Extrema weather in September

In September, Extrema sees average daytime highs of 24°C and overnight lows near 13°C, with 105 mm of rain across 10.3 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 24°C through the month. The sky is clear or mostly clear about 42% of the time in September, and the air most often feels dry.

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 Extrema's 4th-clearest and 1st-windiest month. For the whole year in context, see Extrema's year-round climate.

Daytime high: 24°; 8th warmest
Overnight low: 13°; 5th coldest
Rainfall: 105 mm; 10.3 wet days
Daylight: 11 h 54 min; 7:04 AM – 6:56 PM
Cloud cover: 52%; 4th clearest
Wind: 9 km/h; 1st windiest
Solar energy: 5.19 kWh/m²
Travel score: 7.0; out of 10

Extrema is human settlement in Brazil.

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

← August Extrema 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 24°C through the month.

A typical September day in Extrema reaches about 24°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°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)	23	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Avg low (°C)	12	12	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

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

Extrema 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	25° / 17°	329	25.9	13.2	4.2
Feb	26° / 17°	255	21.3	12.8	4.6
Mar	25° / 17°	204	21.5	12.2	5.0
Apr	24° / 15°	82	11.7	11.5	6.7
May	21° / 12°	69	7.8	10.9	7.0
Jun	21° / 11°	46	5.2	10.6	7.4
Jul	21° / 10°	48	4.5	10.7	7.6
Aug	22° / 11°	38	5.1	11.2	7.9
Sep	24° / 13°	105	10.3	11.9	7.0
Oct	24° / 15°	158	16.6	12.5	5.8
Nov	24° / 16°	205	19.6	13.1	5.3
Dec	25° / 17°	284	23.9	13.4	4.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 43%. 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 (%)	72	70	69	68	67	66	65	64	63	61	60	59	58	57	57	56	55	54	54	53	52	51	49	49	48	46	46	45	44	43
Cloudier (%)	28	30	31	32	33	34	35	36	37	39	40	41	42	43	43	44	45	46	46	47	48	49	51	51	52	54	54	55	56	57

	Clearer (%)	Cloudier (%)
1	72	28
2	70	30
3	69	31
4	68	32
5	67	33
6	66	34
7	65	35
8	64	36
9	63	37
10	61	39
11	60	40
12	59	41
13	58	42
14	57	43
15	57	43
16	56	44
17	55	45
18	54	46
19	54	46
20	53	47
21	52	48
22	51	49
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	44	56
30	43	57

Chance of precipitation in September

Any precipitation

Extrema gets around 105 mm of rain over 10.3 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 34% and peaks near 47% 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 (%)	24	25	25	26	26	27	27	28	28	29	29	30	30	31	32	32	33	34	36	37	38	39	41	42	43	44	45	46	46	47

	Rain chance (%)
1	24
2	25
3	25
4	26
5	26
6	27
7	27
8	28
9	28
10	29
11	29
12	30
13	30
14	31
15	32
16	32
17	33
18	34
19	36
20	37
21	38
22	39
23	41
24	42
25	43
26	44
27	45
28	46
29	46
30	47

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 56% 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 (%)	75	74	72	71	69	68	67	66	64	63	61	60	59	58	57	55	54	53	51	50	49	47	46	45	44	42	41	39	38	37
Comfortable (%)	24	25	27	28	29	30	31	32	33	34	35	36	37	37	38	39	40	40	41	41	41	42	42	42	42	42	42	43	43	43
Humid (%)	1	1	1	1	2	2	2	2	3	3	4	4	4	5	5	6	6	7	8	9	10	11	12	13	15	16	17	18	19	20

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	72	27	1
4	71	28	1
5	69	29	2
6	68	30	2
7	67	31	2
8	66	32	2
9	64	33	3
10	63	34	3
11	61	35	4
12	60	36	4
13	59	37	4
14	58	37	5
15	57	38	5
16	55	39	6
17	54	40	6
18	53	40	7
19	51	41	8
20	50	41	9
21	49	41	10
22	47	42	11
23	46	42	12
24	45	42	13
25	44	42	15
26	42	42	16
27	41	42	17
28	39	43	18
29	38	43	19
30	37	43	20

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 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)	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	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	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	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 7:19 AM to 6:49 AM, and sunset from 6:51 PM to 7:00 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	11.6	11.6	11.6	11.6	11.6	11.7	11.7	11.7	11.7	11.8	11.8	11.8	11.8	11.8	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.0	12.1	12.1	12.1	12.1	12.1	12.2	12.2
Sunrise (AM)	7:19	7:18	7:17	7:16	7:15	7:14	7:13	7:12	7:11	7:10	7:09	7:08	7:07	7:06	7:05	7:04	7:02	7:01	7:00	6:59	6:58	6:57	6:56	6:55	6:54	6:53	6:52	6:51	6:50	6:49
Sunset (PM)	6:51	6:51	6:52	6:52	6:52	6:53	6:53	6:53	6:54	6:54	6:54	6:54	6:55	6:55	6:55	6:56	6:56	6:56	6:57	6:57	6:57	6:58	6:58	6:58	6:59	6:59	6:59	7:00	7:00	7:00

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.5	7:19	6:51
2	11.6	7:18	6:51
3	11.6	7:17	6:52
4	11.6	7:16	6:52
5	11.6	7:15	6:52
6	11.6	7:14	6:53
7	11.7	7:13	6:53
8	11.7	7:12	6:53
9	11.7	7:11	6:54
10	11.7	7:10	6:54
11	11.8	7:09	6:54
12	11.8	7:08	6:54
13	11.8	7:07	6:55
14	11.8	7:06	6:55
15	11.8	7:05	6:55
16	11.9	7:04	6:56
17	11.9	7:02	6:56
18	11.9	7:01	6:56
19	11.9	7:00	6:57
20	12.0	6:59	6:57
21	12.0	6:58	6:57
22	12.0	6:57	6:58
23	12.0	6:56	6:58
24	12.1	6:55	6:58
25	12.1	6:54	6:59
26	12.1	6:53	6:59
27	12.1	6:52	6:59
28	12.1	6:51	7:00
29	12.2	6:50	7:00
30	12.2	6:49	7:00

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.19 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.61 kWh/m² in November across the year — September's 5.19 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)	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.3	5.3
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	5.2	Bright
2	5.2	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	5.2	Bright
12	5.2	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.2	Bright
19	5.2	Bright
20	5.2	Bright
21	5.2	Bright
22	5.2	Bright
23	5.2	Bright
24	5.2	Bright
25	5.2	Bright
26	5.2	Bright
27	5.2	Bright
28	5.2	Bright
29	5.3	Bright
30	5.3	Bright

Planning a trip in September

Hazard calendar for Extrema

In seasonPeak

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

Extrema'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 Extrema?

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

7.0

Sightseeing

4th-best month of the year

5.8

Beach & pool

1st-best month of the year

September is one of the better times to visit Extrema for general sightseeing.

What to pack for Extrema in September

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

In September, Extrema sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Extrema in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Extrema peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (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	13	10	7	6	6	8	9	12	14	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	13	Extreme
Apr	10	Very high
May	7	High
Jun	6	High
Jul	6	High
Aug	8	Very high
Sep	9	Very high
Oct	12	Extreme
Nov	14	Extreme
Dec	14	Extreme

Air quality in Extrema 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 Extrema is worst in September — around 27 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 15 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	16	18	21	24	25	26	25	27	20	15	15
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	15	Moderate
Feb	16	Moderate
Mar	18	Moderate
Apr	21	Moderate
May	24	Moderate
Jun	25	Moderate
Jul	26	Moderate
Aug	25	Moderate
Sep	27	Moderate
Oct	20	Moderate
Nov	15	Moderate
Dec	15	Moderate

Location & terrain

Where is Extrema?

Extrema sits at 22.9°S, 46.3°W, 946 m above sea level, in Brazil. The nearest listed city is Camanducaia, 21 km away.

Topography around Extrema

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

Within 3 km, the terrain around Extrema has large variations in elevation — a maximum elevation change of 681 m around an average of 1,011 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 909 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,510 m.

The land around Extrema is covered by trees (48%) and grassland (27%) within 3 km, trees (48%) and grassland (41%) within 16 km, and trees (45%) and grassland (40%) within 80 km.

3 km

681 m

trees 48%

16 km

909 m

trees 48%

80 km

1,510 m

trees 45%

treesgrasslandcroplandartificial surfacesbare terrainwater

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

September weather nearby: Camanducaia 21 km · Piracaia 23 km · Bragança Paulista 26 km · Pinhalzinho 29 km · Bom Jesus dos Perdões 35 km · Socorro 36 km · Nazaré Paulista 37 km · Atibaia 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 Extrema (-22.8547°, -46.3183°, elevation 946 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	23	12
2	24	12
3	24	13
4	24	13
5	24	13
6	24	13
7	24	13
8	24	13
9	24	13
10	24	13
11	24	13
12	24	13
13	24	13
14	24	13
15	24	14
16	24	14
17	24	14
18	24	14
19	24	14
20	24	14
21	24	14
22	24	14
23	24	14
24	24	14
25	24	14
26	24	14
27	24	14
28	24	14
29	24	14
30	24	14

	Clearer (%)	Cloudier (%)
1	72	28
2	70	30
3	69	31
4	68	32
5	67	33
6	66	34
7	65	35
8	64	36
9	63	37
10	61	39
11	60	40
12	59	41
13	58	42
14	57	43
15	57	43
16	56	44
17	55	45
18	54	46
19	54	46
20	53	47
21	52	48
22	51	49
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	44	56
30	43	57

	Rain chance (%)
1	24
2	25
3	25
4	26
5	26
6	27
7	27
8	28
9	28
10	29
11	29
12	30
13	30
14	31
15	32
16	32
17	33
18	34
19	36
20	37
21	38
22	39
23	41
24	42
25	43
26	44
27	45
28	46
29	46
30	47

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	72	27	1
4	71	28	1
5	69	29	2
6	68	30	2
7	67	31	2
8	66	32	2
9	64	33	3
10	63	34	3
11	61	35	4
12	60	36	4
13	59	37	4
14	58	37	5
15	57	38	5
16	55	39	6
17	54	40	6
18	53	40	7
19	51	41	8
20	50	41	9
21	49	41	10
22	47	42	11
23	46	42	12
24	45	42	13
25	44	42	15
26	42	42	16
27	41	42	17
28	39	43	18
29	38	43	19
30	37	43	20

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

	Clearer (%)	Cloudier (%)
1	72	28
2	70	30
3	69	31
4	68	32
5	67	33
6	66	34
7	65	35
8	64	36
9	63	37
10	61	39
11	60	40
12	59	41
13	58	42
14	57	43
15	57	43
16	56	44
17	55	45
18	54	46
19	54	46
20	53	47
21	52	48
22	51	49
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	44	56
30	43	57

	Rain chance (%)
1	24
2	25
3	25
4	26
5	26
6	27
7	27
8	28
9	28
10	29
11	29
12	30
13	30
14	31
15	32
16	32
17	33
18	34
19	36
20	37
21	38
22	39
23	41
24	42
25	43
26	44
27	45
28	46
29	46
30	47

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	72	27	1
4	71	28	1
5	69	29	2
6	68	30	2
7	67	31	2
8	66	32	2
9	64	33	3
10	63	34	3
11	61	35	4
12	60	36	4
13	59	37	4
14	58	37	5
15	57	38	5
16	55	39	6
17	54	40	6
18	53	40	7
19	51	41	8
20	50	41	9
21	49	41	10
22	47	42	11
23	46	42	12
24	45	42	13
25	44	42	15
26	42	42	16
27	41	42	17
28	39	43	18
29	38	43	19
30	37	43	20

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

	Clearer (%)	Cloudier (%)
1	72	28
2	70	30
3	69	31
4	68	32
5	67	33
6	66	34
7	65	35
8	64	36
9	63	37
10	61	39
11	60	40
12	59	41
13	58	42
14	57	43
15	57	43
16	56	44
17	55	45
18	54	46
19	54	46
20	53	47
21	52	48
22	51	49
23	49	51
24	49	51
25	48	52
26	46	54
27	46	54
28	45	55
29	44	56
30	43	57

	Rain chance (%)
1	24
2	25
3	25
4	26
5	26
6	27
7	27
8	28
9	28
10	29
11	29
12	30
13	30
14	31
15	32
16	32
17	33
18	34
19	36
20	37
21	38
22	39
23	41
24	42
25	43
26	44
27	45
28	46
29	46
30	47

	Dry (%)	Comfortable (%)	Humid (%)
1	75	24	1
2	74	25	1
3	72	27	1
4	71	28	1
5	69	29	2
6	68	30	2
7	67	31	2
8	66	32	2
9	64	33	3
10	63	34	3
11	61	35	4
12	60	36	4
13	59	37	4
14	58	37	5
15	57	38	5
16	55	39	6
17	54	40	6
18	53	40	7
19	51	41	8
20	50	41	9
21	49	41	10
22	47	42	11
23	46	42	12
24	45	42	13
25	44	42	15
26	42	42	16
27	41	42	17
28	39	43	18
29	38	43	19
30	37	43	20