Sento Sé weather in September

In September, Sento Sé sees average daytime highs of 31°C and overnight lows near 22°C, with 1 mm of rain across 0.2 wet days and about 11.9 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 74% 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 Sento Sé's 1st-clearest and 1st-windiest month. For the whole year in context, see Sento Sé's year-round climate.

Daytime high: 31°; 3rd warmest
Overnight low: 22°; 4th coldest
Rainfall: 1 mm; 0.2 wet days
Daylight: 11 h 54 min; 5:43 AM – 5:40 PM
Cloud cover: 26%; 1st clearest
Wind: 17 km/h; 1st windiest
Solar energy: 6.76 kWh/m²
Travel score: 5.7; out of 10

← August Sento Sé 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

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Sento Sé reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 33°C. Set against its neighbours, September runs about 1°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)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	32	32	32	32	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	32	22
18	32	22
19	32	22
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	23
29	32	23
30	32	23

How September really feels in Sento Sé

Once humidity and wind are folded in, September averages 14 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

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sento Sé weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 24°	113	11.9	12.5	4.4
Feb	31° / 24°	97	12	12.3	4.3
Mar	31° / 24°	115	14.1	12.1	4.2
Apr	31° / 24°	55	8.1	11.8	4.9
May	30° / 23°	11	2.2	11.6	5.7
Jun	30° / 22°	2	0.4	11.4	6.6
Jul	29° / 21°	0	0.1	11.5	6.9
Aug	30° / 21°	0	0	11.7	6.5
Sep	31° / 22°	1	0.2	11.9	5.7
Oct	32° / 24°	14	1.7	12.2	4.9
Nov	32° / 25°	51	5.5	12.4	4.6
Dec	31° / 25°	67	8.2	12.6	4.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 13%.

	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 (%)	85	85	85	85	85	85	86	87	87	87	88	89	89	89	90	90	90	90	89	89	89	89	89	88	88	87	86	86	86	86
Cloudier (%)	15	15	15	15	15	15	14	13	13	13	12	11	11	11	10	10	10	10	11	11	11	11	11	12	12	13	14	14	14	14

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	85	15
4	85	15
5	85	15
6	85	15
7	86	14
8	87	13
9	87	13
10	87	13
11	88	12
12	89	11
13	89	11
14	89	11
15	90	10
16	90	10
17	90	10
18	90	10
19	89	11
20	89	11
21	89	11
22	89	11
23	89	11
24	88	12
25	88	12
26	87	13
27	86	14
28	86	14
29	86	14
30	86	14

Chance of precipitation in September

Any precipitation

Sento Sé gets around 1 mm of rain over 0.2 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 0% and peaks near 1% 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 (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1

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 75% 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 (%)	8	8	8	8	8	8	8	9	9	9	9	9	8	8	8	8	7	7	7	7	6	6	5	5	5	4	4	3	3	3
Humid (%)	83	83	82	82	81	81	80	79	78	78	77	76	77	76	75	74	75	74	73	72	72	70	70	69	68	68	67	67	67	65
Muggy (%)	9	9	10	10	11	11	12	12	13	13	14	15	15	16	17	18	18	19	20	21	22	24	25	26	27	28	29	30	30	31
Oppressive (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	8	83	9	0
2	8	83	9	0
3	8	82	10	0
4	8	82	10	0
5	8	81	11	0
6	8	81	11	0
7	8	80	12	0
8	9	79	12	0
9	9	78	13	0
10	9	78	13	0
11	9	77	14	0
12	9	76	15	0
13	8	77	15	0
14	8	76	16	0
15	8	75	17	0
16	8	74	18	0
17	7	75	18	0
18	7	74	19	0
19	7	73	20	0
20	7	72	21	0
21	6	72	22	0
22	6	70	24	0
23	5	70	25	0
24	5	69	26	0
25	5	68	27	0
26	4	68	28	0
27	4	67	29	0
28	3	67	30	0
29	3	67	30	0
30	3	65	31	1

Wind in September

Winds average 17 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 17 km/h on the calmest days to 17 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)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17
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	17	light breeze
2	17	light breeze
3	17	light breeze
4	17	light breeze
5	17	light breeze
6	17	light breeze
7	17	light breeze
8	17	light breeze
9	17	light breeze
10	17	light breeze
11	17	light breeze
12	17	light breeze
13	17	light breeze
14	17	light breeze
15	17	light breeze
16	17	light breeze
17	17	light breeze
18	17	light breeze
19	17	light breeze
20	17	light breeze
21	17	light breeze
22	17	light breeze
23	17	light breeze
24	17	light breeze
25	17	light breeze
26	17	light breeze
27	17	light breeze
28	17	light breeze
29	17	light breeze
30	17	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 5:53 AM to 5:35 AM, and sunset from 5:42 PM to 5:39 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	11.9	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	12.1	12.1	12.1
Sunrise (AM)	5:53	5:52	5:52	5:51	5:50	5:50	5:49	5:49	5:48	5:47	5:47	5:46	5:45	5:45	5:44	5:43	5:43	5:42	5:42	5:41	5:40	5:40	5:39	5:38	5:38	5:37	5:36	5:36	5:35	5:35
Sunset (PM)	5:42	5:42	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:41	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:40	5:39	5:39	5:39	5:39	5:39	5:39

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

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.76 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 7 kWh/m² in October across the year — September's 6.76 kWh/m² sits near the top of that range.

	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)	6.5	6.5	6.5	6.5	6.5	6.5	6.6	6.6	6.6	6.6	6.7	6.7	6.7	6.7	6.8	6.8	6.8	6.8	6.9	6.9	6.9	6.9	6.9	7.0	7.0	7.0	7.0	7.0	7.0	7.0
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.5	Intense
2	6.5	Intense
3	6.5	Intense
4	6.5	Intense
5	6.5	Intense
6	6.5	Intense
7	6.6	Intense
8	6.6	Intense
9	6.6	Intense
10	6.6	Intense
11	6.7	Intense
12	6.7	Intense
13	6.7	Intense
14	6.7	Intense
15	6.8	Intense
16	6.8	Intense
17	6.8	Intense
18	6.8	Intense
19	6.9	Intense
20	6.9	Intense
21	6.9	Intense
22	6.9	Intense
23	6.9	Intense
24	7.0	Intense
25	7.0	Intense
26	7.0	Intense
27	7.0	Intense
28	7.0	Intense
29	7.0	Intense
30	7.0	Intense

Planning a trip in September

Hazard calendar for Sento Sé

In seasonPeak

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

Sento Sé's rainy season runs December–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 Sento Sé?

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

5.7

Sightseeing

4th-best month of the year

8.6

Beach & pool

4th-best month of the year

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

What to pack for Sento Sé in September

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

In September, Sento Sé sees daytime highs around 31°C and nights near 22°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Sento Sé 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 Sento Sé peaks around March 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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	15	13	10	10	9	10	12	12	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	15	Extreme
Apr	13	Extreme
May	10	Extreme
Jun	10	Very high
Jul	9	Very high
Aug	10	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	13	Extreme
Dec	12	Extreme

Location & terrain

Where is Sento Sé?

Sento Sé sits at 9.7°S, 41.9°W, 408 m above sea level, in Brazil. The nearest listed city is Remanso, 26 km away.

Topography around Sento Sé

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

Within 3 km, the terrain around Sento Sé has significant variations in elevation — a maximum elevation change of 259 m around an average of 417 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 430 m; within 80 km, large variations in elevation — a maximum elevation change of 942 m.

The land around Sento Sé is covered by shrubs (39%), grassland (20%) and water (20%) within 3 km, water (45%) and shrubs (39%) within 16 km, and shrubs (80%) within 80 km.

3 km

259 m

shrubs 39%

16 km

430 m

water 45%

80 km

942 m

shrubs 80%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

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

September weather nearby: Remanso 26 km · Pilão Arcado 71 km · Casa Nova 118 km · São Raimundo Nonato 121 km · Sobradinho 123 km · Campo Alegre de Lourdes 126 km · Jussara 145 km · Xique-Xique 151 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 Sento Sé (-9.7458°, -41.8853°, elevation 408 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	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	32	22
18	32	22
19	32	22
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	23
29	32	23
30	32	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	85	15
4	85	15
5	85	15
6	85	15
7	86	14
8	87	13
9	87	13
10	87	13
11	88	12
12	89	11
13	89	11
14	89	11
15	90	10
16	90	10
17	90	10
18	90	10
19	89	11
20	89	11
21	89	11
22	89	11
23	89	11
24	88	12
25	88	12
26	87	13
27	86	14
28	86	14
29	86	14
30	86	14

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	8	83	9	0
2	8	83	9	0
3	8	82	10	0
4	8	82	10	0
5	8	81	11	0
6	8	81	11	0
7	8	80	12	0
8	9	79	12	0
9	9	78	13	0
10	9	78	13	0
11	9	77	14	0
12	9	76	15	0
13	8	77	15	0
14	8	76	16	0
15	8	75	17	0
16	8	74	18	0
17	7	75	18	0
18	7	74	19	0
19	7	73	20	0
20	7	72	21	0
21	6	72	22	0
22	6	70	24	0
23	5	70	25	0
24	5	69	26	0
25	5	68	27	0
26	4	68	28	0
27	4	67	29	0
28	3	67	30	0
29	3	67	30	0
30	3	65	31	1

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	32	22
18	32	22
19	32	22
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	23
29	32	23
30	32	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	85	15
4	85	15
5	85	15
6	85	15
7	86	14
8	87	13
9	87	13
10	87	13
11	88	12
12	89	11
13	89	11
14	89	11
15	90	10
16	90	10
17	90	10
18	90	10
19	89	11
20	89	11
21	89	11
22	89	11
23	89	11
24	88	12
25	88	12
26	87	13
27	86	14
28	86	14
29	86	14
30	86	14

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	8	83	9	0
2	8	83	9	0
3	8	82	10	0
4	8	82	10	0
5	8	81	11	0
6	8	81	11	0
7	8	80	12	0
8	9	79	12	0
9	9	78	13	0
10	9	78	13	0
11	9	77	14	0
12	9	76	15	0
13	8	77	15	0
14	8	76	16	0
15	8	75	17	0
16	8	74	18	0
17	7	75	18	0
18	7	74	19	0
19	7	73	20	0
20	7	72	21	0
21	6	72	22	0
22	6	70	24	0
23	5	70	25	0
24	5	69	26	0
25	5	68	27	0
26	4	68	28	0
27	4	67	29	0
28	3	67	30	0
29	3	67	30	0
30	3	65	31	1

	Avg high (°C)	Avg low (°C)
1	31	22
2	31	22
3	31	22
4	31	22
5	31	22
6	31	22
7	31	22
8	31	22
9	31	22
10	31	22
11	31	22
12	31	22
13	31	22
14	31	22
15	31	22
16	31	22
17	32	22
18	32	22
19	32	22
20	32	23
21	32	23
22	32	23
23	32	23
24	32	23
25	32	23
26	32	23
27	32	23
28	32	23
29	32	23
30	32	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	85	15
4	85	15
5	85	15
6	85	15
7	86	14
8	87	13
9	87	13
10	87	13
11	88	12
12	89	11
13	89	11
14	89	11
15	90	10
16	90	10
17	90	10
18	90	10
19	89	11
20	89	11
21	89	11
22	89	11
23	89	11
24	88	12
25	88	12
26	87	13
27	86	14
28	86	14
29	86	14
30	86	14

	Rain chance (%)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	0
12	0
13	0
14	0
15	0
16	0
17	1
18	1
19	1
20	1
21	1
22	1
23	1
24	1
25	1
26	1
27	1
28	1
29	1
30	1

	Comfortable (%)	Humid (%)	Muggy (%)	Oppressive (%)
1	8	83	9	0
2	8	83	9	0
3	8	82	10	0
4	8	82	10	0
5	8	81	11	0
6	8	81	11	0
7	8	80	12	0
8	9	79	12	0
9	9	78	13	0
10	9	78	13	0
11	9	77	14	0
12	9	76	15	0
13	8	77	15	0
14	8	76	16	0
15	8	75	17	0
16	8	74	18	0
17	7	75	18	0
18	7	74	19	0
19	7	73	20	0
20	7	72	21	0
21	6	72	22	0
22	6	70	24	0
23	5	70	25	0
24	5	69	26	0
25	5	68	27	0
26	4	68	28	0
27	4	67	29	0
28	3	67	30	0
29	3	67	30	0
30	3	65	31	1