Campo Formoso weather in September

In September, Campo Formoso sees average daytime highs of 27°C and overnight lows near 17°C, with 29 mm of rain across 9.2 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 26°C in the first days to 29°C by the end. The sky is clear or mostly clear about 39% 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 Campo Formoso's 2nd-clearest and 4th-windiest month. For the whole year in context, see Campo Formoso's year-round climate.

Daytime high: 27°; 8th warmest
Overnight low: 17°; 3rd coldest
Rainfall: 29 mm; 9.2 wet days
Daylight: 11 h 54 min; 5:37 AM – 5:34 PM
Cloud cover: 48%; 2nd clearest
Wind: 13 km/h; 4th windiest
Solar energy: 5.55 kWh/m²
Travel score: 6.6; out of 10

Campo Formoso is human settlement in Brazil.

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

← August Campo Formoso 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 29°C by the end.

A typical September day in Campo Formoso reaches about 27°C in the afternoon and slips back to 17°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 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)	26	26	26	27	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
Avg low (°C)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	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	27	17
5	27	17
6	27	17
7	27	17
8	27	17
9	27	17
10	27	17
11	27	17
12	27	17
13	27	17
14	27	17
15	27	17
16	27	17
17	27	17
18	28	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	29	18
29	29	18
30	29	18

Campo Formoso 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	30° / 20°	77	9.4	12.5	5.1
Feb	30° / 20°	70	10.2	12.3	4.9
Mar	30° / 20°	79	12.2	12.1	4.8
Apr	29° / 20°	54	14.5	11.8	5.1
May	27° / 19°	58	15.2	11.5	5.7
Jun	25° / 18°	63	17.9	11.4	5.5
Jul	24° / 17°	55	17.8	11.4	5.7
Aug	25° / 17°	47	15.1	11.7	6.0
Sep	27° / 17°	29	9.2	11.9	6.6
Oct	29° / 19°	30	5.5	12.2	6.0
Nov	30° / 20°	59	7.8	12.5	5.4
Dec	30° / 20°	66	7.6	12.6	5.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 36%. 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 (%)	57	58	58	58	58	58	58	58	58	59	60	60	61	62	63	65	65	67	67	69	70	70	71	71	71	72	71	72	72	73
Cloudier (%)	43	42	42	42	42	42	42	42	42	41	40	40	39	38	37	35	35	33	33	31	30	30	29	29	29	28	29	28	28	27

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	58	42
9	58	42
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	63	37
16	65	35
17	65	35
18	67	33
19	67	33
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	71	29
28	72	28
29	72	28
30	73	27

Chance of precipitation in September

Any precipitation

Campo Formoso gets around 29 mm of rain over 9.2 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 30% and peaks near 38% 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 (%)	37	37	37	37	37	38	38	38	38	37	37	36	35	35	34	33	31	30	29	27	26	24	23	22	21	20	20	19	19	19

	Rain chance (%)
1	37
2	37
3	37
4	37
5	37
6	38
7	38
8	38
9	38
10	37
11	37
12	36
13	35
14	35
15	34
16	33
17	31
18	30
19	29
20	27
21	26
22	24
23	23
24	22
25	21
26	20
27	20
28	19
29	19
30	19

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 74% 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
Dry (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Comfortable (%)	20	20	20	20	20	20	20	20	21	21	21	20	20	20	20	20	19	19	19	18	18	18	18	17	17	18	18	18	18	19
Humid (%)	75	75	74	74	74	74	74	74	72	72	72	73	73	73	73	74	75	75	75	76	75	75	75	75	75	74	74	74	73	72
Muggy (%)	4	4	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	8	8	8	8	8	9	9

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	1	20	75	4
2	1	20	75	4
3	1	20	74	5
4	1	20	74	5
5	1	20	74	5
6	1	20	74	5
7	1	20	74	5
8	1	20	74	5
9	1	21	72	6
10	1	21	72	6
11	1	21	72	6
12	1	20	73	6
13	1	20	73	6
14	1	20	73	6
15	1	20	73	6
16	0	20	74	6
17	0	19	75	6
18	0	19	75	6
19	0	19	75	6
20	0	18	76	6
21	0	18	75	7
22	0	18	75	7
23	0	18	75	7
24	0	17	75	8
25	0	17	75	8
26	0	18	74	8
27	0	18	74	8
28	0	18	74	8
29	0	18	73	9
30	0	19	72	9

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 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)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	12	12	12	12	12	12	12	12	12
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	13	light breeze
2	13	light breeze
3	13	light breeze
4	13	light breeze
5	13	light breeze
6	13	light breeze
7	13	light breeze
8	13	light breeze
9	13	light breeze
10	13	light breeze
11	13	light breeze
12	13	light breeze
13	13	light breeze
14	13	light breeze
15	13	light breeze
16	13	light breeze
17	13	light breeze
18	13	light breeze
19	13	light breeze
20	13	light breeze
21	13	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	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 5:47 AM to 5:28 AM, and sunset from 5:35 PM to 5:33 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	11.9	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	12.1	12.1	12.1	12.1
Sunrise (AM)	5:47	5:46	5:46	5:45	5:45	5:44	5:43	5:43	5:42	5:41	5:41	5:40	5:39	5:39	5:38	5:37	5:37	5:36	5:35	5:35	5:34	5:33	5:33	5:32	5:31	5:31	5:30	5:29	5:29	5:28
Sunset (PM)	5:35	5:35	5:35	5:35	5:35	5:35	5:35	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	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.8	5:47	5:35
2	11.8	5:46	5:35
3	11.8	5:46	5:35
4	11.8	5:45	5:35
5	11.8	5:45	5:35
6	11.8	5:44	5:35
7	11.9	5:43	5:35
8	11.9	5:43	5:34
9	11.9	5:42	5:34
10	11.9	5:41	5:34
11	11.9	5:41	5:34
12	11.9	5:40	5:34
13	11.9	5:39	5:34
14	11.9	5:39	5:34
15	11.9	5:38	5:34
16	11.9	5:37	5:34
17	12.0	5:37	5:34
18	12.0	5:36	5:34
19	12.0	5:35	5:34
20	12.0	5:35	5:34
21	12.0	5:34	5:34
22	12.0	5:33	5:33
23	12.0	5:33	5:33
24	12.0	5:32	5:33
25	12.0	5:31	5:33
26	12.0	5:31	5:33
27	12.1	5:30	5:33
28	12.1	5:29	5:33
29	12.1	5:29	5:33
30	12.1	5:28	5:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 6.28 kWh/m² in October across the year — September's 5.55 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)	5.0	5.1	5.1	5.1	5.2	5.2	5.2	5.2	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
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	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	5.0	Bright
2	5.1	Bright
3	5.1	Bright
4	5.1	Bright
5	5.2	Bright
6	5.2	Bright
7	5.2	Bright
8	5.2	Bright
9	5.3	Bright
10	5.3	Bright
11	5.3	Bright
12	5.4	Bright
13	5.4	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.6	Bright
18	5.6	Bright
19	5.7	Bright
20	5.7	Bright
21	5.8	Bright
22	5.8	Bright
23	5.9	Bright
24	5.9	Bright
25	5.9	Bright
26	6.0	Bright
27	6.0	Intense
28	6.0	Intense
29	6.1	Intense
30	6.1	Intense

Planning a trip in September

Is September a good time to visit Campo Formoso?

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

6.6

Sightseeing

1st-best month of the year

7.0

Beach & pool

4th-best month of the year

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

What to pack for Campo Formoso in September

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

In September, Campo Formoso sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Campo Formoso 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 Campo Formoso 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	15	13	10	9	9	10	12	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	15	Extreme
Apr	13	Extreme
May	10	Extreme
Jun	9	Very high
Jul	9	Very high
Aug	10	Extreme
Sep	12	Extreme
Oct	13	Extreme
Nov	13	Extreme
Dec	12	Extreme

Location & terrain

Where is Campo Formoso?

Campo Formoso sits at 10.5°S, 40.3°W, 580 m above sea level, in Brazil. The nearest listed city is Senhor do Bonfim, 15 km away.

Topography around Campo Formoso

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

Within 3 km, the terrain around Campo Formoso has significant variations in elevation — a maximum elevation change of 359 m around an average of 619 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 693 m; within 80 km, large variations in elevation — a maximum elevation change of 814 m.

The land around Campo Formoso is covered by trees (56%) and shrubs (21%) within 3 km, trees (44%), shrubs (32%) and grassland (21%) within 16 km, and shrubs (56%) and grassland (30%) within 80 km.

3 km

359 m

trees 56%

16 km

693 m

trees 44%

80 km

814 m

shrubs 56%

treesshrubsgrasslandcroplandartificial surfaces

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

September weather nearby: Senhor do Bonfim 15 km · Pindobaçu 26 km · Jaguarari 30 km · Filadélfia 33 km · Ponto Novo 45 km · Itiúba 55 km · Andorinha 56 km · Mirangaba 57 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 Campo Formoso (-10.5075°, -40.3214°, elevation 580 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	27	17
5	27	17
6	27	17
7	27	17
8	27	17
9	27	17
10	27	17
11	27	17
12	27	17
13	27	17
14	27	17
15	27	17
16	27	17
17	27	17
18	28	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	29	18
29	29	18
30	29	18

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	58	42
9	58	42
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	63	37
16	65	35
17	65	35
18	67	33
19	67	33
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	71	29
28	72	28
29	72	28
30	73	27

	Rain chance (%)
1	37
2	37
3	37
4	37
5	37
6	38
7	38
8	38
9	38
10	37
11	37
12	36
13	35
14	35
15	34
16	33
17	31
18	30
19	29
20	27
21	26
22	24
23	23
24	22
25	21
26	20
27	20
28	19
29	19
30	19

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	1	20	75	4
2	1	20	75	4
3	1	20	74	5
4	1	20	74	5
5	1	20	74	5
6	1	20	74	5
7	1	20	74	5
8	1	20	74	5
9	1	21	72	6
10	1	21	72	6
11	1	21	72	6
12	1	20	73	6
13	1	20	73	6
14	1	20	73	6
15	1	20	73	6
16	0	20	74	6
17	0	19	75	6
18	0	19	75	6
19	0	19	75	6
20	0	18	76	6
21	0	18	75	7
22	0	18	75	7
23	0	18	75	7
24	0	17	75	8
25	0	17	75	8
26	0	18	74	8
27	0	18	74	8
28	0	18	74	8
29	0	18	73	9
30	0	19	72	9

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

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	58	42
9	58	42
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	63	37
16	65	35
17	65	35
18	67	33
19	67	33
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	71	29
28	72	28
29	72	28
30	73	27

	Rain chance (%)
1	37
2	37
3	37
4	37
5	37
6	38
7	38
8	38
9	38
10	37
11	37
12	36
13	35
14	35
15	34
16	33
17	31
18	30
19	29
20	27
21	26
22	24
23	23
24	22
25	21
26	20
27	20
28	19
29	19
30	19

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	1	20	75	4
2	1	20	75	4
3	1	20	74	5
4	1	20	74	5
5	1	20	74	5
6	1	20	74	5
7	1	20	74	5
8	1	20	74	5
9	1	21	72	6
10	1	21	72	6
11	1	21	72	6
12	1	20	73	6
13	1	20	73	6
14	1	20	73	6
15	1	20	73	6
16	0	20	74	6
17	0	19	75	6
18	0	19	75	6
19	0	19	75	6
20	0	18	76	6
21	0	18	75	7
22	0	18	75	7
23	0	18	75	7
24	0	17	75	8
25	0	17	75	8
26	0	18	74	8
27	0	18	74	8
28	0	18	74	8
29	0	18	73	9
30	0	19	72	9

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

	Clearer (%)	Cloudier (%)
1	57	43
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	58	42
9	58	42
10	59	41
11	60	40
12	60	40
13	61	39
14	62	38
15	63	37
16	65	35
17	65	35
18	67	33
19	67	33
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	71	29
28	72	28
29	72	28
30	73	27

	Rain chance (%)
1	37
2	37
3	37
4	37
5	37
6	38
7	38
8	38
9	38
10	37
11	37
12	36
13	35
14	35
15	34
16	33
17	31
18	30
19	29
20	27
21	26
22	24
23	23
24	22
25	21
26	20
27	20
28	19
29	19
30	19

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	1	20	75	4
2	1	20	75	4
3	1	20	74	5
4	1	20	74	5
5	1	20	74	5
6	1	20	74	5
7	1	20	74	5
8	1	20	74	5
9	1	21	72	6
10	1	21	72	6
11	1	21	72	6
12	1	20	73	6
13	1	20	73	6
14	1	20	73	6
15	1	20	73	6
16	0	20	74	6
17	0	19	75	6
18	0	19	75	6
19	0	19	75	6
20	0	18	76	6
21	0	18	75	7
22	0	18	75	7
23	0	18	75	7
24	0	17	75	8
25	0	17	75	8
26	0	18	74	8
27	0	18	74	8
28	0	18	74	8
29	0	18	73	9
30	0	19	72	9