Caracaraí weather in September

In September, Caracaraí sees average daytime highs of 32°C and overnight lows near 23°C, with 158 mm of rain across 21.2 wet days and about 12 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Caracaraí's 1st-clearest and 8th-windiest month. For the whole year in context, see Caracaraí's year-round climate.

Daytime high: 32°; 4th warmest
Overnight low: 23°; 5th coldest
Rainfall: 158 mm; 21.2 wet days
Daylight: 12 hours; 5:59 AM – 5:59 PM
Cloud cover: 62%; 1st clearest
Wind: 4 km/h; 8th windiest
Solar energy: 5.32 kWh/m²
Travel score: 3.0; out of 10

← August Caracaraí 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 32°C through the month.

A typical September day in Caracaraí reaches about 32°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, September runs about 1°C warmer than August and on par with 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	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32	32
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24

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

How September really feels in Caracaraí

Once humidity and wind are folded in, September averages 30 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

2 feel dangerously hot (≥ 39°C)

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.

Caracaraí weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	32° / 24°	109	12.3	11.9	3.8
Feb	32° / 24°	102	11.2	11.9	3.6
Mar	32° / 24°	169	15.9	12	3.4
Apr	31° / 24°	357	23	12	3.0
May	30° / 23°	519	29.1	12.1	2.8
Jun	29° / 23°	409	28.7	12.1	2.9
Jul	29° / 23°	312	29.3	12.1	3.0
Aug	30° / 23°	242	26.4	12.1	3.0
Sep	32° / 23°	158	21.2	12	3.0
Oct	32° / 24°	147	18.6	12	3.1
Nov	32° / 24°	176	20.3	11.9	3.1
Dec	31° / 24°	153	18.1	11.9	3.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 53%.

	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 (%)	46	46	45	45	45	45	45	45	45	45	46	46	46	46	46	48	48	48	48	48	48	48	48	48	48	48	48	47	47	46
Cloudier (%)	54	54	55	55	55	55	55	55	55	55	54	54	54	54	54	52	52	52	52	52	52	52	52	52	52	52	52	53	53	54

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	46	54
12	46	54
13	46	54
14	46	54
15	46	54
16	48	52
17	48	52
18	48	52
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	48	52
26	48	52
27	48	52
28	47	53
29	47	53
30	46	54

Chance of precipitation in September

Any precipitation

Caracaraí gets around 158 mm of rain over 21.2 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 70% and peaks near 80% 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 (%)	80	80	79	79	78	77	77	76	75	74	74	73	72	71	70	70	69	68	68	67	66	66	65	64	63	63	62	61	61	60

	Rain chance (%)
1	80
2	80
3	79
4	79
5	78
6	77
7	77
8	76
9	75
10	74
11	74
12	73
13	72
14	71
15	70
16	70
17	69
18	68
19	68
20	67
21	66
22	66
23	65
24	64
25	63
26	63
27	62
28	61
29	61
30	60

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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
Oppressive (%)	40	39	39	39	39	39	39	39	39	38	38	38	37	37	36	36	35	35	34	34	34	34	34	34	34	35	35	36	37	38
Miserable (%)	60	61	61	61	61	61	61	61	61	62	62	62	63	63	64	64	65	65	66	66	66	66	66	66	66	65	65	64	63	62

	Oppressive (%)	Miserable (%)
1	40	60
2	39	61
3	39	61
4	39	61
5	39	61
6	39	61
7	39	61
8	39	61
9	39	61
10	38	62
11	38	62
12	38	62
13	37	63
14	37	63
15	36	64
16	36	64
17	35	65
18	35	65
19	34	66
20	34	66
21	34	66
22	34	66
23	34	66
24	34	66
25	34	66
26	35	65
27	35	65
28	36	64
29	37	63
30	38	62

Wind in September

Winds average 4 km/h in September.

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 6:03 AM to 5:54 AM, and sunset from 6:05 PM to 5:53 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)	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	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:03	6:03	6:03	6:02	6:02	6:02	6:01	6:01	6:01	6:00	6:00	6:00	6:00	5:59	5:59	5:59	5:58	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:56	5:55	5:55	5:55	5:55	5:54
Sunset (PM)	6:05	6:05	6:04	6:04	6:04	6:03	6:03	6:02	6:02	6:02	6:01	6:01	6:00	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:55	5:55	5:55	5:54	5:54	5:53

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:03	6:05
2	12.0	6:03	6:05
3	12.0	6:03	6:04
4	12.0	6:02	6:04
5	12.0	6:02	6:04
6	12.0	6:02	6:03
7	12.0	6:01	6:03
8	12.0	6:01	6:02
9	12.0	6:01	6:02
10	12.0	6:00	6:02
11	12.0	6:00	6:01
12	12.0	6:00	6:01
13	12.0	6:00	6:00
14	12.0	5:59	6:00
15	12.0	5:59	6:00
16	12.0	5:59	5:59
17	12.0	5:58	5:59
18	12.0	5:58	5:58
19	12.0	5:58	5:58
20	12.0	5:57	5:57
21	12.0	5:57	5:57
22	12.0	5:57	5:57
23	12.0	5:56	5:56
24	12.0	5:56	5:56
25	12.0	5:56	5:55
26	12.0	5:55	5:55
27	12.0	5:55	5:55
28	12.0	5:55	5:54
29	12.0	5:55	5:54
30	12.0	5:54	5:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.49 kWh/m² to a high of 5.38 kWh/m² in October across the year — September's 5.32 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)	5.1	5.1	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.3	5.3	5.3	5.3	5.3	5.3	5.3	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.4	5.5	5.5	5.5	5.5	5.5
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	5.1	Bright
2	5.1	Bright
3	5.2	Bright
4	5.2	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.2	Bright
9	5.2	Bright
10	5.2	Bright
11	5.3	Bright
12	5.3	Bright
13	5.3	Bright
14	5.3	Bright
15	5.3	Bright
16	5.3	Bright
17	5.3	Bright
18	5.4	Bright
19	5.4	Bright
20	5.4	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.4	Bright
25	5.4	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.5	Bright
30	5.5	Bright

Planning a trip in September

Hazard calendar for Caracaraí

In seasonPeak

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

Caracaraí's rainy season runs April–August, 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 Caracaraí?

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

3.0

Sightseeing

7th-best month of the year

4.8

Beach & pool

7th-best month of the year

September is a weaker month for outdoor sightseeing in Caracaraí.

What to pack for Caracaraí in September

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

In September, Caracaraí sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Caracaraí 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 Caracaraí peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 17 at about 11 (extreme).

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	13	14	14	13	11	11	11	12	11	10	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

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

Air quality in Caracaraí in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Caracaraí is worst in March — around 33 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (July, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	15	20	33	25	12	10	10	11	11	12	14	13
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Good	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	20	Moderate
Mar	33	Moderate
Apr	25	Moderate
May	12	Moderate
Jun	10	Good
Jul	10	Good
Aug	11	Good
Sep	11	Good
Oct	12	Good
Nov	14	Moderate
Dec	13	Moderate

Location & terrain

Where is Caracaraí?

Caracaraí sits at 1.8°N, 61.1°W, 53 m above sea level, in Brazil. The nearest listed city is Mucajaí, 73 km away.

Topography around Caracaraí

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

Within 3 km, the terrain around Caracaraí has only modest variations in elevation — a maximum elevation change of 24 m around an average of 50 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,924 m.

The land around Caracaraí is covered by grassland (42%) and trees (36%) within 3 km, trees (71%) and grassland (23%) within 16 km, and trees (79%) within 80 km.

3 km

24 m

grassland 42%

16 km

245 m

trees 71%

80 km

1,924 m

trees 79%

treesshrubsgrasslandartificial surfaceswaterwetland

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

September weather nearby: Mucajaí 73 km · Cantá 106 km · Boa Vista 123 km · Rorainópolis 125 km · Alto Alegre 127 km · Lethem 227 km · Pacaraima 291 km · Santa Elena de Uairén 310 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 Caracaraí (1.8161°, -61.1281°, elevation 53 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. 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	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	32	23
8	32	23
9	32	23
10	32	23
11	32	23
12	32	23
13	32	23
14	32	23
15	32	23
16	32	24
17	32	24
18	32	24
19	32	24
20	32	24
21	32	24
22	32	24
23	32	24
24	32	24
25	32	24
26	32	24
27	32	24
28	32	24
29	32	24
30	32	24

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	46	54
12	46	54
13	46	54
14	46	54
15	46	54
16	48	52
17	48	52
18	48	52
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	48	52
26	48	52
27	48	52
28	47	53
29	47	53
30	46	54

	Rain chance (%)
1	80
2	80
3	79
4	79
5	78
6	77
7	77
8	76
9	75
10	74
11	74
12	73
13	72
14	71
15	70
16	70
17	69
18	68
19	68
20	67
21	66
22	66
23	65
24	64
25	63
26	63
27	62
28	61
29	61
30	60

	Oppressive (%)	Miserable (%)
1	40	60
2	39	61
3	39	61
4	39	61
5	39	61
6	39	61
7	39	61
8	39	61
9	39	61
10	38	62
11	38	62
12	38	62
13	37	63
14	37	63
15	36	64
16	36	64
17	35	65
18	35	65
19	34	66
20	34	66
21	34	66
22	34	66
23	34	66
24	34	66
25	34	66
26	35	65
27	35	65
28	36	64
29	37	63
30	38	62

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

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	46	54
12	46	54
13	46	54
14	46	54
15	46	54
16	48	52
17	48	52
18	48	52
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	48	52
26	48	52
27	48	52
28	47	53
29	47	53
30	46	54

	Rain chance (%)
1	80
2	80
3	79
4	79
5	78
6	77
7	77
8	76
9	75
10	74
11	74
12	73
13	72
14	71
15	70
16	70
17	69
18	68
19	68
20	67
21	66
22	66
23	65
24	64
25	63
26	63
27	62
28	61
29	61
30	60

	Oppressive (%)	Miserable (%)
1	40	60
2	39	61
3	39	61
4	39	61
5	39	61
6	39	61
7	39	61
8	39	61
9	39	61
10	38	62
11	38	62
12	38	62
13	37	63
14	37	63
15	36	64
16	36	64
17	35	65
18	35	65
19	34	66
20	34	66
21	34	66
22	34	66
23	34	66
24	34	66
25	34	66
26	35	65
27	35	65
28	36	64
29	37	63
30	38	62

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

	Clearer (%)	Cloudier (%)
1	46	54
2	46	54
3	45	55
4	45	55
5	45	55
6	45	55
7	45	55
8	45	55
9	45	55
10	45	55
11	46	54
12	46	54
13	46	54
14	46	54
15	46	54
16	48	52
17	48	52
18	48	52
19	48	52
20	48	52
21	48	52
22	48	52
23	48	52
24	48	52
25	48	52
26	48	52
27	48	52
28	47	53
29	47	53
30	46	54

	Rain chance (%)
1	80
2	80
3	79
4	79
5	78
6	77
7	77
8	76
9	75
10	74
11	74
12	73
13	72
14	71
15	70
16	70
17	69
18	68
19	68
20	67
21	66
22	66
23	65
24	64
25	63
26	63
27	62
28	61
29	61
30	60

	Oppressive (%)	Miserable (%)
1	40	60
2	39	61
3	39	61
4	39	61
5	39	61
6	39	61
7	39	61
8	39	61
9	39	61
10	38	62
11	38	62
12	38	62
13	37	63
14	37	63
15	36	64
16	36	64
17	35	65
18	35	65
19	34	66
20	34	66
21	34	66
22	34	66
23	34	66
24	34	66
25	34	66
26	35	65
27	35	65
28	36	64
29	37	63
30	38	62