São Caitano weather in September

In September, São Caitano sees average daytime highs of 28°C and overnight lows near 18°C, with 10 mm of rain across 3.6 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°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 São Caitano's 2nd-clearest and 1st-windiest month. For the whole year in context, see São Caitano's year-round climate.

Daytime high: 28°; 9th warmest
Overnight low: 18°; 3rd coldest
Rainfall: 10 mm; 3.6 wet days
Daylight: 12 hours; 5:20 AM – 5:18 PM
Cloud cover: 52%; 2nd clearest
Wind: 14 km/h; 1st windiest
Solar energy: 5.59 kWh/m²
Travel score: 7.1; out of 10

← August São Caitano 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 27°C in the first days to 29°C by the end.

A typical September day in São Caitano reaches about 28°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°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)	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	29	29	29	29	29
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	19	19	19	19	19	19	19	19

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

São Caitano weather by month

How September compares with the rest of the year at a glance. September is the 9th-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	30° / 21°	38	8.9	12.4	4.9
Feb	30° / 21°	33	8.5	12.3	4.8
Mar	30° / 21°	44	11.3	12.1	4.7
Apr	29° / 21°	38	10.1	11.8	5.2
May	28° / 20°	39	9	11.6	6.3
Jun	26° / 19°	36	8	11.5	6.8
Jul	25° / 18°	26	8	11.6	6.9
Aug	26° / 18°	16	6	11.7	7.2
Sep	28° / 18°	10	3.6	12	7.1
Oct	30° / 19°	8	2.5	12.2	6.2
Nov	30° / 20°	8	2.6	12.4	5.6
Dec	31° / 20°	13	4.4	12.5	5.3

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 32% 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	51	51	52	52	52	53	54	55	55	57	57	59	60	62	63	65	66	68	69	70	71	72	72	73	73
Cloudier (%)	49	49	49	49	49	49	49	48	48	48	47	46	45	45	43	43	41	40	38	37	35	34	32	31	30	29	28	28	27	27

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	51	49
8	52	48
9	52	48
10	52	48
11	53	47
12	54	46
13	55	45
14	55	45
15	57	43
16	57	43
17	59	41
18	60	40
19	62	38
20	63	37
21	65	35
22	66	34
23	68	32
24	69	31
25	70	30
26	71	29
27	72	28
28	72	28
29	73	27
30	73	27

Chance of precipitation in September

Any precipitation

São Caitano gets around 10 mm of rain over 3.6 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 12% 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 (%)	15	16	16	16	16	16	16	16	16	16	16	15	15	14	14	13	12	12	11	10	9	8	8	7	6	6	6	6	6	6

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

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 81% of days. Sticky, muggy-or-worse air turns up on roughly 15% 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 (%)	4	4	4	4	4	4	4	4	5	5	5	5	4	4	4	4	4	3	3	3	3	2	2	2	2	2	2	2	2	2
Humid (%)	81	81	81	81	81	80	80	80	78	78	78	78	79	79	79	80	80	81	82	82	82	84	84	84	84	84	84	84	84	83
Muggy (%)	15	15	15	15	15	16	16	16	17	17	17	17	17	17	17	16	16	16	15	15	15	14	14	14	14	14	14	14	14	15

	Comfortable (%)	Humid (%)	Muggy (%)
1	4	81	15
2	4	81	15
3	4	81	15
4	4	81	15
5	4	81	15
6	4	80	16
7	4	80	16
8	4	80	16
9	5	78	17
10	5	78	17
11	5	78	17
12	5	78	17
13	4	79	17
14	4	79	17
15	4	79	17
16	4	80	16
17	4	80	16
18	3	81	16
19	3	82	15
20	3	82	15
21	3	82	15
22	2	84	14
23	2	84	14
24	2	84	14
25	2	84	14
26	2	84	14
27	2	84	14
28	2	84	14
29	2	84	14
30	2	83	15

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 14 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)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14
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	14	light breeze
2	14	light breeze
3	14	light breeze
4	14	light breeze
5	14	light breeze
6	14	light breeze
7	14	light breeze
8	14	light breeze
9	14	light breeze
10	14	light breeze
11	14	light breeze
12	14	light breeze
13	14	light breeze
14	14	light breeze
15	14	light breeze
16	14	light breeze
17	14	light breeze
18	14	light breeze
19	14	light breeze
20	14	light breeze
21	14	light breeze
22	14	light breeze
23	14	light breeze
24	14	light breeze
25	14	light breeze
26	14	light breeze
27	14	light breeze
28	14	light breeze
29	14	light breeze
30	14	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	12.0	12.1	12.1
Sunrise (AM)	5:29	5:29	5:28	5:27	5:27	5:26	5:26	5:25	5:24	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	5:13	5:12
Sunset (PM)	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	5:17	5:17	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	5:29	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	5:19
7	11.9	5:26	5:19
8	11.9	5:25	5:19
9	11.9	5:24	5:18
10	11.9	5:24	5:18
11	11.9	5:23	5:18
12	11.9	5:23	5:18
13	11.9	5:22	5:18
14	11.9	5:21	5:18
15	11.9	5:21	5:18
16	12.0	5:20	5:18
17	12.0	5:20	5:17
18	12.0	5:19	5:17
19	12.0	5:18	5:17
20	12.0	5:18	5:17
21	12.0	5:17	5:17
22	12.0	5:17	5:17
23	12.0	5:16	5:17
24	12.0	5:15	5:16
25	12.0	5:15	5:16
26	12.0	5:14	5:16
27	12.0	5:14	5:16
28	12.0	5:13	5:16
29	12.1	5:13	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 5.59 kWh/m².

For context, solar energy here swings from a low near 4.04 kWh/m² to a high of 6.39 kWh/m² in November across the year — September's 5.59 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)	5.1	5.1	5.2	5.2	5.2	5.2	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	5.9	6.0	6.0	6.0	6.1	6.1	6.1
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	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.1	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.2	Bright
7	5.3	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.4	Bright
12	5.4	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.6	Bright
17	5.6	Bright
18	5.7	Bright
19	5.7	Bright
20	5.8	Bright
21	5.8	Bright
22	5.9	Bright
23	5.9	Bright
24	5.9	Bright
25	6.0	Bright
26	6.0	Intense
27	6.0	Intense
28	6.1	Intense
29	6.1	Intense
30	6.1	Intense

Planning a trip in September

Is September a good time to visit São Caitano?

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

7.1

Sightseeing

2nd-best month of the year

7.8

Beach & pool

3rd-best month of the year

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

What to pack for São Caitano in September

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

In September, São Caitano sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in São Caitano 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 Caitano 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 São Caitano?

São Caitano sits at 8.3°S, 36.1°W, 573 m above sea level, in Brazil. The nearest listed city is Caruaru, 19 km away.

Topography around São Caitano

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

Within 3 km, the terrain around São Caitano has only modest variations in elevation — a maximum elevation change of 132 m around an average of 588 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 579 m; within 80 km, large variations in elevation — a maximum elevation change of 1,108 m.

The land around São Caitano is covered by grassland (53%) and shrubs (20%) within 3 km, grassland (48%) and shrubs (21%) within 16 km, and grassland (53%) and shrubs (26%) within 80 km.

3 km

132 m

grassland 53%

16 km

579 m

grassland 48%

80 km

1,108 m

grassland 53%

treesshrubsgrasslandcroplandartificial surfaces

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

September weather nearby: Caruaru 19 km · Altinho 20 km · Cachoeirinha 20 km · Agrestina 26 km · Belo Jardim 31 km · Brejo da Madre de Deus 32 km · Toritama 37 km · Riacho das Almas 38 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 Caitano (-8.3258°, -36.1428°, elevation 573 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	27	18
2	27	18
3	27	18
4	27	18
5	27	18
6	27	18
7	27	18
8	27	18
9	27	18
10	27	18
11	27	18
12	27	18
13	27	18
14	28	18
15	28	18
16	28	18
17	28	18
18	28	18
19	28	18
20	28	18
21	28	18
22	28	18
23	28	19
24	29	19
25	29	19
26	29	19
27	29	19
28	29	19
29	29	19
30	29	19

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	51	49
8	52	48
9	52	48
10	52	48
11	53	47
12	54	46
13	55	45
14	55	45
15	57	43
16	57	43
17	59	41
18	60	40
19	62	38
20	63	37
21	65	35
22	66	34
23	68	32
24	69	31
25	70	30
26	71	29
27	72	28
28	72	28
29	73	27
30	73	27

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	4	81	15
2	4	81	15
3	4	81	15
4	4	81	15
5	4	81	15
6	4	80	16
7	4	80	16
8	4	80	16
9	5	78	17
10	5	78	17
11	5	78	17
12	5	78	17
13	4	79	17
14	4	79	17
15	4	79	17
16	4	80	16
17	4	80	16
18	3	81	16
19	3	82	15
20	3	82	15
21	3	82	15
22	2	84	14
23	2	84	14
24	2	84	14
25	2	84	14
26	2	84	14
27	2	84	14
28	2	84	14
29	2	84	14
30	2	83	15

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	51	49
8	52	48
9	52	48
10	52	48
11	53	47
12	54	46
13	55	45
14	55	45
15	57	43
16	57	43
17	59	41
18	60	40
19	62	38
20	63	37
21	65	35
22	66	34
23	68	32
24	69	31
25	70	30
26	71	29
27	72	28
28	72	28
29	73	27
30	73	27

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	4	81	15
2	4	81	15
3	4	81	15
4	4	81	15
5	4	81	15
6	4	80	16
7	4	80	16
8	4	80	16
9	5	78	17
10	5	78	17
11	5	78	17
12	5	78	17
13	4	79	17
14	4	79	17
15	4	79	17
16	4	80	16
17	4	80	16
18	3	81	16
19	3	82	15
20	3	82	15
21	3	82	15
22	2	84	14
23	2	84	14
24	2	84	14
25	2	84	14
26	2	84	14
27	2	84	14
28	2	84	14
29	2	84	14
30	2	83	15

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

	Clearer (%)	Cloudier (%)
1	51	49
2	51	49
3	51	49
4	51	49
5	51	49
6	51	49
7	51	49
8	52	48
9	52	48
10	52	48
11	53	47
12	54	46
13	55	45
14	55	45
15	57	43
16	57	43
17	59	41
18	60	40
19	62	38
20	63	37
21	65	35
22	66	34
23	68	32
24	69	31
25	70	30
26	71	29
27	72	28
28	72	28
29	73	27
30	73	27

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

	Comfortable (%)	Humid (%)	Muggy (%)
1	4	81	15
2	4	81	15
3	4	81	15
4	4	81	15
5	4	81	15
6	4	80	16
7	4	80	16
8	4	80	16
9	5	78	17
10	5	78	17
11	5	78	17
12	5	78	17
13	4	79	17
14	4	79	17
15	4	79	17
16	4	80	16
17	4	80	16
18	3	81	16
19	3	82	15
20	3	82	15
21	3	82	15
22	2	84	14
23	2	84	14
24	2	84	14
25	2	84	14
26	2	84	14
27	2	84	14
28	2	84	14
29	2	84	14
30	2	83	15