Guapiara weather in September

In September, Guapiara sees average daytime highs of 23°C and overnight lows near 14°C, with 134 mm of rain across 13.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 27% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Guapiara's 6th-clearest and 3rd-windiest month. For the whole year in context, see Guapiara's year-round climate.

Daytime high: 23°; 8th warmest
Overnight low: 14°; 4th coldest
Rainfall: 134 mm; 13.2 wet days
Daylight: 11 h 54 min; 7:13 AM – 7:04 PM
Cloud cover: 67%; 6th clearest
Wind: 9 km/h; 3rd windiest
Solar energy: 4.14 kWh/m²
Travel score: 6.1; out of 10

Guapiara is human settlement in Brazil.

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

← August Guapiara 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 23°C through the month.

A typical September day in Guapiara reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 30°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)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
Avg low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	13	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14

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

Guapiara weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 19°	299	26.7	13.3	4.0
Feb	27° / 19°	240	23.3	12.8	4.0
Mar	26° / 18°	183	22.7	12.2	4.7
Apr	25° / 16°	90	13.6	11.5	6.2
May	22° / 14°	92	11.3	10.8	6.4
Jun	21° / 12°	83	8.8	10.5	6.6
Jul	21° / 12°	85	8.6	10.7	6.7
Aug	22° / 12°	64	8.3	11.2	7.0
Sep	23° / 14°	134	13.2	11.9	6.1
Oct	24° / 15°	154	17.8	12.6	5.5
Nov	25° / 16°	167	19.2	13.2	5.2
Dec	26° / 18°	218	22.7	13.5	4.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over 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	52	51	50	47	46	45	44	42	40	40	39	39	38	37	37	36	36	33	32	32	31	31	30	28	28	27	26	26	26
Cloudier (%)	46	48	49	50	53	54	55	56	58	60	60	61	61	62	63	63	64	64	67	68	68	69	69	70	72	72	73	74	74	74

	Clearer (%)	Cloudier (%)
1	54	46
2	52	48
3	51	49
4	50	50
5	47	53
6	46	54
7	45	55
8	44	56
9	42	58
10	40	60
11	40	60
12	39	61
13	39	61
14	38	62
15	37	63
16	37	63
17	36	64
18	36	64
19	33	67
20	32	68
21	32	68
22	31	69
23	31	69
24	30	70
25	28	72
26	28	72
27	27	73
28	26	74
29	26	74
30	26	74

Chance of precipitation in September

Any precipitation

Guapiara gets around 134 mm of rain over 13.2 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 43% and peaks near 54% on the wettest days. The odds climb 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 (%)	33	34	35	35	36	37	38	38	39	39	40	40	41	41	42	42	43	44	45	46	47	48	49	49	50	51	52	52	53	54

	Rain chance (%)
1	33
2	34
3	35
4	35
5	36
6	37
7	38
8	38
9	39
10	39
11	40
12	40
13	41
14	41
15	42
16	42
17	43
18	44
19	45
20	46
21	47
22	48
23	49
24	49
25	50
26	51
27	52
28	52
29	53
30	54

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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 (%)	36	35	35	34	33	33	32	31	31	30	29	28	27	27	26	25	25	25	24	24	23	23	22	22	21	20	20	19	19	18
Comfortable (%)	48	48	48	47	47	47	47	47	47	47	47	47	47	47	47	47	46	46	46	45	45	44	44	43	42	42	41	40	40	39
Humid (%)	16	17	17	18	19	20	20	21	22	22	23	24	24	25	26	26	27	27	28	29	29	30	31	32	33	34	34	35	36	36
Muggy (%)	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	2	2	2	2	2	3	3	3	4	4	4	5	5	6	7

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	36	48	16	0
2	35	48	17	0
3	35	48	17	0
4	34	47	18	0
5	33	47	19	0
6	33	47	20	1
7	32	47	20	1
8	31	47	21	1
9	31	47	22	1
10	30	47	22	1
11	29	47	23	1
12	28	47	24	1
13	27	47	24	1
14	27	47	25	1
15	26	47	26	1
16	25	47	26	2
17	25	46	27	2
18	25	46	27	2
19	24	46	28	2
20	24	45	29	2
21	23	45	29	3
22	23	44	30	3
23	22	44	31	3
24	22	43	32	4
25	21	42	33	4
26	20	42	34	4
27	20	41	34	5
28	19	40	35	5
29	19	40	36	6
30	18	39	36	7

Wind in September

Winds average 9 km/h in September.

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:29 AM to 6:57 AM, and sunset from 6:59 PM to 7:09 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)	11.5	11.5	11.6	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.2	12.2	12.2
Sunrise (AM)	7:29	7:28	7:27	7:26	7:25	7:23	7:22	7:21	7:20	7:19	7:18	7:17	7:16	7:15	7:14	7:13	7:12	7:10	7:09	7:08	7:07	7:06	7:05	7:04	7:03	7:02	7:01	7:00	6:59	6:57
Sunset (PM)	6:59	6:59	7:00	7:00	7:00	7:01	7:01	7:01	7:02	7:02	7:03	7:03	7:03	7:04	7:04	7:04	7:05	7:05	7:05	7:06	7:06	7:06	7:07	7:07	7:08	7:08	7:08	7:09	7:09	7:09

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.5	7:29	6:59
2	11.5	7:28	6:59
3	11.6	7:27	7:00
4	11.6	7:26	7:00
5	11.6	7:25	7:00
6	11.6	7:23	7:01
7	11.6	7:22	7:01
8	11.7	7:21	7:01
9	11.7	7:20	7:02
10	11.7	7:19	7:02
11	11.7	7:18	7:03
12	11.8	7:17	7:03
13	11.8	7:16	7:03
14	11.8	7:15	7:04
15	11.8	7:14	7:04
16	11.9	7:13	7:04
17	11.9	7:12	7:05
18	11.9	7:10	7:05
19	11.9	7:09	7:05
20	12.0	7:08	7:06
21	12.0	7:07	7:06
22	12.0	7:06	7:06
23	12.0	7:05	7:07
24	12.1	7:04	7:07
25	12.1	7:03	7:08
26	12.1	7:02	7:08
27	12.1	7:01	7:08
28	12.2	7:00	7:09
29	12.2	6:59	7:09
30	12.2	6:57	7:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.14 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 5.36 kWh/m² in December across the year — September's 4.14 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)	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
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	4.2	Bright
2	4.2	Bright
3	4.2	Bright
4	4.2	Bright
5	4.2	Bright
6	4.2	Bright
7	4.2	Bright
8	4.2	Bright
9	4.2	Bright
10	4.2	Bright
11	4.2	Bright
12	4.2	Bright
13	4.2	Bright
14	4.2	Bright
15	4.2	Bright
16	4.2	Bright
17	4.2	Bright
18	4.2	Bright
19	4.2	Bright
20	4.2	Bright
21	4.2	Bright
22	4.2	Bright
23	4.2	Bright
24	4.2	Bright
25	4.2	Bright
26	4.2	Bright
27	4.2	Bright
28	4.2	Bright
29	4.2	Bright
30	4.2	Bright

Planning a trip in September

Hazard calendar for Guapiara

In seasonPeak

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

Guapiara's rainy season runs October–March, 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 Guapiara?

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

6.1

Sightseeing

6th-best month of the year

4.7

Beach & pool

3rd-best month of the year

September is a reasonable time to visit Guapiara for sightseeing.

What to pack for Guapiara in September

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

In September, Guapiara sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

UV index in Guapiara in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guapiara peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (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)	15	15	12	9	7	6	5	8	8	11	13	14
Level	Extreme	Extreme	Extreme	Very high	High	High	High	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	12	Extreme
Apr	9	Very high
May	7	High
Jun	6	High
Jul	5	High
Aug	8	Very high
Sep	8	Very high
Oct	11	Extreme
Nov	13	Extreme
Dec	14	Extreme

Location & terrain

Where is Guapiara?

Guapiara sits at 24.2°S, 48.5°W, 745 m above sea level, in Brazil. The nearest listed city is Ribeirão Branco, 24 km away.

Topography around Guapiara

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

Within 3 km, the terrain around Guapiara has significant variations in elevation — a maximum elevation change of 287 m around an average of 779 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 524 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,432 m.

The land around Guapiara is covered by trees (66%) and grassland (28%) within 3 km, trees (67%) and grassland (25%) within 16 km, and trees (72%) within 80 km.

3 km

287 m

trees 66%

16 km

524 m

trees 67%

80 km

1,432 m

trees 72%

treesgrasslandcroplandartificial surfaces

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

September weather nearby: Ribeirão Branco 24 km · Capão Bonito 27 km · Itapeva 41 km · Buri 44 km · Apiaí 48 km · São Miguel Arcanjo 64 km · Itaberá 71 km · Cajati 74 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 Guapiara (-24.185°, -48.5328°, elevation 745 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	23	13
2	23	13
3	23	13
4	23	13
5	23	13
6	23	13
7	23	13
8	23	13
9	23	13
10	23	13
11	23	13
12	23	13
13	23	13
14	23	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	14
24	23	14
25	23	14
26	23	14
27	23	14
28	23	14
29	23	14
30	23	14

	Clearer (%)	Cloudier (%)
1	54	46
2	52	48
3	51	49
4	50	50
5	47	53
6	46	54
7	45	55
8	44	56
9	42	58
10	40	60
11	40	60
12	39	61
13	39	61
14	38	62
15	37	63
16	37	63
17	36	64
18	36	64
19	33	67
20	32	68
21	32	68
22	31	69
23	31	69
24	30	70
25	28	72
26	28	72
27	27	73
28	26	74
29	26	74
30	26	74

	Rain chance (%)
1	33
2	34
3	35
4	35
5	36
6	37
7	38
8	38
9	39
10	39
11	40
12	40
13	41
14	41
15	42
16	42
17	43
18	44
19	45
20	46
21	47
22	48
23	49
24	49
25	50
26	51
27	52
28	52
29	53
30	54

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	36	48	16	0
2	35	48	17	0
3	35	48	17	0
4	34	47	18	0
5	33	47	19	0
6	33	47	20	1
7	32	47	20	1
8	31	47	21	1
9	31	47	22	1
10	30	47	22	1
11	29	47	23	1
12	28	47	24	1
13	27	47	24	1
14	27	47	25	1
15	26	47	26	1
16	25	47	26	2
17	25	46	27	2
18	25	46	27	2
19	24	46	28	2
20	24	45	29	2
21	23	45	29	3
22	23	44	30	3
23	22	44	31	3
24	22	43	32	4
25	21	42	33	4
26	20	42	34	4
27	20	41	34	5
28	19	40	35	5
29	19	40	36	6
30	18	39	36	7

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

	Clearer (%)	Cloudier (%)
1	54	46
2	52	48
3	51	49
4	50	50
5	47	53
6	46	54
7	45	55
8	44	56
9	42	58
10	40	60
11	40	60
12	39	61
13	39	61
14	38	62
15	37	63
16	37	63
17	36	64
18	36	64
19	33	67
20	32	68
21	32	68
22	31	69
23	31	69
24	30	70
25	28	72
26	28	72
27	27	73
28	26	74
29	26	74
30	26	74

	Rain chance (%)
1	33
2	34
3	35
4	35
5	36
6	37
7	38
8	38
9	39
10	39
11	40
12	40
13	41
14	41
15	42
16	42
17	43
18	44
19	45
20	46
21	47
22	48
23	49
24	49
25	50
26	51
27	52
28	52
29	53
30	54

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	36	48	16	0
2	35	48	17	0
3	35	48	17	0
4	34	47	18	0
5	33	47	19	0
6	33	47	20	1
7	32	47	20	1
8	31	47	21	1
9	31	47	22	1
10	30	47	22	1
11	29	47	23	1
12	28	47	24	1
13	27	47	24	1
14	27	47	25	1
15	26	47	26	1
16	25	47	26	2
17	25	46	27	2
18	25	46	27	2
19	24	46	28	2
20	24	45	29	2
21	23	45	29	3
22	23	44	30	3
23	22	44	31	3
24	22	43	32	4
25	21	42	33	4
26	20	42	34	4
27	20	41	34	5
28	19	40	35	5
29	19	40	36	6
30	18	39	36	7

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

	Clearer (%)	Cloudier (%)
1	54	46
2	52	48
3	51	49
4	50	50
5	47	53
6	46	54
7	45	55
8	44	56
9	42	58
10	40	60
11	40	60
12	39	61
13	39	61
14	38	62
15	37	63
16	37	63
17	36	64
18	36	64
19	33	67
20	32	68
21	32	68
22	31	69
23	31	69
24	30	70
25	28	72
26	28	72
27	27	73
28	26	74
29	26	74
30	26	74

	Rain chance (%)
1	33
2	34
3	35
4	35
5	36
6	37
7	38
8	38
9	39
10	39
11	40
12	40
13	41
14	41
15	42
16	42
17	43
18	44
19	45
20	46
21	47
22	48
23	49
24	49
25	50
26	51
27	52
28	52
29	53
30	54

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	36	48	16	0
2	35	48	17	0
3	35	48	17	0
4	34	47	18	0
5	33	47	19	0
6	33	47	20	1
7	32	47	20	1
8	31	47	21	1
9	31	47	22	1
10	30	47	22	1
11	29	47	23	1
12	28	47	24	1
13	27	47	24	1
14	27	47	25	1
15	26	47	26	1
16	25	47	26	2
17	25	46	27	2
18	25	46	27	2
19	24	46	28	2
20	24	45	29	2
21	23	45	29	3
22	23	44	30	3
23	22	44	31	3
24	22	43	32	4
25	21	42	33	4
26	20	42	34	4
27	20	41	34	5
28	19	40	35	5
29	19	40	36	6
30	18	39	36	7