overnight low: 18°; 3rd coldest
Rainfall: 9 mm; 3.2 wet days
Daylight: 12 hours; 5:21 AM – 5:19 PM
Cloud cover: 51%; 3rd clearest
Wind: 15 km/h; 1st windiest
Solar energy: 5.72 kWh/m²
Travel score: 7.4; out of 10

← August São Bento do Una 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 26°C in the first days to 28°C by the end.

A typical September day in São Bento do Una reaches about 27°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs about 2°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)	26	26	26	26	26	27	27	27	27	27	27	27	27	27	27	27	27	27	28	28	28	28	28	28	28	28	28	28	29	29
Avg low (°C)	17	17	17	17	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18

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

São Bento do Una 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	30° / 20°	32	8	12.4	5.3
Feb	30° / 20°	32	7.8	12.3	5.2
Mar	30° / 20°	42	10	12.1	5.1
Apr	29° / 20°	41	9.8	11.8	5.6
May	27° / 19°	38	10	11.6	6.4
Jun	25° / 18°	34	8.2	11.5	6.9
Jul	25° / 17°	25	8.2	11.6	7.0
Aug	25° / 17°	16	6.6	11.7	7.2
Sep	27° / 18°	9	3.2	12	7.4
Oct	29° / 18°	8	2.1	12.2	6.5
Nov	30° / 19°	9	1.9	12.4	6.0
Dec	30° / 19°	13	3.6	12.5	5.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 29% of September, with mostly cloudy or overcast conditions the remaining 40%. 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 (%)	51	51	51	51	51	52	52	52	52	53	53	54	54	56	57	58	59	61	62	65	66	68	69	71	72	73	74	75	75	76
Cloudier (%)	49	49	49	49	49	48	48	48	48	47	47	46	46	44	43	42	41	39	38	35	34	32	31	29	28	27	26	25	25	24

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	52	48
7	52	48
8	52	48
9	52	48
10	53	47
11	53	47
12	54	46
13	54	46
14	56	44
15	57	43
16	58	42
17	59	41
18	61	39
19	62	38
20	65	35
21	66	34
22	68	32
23	69	31
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24

Chance of precipitation in September

Any precipitation

São Bento do Una gets around 9 mm of rain over 3.2 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 11% and peaks near 16% 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 (%)	16	15	15	15	15	15	15	15	15	15	14	14	14	13	13	12	11	10	9	8	7	7	6	5	5	4	4	4	4	4

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

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 6% 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 (%)	8	8	8	8	8	9	9	9	10	10	10	10	10	10	10	10	10	9	9	9	8	8	8	7	7	7	7	6	6	6
Humid (%)	87	86	86	86	86	85	85	84	83	83	83	83	83	83	84	84	84	85	85	86	87	87	87	89	89	89	89	90	90	90
Muggy (%)	5	6	6	6	6	6	6	7	7	7	7	7	7	7	6	6	6	6	6	5	5	5	5	4	4	4	4	4	4	4

	Comfortable (%)	Humid (%)	Muggy (%)
1	8	87	5
2	8	86	6
3	8	86	6
4	8	86	6
5	8	86	6
6	9	85	6
7	9	85	6
8	9	84	7
9	10	83	7
10	10	83	7
11	10	83	7
12	10	83	7
13	10	83	7
14	10	83	7
15	10	84	6
16	10	84	6
17	10	84	6
18	9	85	6
19	9	85	6
20	9	86	5
21	8	87	5
22	8	87	5
23	8	87	5
24	7	89	4
25	7	89	4
26	7	89	4
27	7	89	4
28	6	90	4
29	6	90	4
30	6	90	4

Wind in September

Winds average 15 km/h in September, the windiest month of the year.

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

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.72 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 6.57 kWh/m² in November across the year — September's 5.72 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)	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.7	5.7	5.8	5.8	5.9	5.9	6.0	6.0	6.0	6.1	6.1	6.2	6.2	6.2	6.3	6.3
Level	Bright	Bright	Bright	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

	Solar energy (kWh/m²)	Level
1	5.2	Bright
2	5.2	Bright
3	5.3	Bright
4	5.3	Bright
5	5.3	Bright
6	5.3	Bright
7	5.3	Bright
8	5.4	Bright
9	5.4	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.6	Bright
14	5.6	Bright
15	5.7	Bright
16	5.7	Bright
17	5.8	Bright
18	5.8	Bright
19	5.9	Bright
20	5.9	Bright
21	6.0	Bright
22	6.0	Intense
23	6.0	Intense
24	6.1	Intense
25	6.1	Intense
26	6.2	Intense
27	6.2	Intense
28	6.2	Intense
29	6.3	Intense
30	6.3	Intense

Planning a trip in September

Is September a good time to visit São Bento do Una?

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

7.4

Sightseeing

1st-best month of the year

7.8

Beach & pool

4th-best month of the year

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

What to pack for São Bento do Una in September

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

In September, São Bento do Una sees daytime highs around 27°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in São Bento do Una 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 São Bento do Una peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 São Bento do Una?

São Bento do Una sits at 8.5°S, 36.4°W, 630 m above sea level, in Brazil. The nearest listed city is Lajedo, 21 km away.

Topography around São Bento do Una

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Bento do Una.

Within 3 km, the terrain around São Bento do Una has only modest variations in elevation — a maximum elevation change of 192 m around an average of 626 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 345 m; within 80 km, large variations in elevation — a maximum elevation change of 1,047 m.

The land around São Bento do Una is covered by grassland (45%) and cropland (29%) within 3 km, grassland (47%), cropland (30%) and shrubs (20%) within 16 km, and grassland (52%) and shrubs (30%) within 80 km.

3 km

192 m

grassland 45%

16 km

345 m

grassland 47%

80 km

1,047 m

grassland 52%

treesshrubsgrasslandcroplandartificial surfaces

← August São Bento do Una year-round climate October →Best places to visit in September

September weather nearby: Lajedo 21 km · Belo Jardim 21 km · Jupi 21 km · Sanharó 22 km · Cachoeirinha 24 km · Capoeiras 31 km · Pesqueira 33 km · Caetés 34 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 São Bento do Una (-8.5228°, -36.4444°, elevation 630 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	17
2	26	17
3	26	17
4	26	17
5	26	17
6	27	17
7	27	17
8	27	18
9	27	18
10	27	18
11	27	18
12	27	18
13	27	18
14	27	18
15	27	18
16	27	18
17	27	18
18	27	18
19	28	18
20	28	18
21	28	18
22	28	18
23	28	18
24	28	18
25	28	18
26	28	18
27	28	18
28	28	18
29	29	18
30	29	18

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	52	48
7	52	48
8	52	48
9	52	48
10	53	47
11	53	47
12	54	46
13	54	46
14	56	44
15	57	43
16	58	42
17	59	41
18	61	39
19	62	38
20	65	35
21	66	34
22	68	32
23	69	31
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	8	87	5
2	8	86	6
3	8	86	6
4	8	86	6
5	8	86	6
6	9	85	6
7	9	85	6
8	9	84	7
9	10	83	7
10	10	83	7
11	10	83	7
12	10	83	7
13	10	83	7
14	10	83	7
15	10	84	6
16	10	84	6
17	10	84	6
18	9	85	6
19	9	85	6
20	9	86	5
21	8	87	5
22	8	87	5
23	8	87	5
24	7	89	4
25	7	89	4
26	7	89	4
27	7	89	4
28	6	90	4
29	6	90	4
30	6	90	4

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	52	48
7	52	48
8	52	48
9	52	48
10	53	47
11	53	47
12	54	46
13	54	46
14	56	44
15	57	43
16	58	42
17	59	41
18	61	39
19	62	38
20	65	35
21	66	34
22	68	32
23	69	31
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	8	87	5
2	8	86	6
3	8	86	6
4	8	86	6
5	8	86	6
6	9	85	6
7	9	85	6
8	9	84	7
9	10	83	7
10	10	83	7
11	10	83	7
12	10	83	7
13	10	83	7
14	10	83	7
15	10	84	6
16	10	84	6
17	10	84	6
18	9	85	6
19	9	85	6
20	9	86	5
21	8	87	5
22	8	87	5
23	8	87	5
24	7	89	4
25	7	89	4
26	7	89	4
27	7	89	4
28	6	90	4
29	6	90	4
30	6	90	4

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	52	48
7	52	48
8	52	48
9	52	48
10	53	47
11	53	47
12	54	46
13	54	46
14	56	44
15	57	43
16	58	42
17	59	41
18	61	39
19	62	38
20	65	35
21	66	34
22	68	32
23	69	31
24	71	29
25	72	28
26	73	27
27	74	26
28	75	25
29	75	25
30	76	24

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	8	87	5
2	8	86	6
3	8	86	6
4	8	86	6
5	8	86	6
6	9	85	6
7	9	85	6
8	9	84	7
9	10	83	7
10	10	83	7
11	10	83	7
12	10	83	7
13	10	83	7
14	10	83	7
15	10	84	6
16	10	84	6
17	10	84	6
18	9	85	6
19	9	85	6
20	9	86	5
21	8	87	5
22	8	87	5
23	8	87	5
24	7	89	4
25	7	89	4
26	7	89	4
27	7	89	4
28	6	90	4
29	6	90	4
30	6	90	4