Ruy Barbosa weather in September

In September, Ruy Barbosa sees average daytime highs of 29°C and overnight lows near 18°C, with 22 mm of rain across 7.8 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 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 28% 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 Ruy Barbosa's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Ruy Barbosa's year-round climate.

Daytime high: 29°; 8th warmest
Overnight low: 18°; 4th coldest
Rainfall: 22 mm; 7.8 wet days
Daylight: 11 h 54 min; 5:38 AM – 5:34 PM
Cloud cover: 54%; 2nd clearest
Wind: 11 km/h; 2nd windiest
Solar energy: 4.87 kWh/m²
Travel score: 6.0; out of 10

Ruy Barbosa is human settlement in Bahia, Brazil.

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

← August Ruy Barbosa 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 28°C in the first days to 30°C by the end.

A typical September day in Ruy Barbosa reaches about 29°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 26°C and 31°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)	28	28	28	28	28	28	28	28	28	28	28	28	28	29	29	29	29	29	29	29	29	29	29	29	30	30	30	30	30	30
Avg low (°C)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19

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

How September really feels in Ruy Barbosa

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.

Ruy Barbosa 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	31° / 21°	88	11.2	12.6	4.4
Feb	31° / 21°	57	11	12.4	4.2
Mar	31° / 21°	76	13.4	12.1	4.2
Apr	30° / 21°	48	12.6	11.7	4.8
May	28° / 20°	29	9	11.4	6.1
Jun	27° / 18°	26	9.3	11.3	6.6
Jul	26° / 17°	27	9.7	11.4	6.7
Aug	27° / 17°	25	9.2	11.6	6.6
Sep	29° / 18°	22	7.8	11.9	6.0
Oct	30° / 20°	36	7.7	12.3	5.1
Nov	31° / 21°	74	10	12.6	4.6
Dec	31° / 21°	73	9.5	12.7	4.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 30% of September, with mostly cloudy or overcast conditions the remaining 42%. 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 (%)	54	54	54	54	54	54	54	55	55	56	56	56	58	58	58	58	59	59	60	59	60	60	60	60	61	60	61	61	61	61
Cloudier (%)	46	46	46	46	46	46	46	45	45	44	44	44	42	42	42	42	41	41	40	41	40	40	40	40	39	40	39	39	39	39

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

Chance of precipitation in September

Any precipitation

Ruy Barbosa gets around 22 mm of rain over 7.8 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 27% and peaks near 28% 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 (%)	28	27	27	28	28	28	28	28	28	28	28	28	28	28	28	28	28	27	27	26	26	25	25	25	25	25	25	25	25	26

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

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 19% 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 (%)	12	12	13	13	13	13	13	12	12	12	12	11	11	10	10	9	9	9	8	8	8	7	7	7	7	7	6	6	6	6
Humid (%)	76	76	75	74	74	74	74	75	75	74	74	74	73	73	73	73	72	71	71	70	69	69	68	67	66	65	65	65	64	64
Muggy (%)	12	12	12	13	13	13	13	13	13	14	14	15	16	17	17	18	19	20	21	22	23	24	25	26	27	28	29	29	30	30

	Comfortable (%)	Humid (%)	Muggy (%)
1	12	76	12
2	12	76	12
3	13	75	12
4	13	74	13
5	13	74	13
6	13	74	13
7	13	74	13
8	12	75	13
9	12	75	13
10	12	74	14
11	12	74	14
12	11	74	15
13	11	73	16
14	10	73	17
15	10	73	17
16	9	73	18
17	9	72	19
18	9	71	20
19	8	71	21
20	8	70	22
21	8	69	23
22	7	69	24
23	7	68	25
24	7	67	26
25	7	66	27
26	7	65	28
27	6	65	29
28	6	65	29
29	6	64	30
30	6	64	30

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	11	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	11	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 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 5:49 AM to 5:28 AM, and sunset from 5:34 PM to 5:34 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	11.8	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	11.9	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1
Sunrise (AM)	5:49	5:48	5:48	5:47	5:46	5:45	5:45	5:44	5:43	5:43	5:42	5:41	5:40	5:40	5:39	5:38	5:38	5:37	5:36	5:35	5:35	5:34	5:33	5:33	5:32	5:31	5:30	5:30	5:29	5:28
Sunset (PM)	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	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.87 kWh/m².

For context, solar energy here swings from a low near 3.34 kWh/m² to a high of 5.9 kWh/m² in January across the year — September's 4.87 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)	4.4	4.5	4.5	4.5	4.5	4.6	4.6	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.9	4.9	5.0	5.0	5.0	5.0	5.1	5.1	5.2	5.2	5.2	5.2	5.3	5.3	5.3
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	4.4	Bright
2	4.5	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.6	Bright
7	4.6	Bright
8	4.6	Bright
9	4.7	Bright
10	4.7	Bright
11	4.7	Bright
12	4.8	Bright
13	4.8	Bright
14	4.8	Bright
15	4.8	Bright
16	4.9	Bright
17	4.9	Bright
18	5.0	Bright
19	5.0	Bright
20	5.0	Bright
21	5.0	Bright
22	5.1	Bright
23	5.1	Bright
24	5.2	Bright
25	5.2	Bright
26	5.2	Bright
27	5.2	Bright
28	5.3	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Is September a good time to visit Ruy Barbosa?

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

6.0

Sightseeing

5th-best month of the year

7.2

Beach & pool

1st-best month of the year

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

What to pack for Ruy Barbosa in September

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

In September, Ruy Barbosa sees daytime highs around 29°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

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

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

Location & terrain

Where is Ruy Barbosa?

Ruy Barbosa sits at 12.3°S, 40.5°W, 344 m above sea level, in Brazil. The nearest listed city is Itaberaba, 34 km away.

Topography around Ruy Barbosa

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

Within 3 km, the terrain around Ruy Barbosa has large variations in elevation — a maximum elevation change of 663 m around an average of 392 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 726 m; within 80 km, large variations in elevation — a maximum elevation change of 822 m.

The land around Ruy Barbosa is covered by grassland (51%) within 3 km, grassland (45%) and trees (33%) within 16 km, and grassland (49%), trees (29%) and shrubs (21%) within 80 km.

3 km

663 m

grassland 51%

16 km

726 m

grassland 45%

80 km

822 m

grassland 49%

treesshrubsgrasslandcroplandartificial surfaceswater

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

September weather nearby: Itaberaba 34 km · Boa Vista do Tupim 44 km · Mundo Novo 47 km · Baixa Grande 51 km · Tapiramutá 58 km · Iaçu 62 km · Piritiba 62 km · Utinga 69 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 Ruy Barbosa (-12.2839°, -40.4939°, elevation 344 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	28	18
2	28	18
3	28	18
4	28	18
5	28	18
6	28	18
7	28	18
8	28	18
9	28	18
10	28	18
11	28	18
12	28	18
13	28	18
14	29	18
15	29	18
16	29	18
17	29	18
18	29	19
19	29	19
20	29	19
21	29	19
22	29	19
23	29	19
24	29	19
25	30	19
26	30	19
27	30	19
28	30	19
29	30	19
30	30	19

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

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	12	76	12
2	12	76	12
3	13	75	12
4	13	74	13
5	13	74	13
6	13	74	13
7	13	74	13
8	12	75	13
9	12	75	13
10	12	74	14
11	12	74	14
12	11	74	15
13	11	73	16
14	10	73	17
15	10	73	17
16	9	73	18
17	9	72	19
18	9	71	20
19	8	71	21
20	8	70	22
21	8	69	23
22	7	69	24
23	7	68	25
24	7	67	26
25	7	66	27
26	7	65	28
27	6	65	29
28	6	65	29
29	6	64	30
30	6	64	30

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

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

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	12	76	12
2	12	76	12
3	13	75	12
4	13	74	13
5	13	74	13
6	13	74	13
7	13	74	13
8	12	75	13
9	12	75	13
10	12	74	14
11	12	74	14
12	11	74	15
13	11	73	16
14	10	73	17
15	10	73	17
16	9	73	18
17	9	72	19
18	9	71	20
19	8	71	21
20	8	70	22
21	8	69	23
22	7	69	24
23	7	68	25
24	7	67	26
25	7	66	27
26	7	65	28
27	6	65	29
28	6	65	29
29	6	64	30
30	6	64	30

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

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

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	12	76	12
2	12	76	12
3	13	75	12
4	13	74	13
5	13	74	13
6	13	74	13
7	13	74	13
8	12	75	13
9	12	75	13
10	12	74	14
11	12	74	14
12	11	74	15
13	11	73	16
14	10	73	17
15	10	73	17
16	9	73	18
17	9	72	19
18	9	71	20
19	8	71	21
20	8	70	22
21	8	69	23
22	7	69	24
23	7	68	25
24	7	67	26
25	7	66	27
26	7	65	28
27	6	65	29
28	6	65	29
29	6	64	30
30	6	64	30