Sapezal weather in September

In September, Sapezal sees average daytime highs of 32°C and overnight lows near 21°C, with 58 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 1st-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 46% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Sapezal's 4th-clearest and 4th-windiest month. For the whole year in context, see Sapezal's year-round climate.

Daytime high
32°
1st warmest
Overnight low
21°
6th coldest
Rainfall
58 mm
10.2 wet days
Daylight
11 h 54 min
6:52 AM – 6:47 PM
Cloud cover
48%
4th clearest
Wind
8 km/h
4th windiest
Solar energy
5.86 kWh/m²
Travel score
4.3
out of 10

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 Sapezal reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83221
93221
103221
113221
123221
133221
143221
153221
163221
173221
183221
193221
203221
213221
223121
233121
243121
253121
263121
273121
283121
293121
303121

How September really feels in Sapezal

Once humidity and wind are folded in, September averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sapezal weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 21°25327.612.73.3
Feb29° / 21°24125.412.53.2
Mar29° / 21°20426.712.13.3
Apr29° / 21°9917.611.74.4
May29° / 19°428.511.45.9
Jun29° / 18°91.811.27.0
Jul29° / 18°61.111.37.0
Aug31° / 19°142.711.65.7
Sep32° / 21°5810.211.94.3
Oct31° / 21°12819.812.33.5
Nov30° / 21°1942412.63.3
Dec29° / 21°24726.612.83.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47723
57723
67525
77426
87426
97228
107228
117129
127030
136931
146832
156832
166634
176634
186535
196436
206337
216139
226040
235941
245842
255743
265545
275446
285347
295149
305149

Chance of precipitation in September

Any precipitation

Sapezal gets around 58 mm of rain over 10.2 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 34% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
118
218
319
420
521
622
722
823
924
1025
1126
1227
1329
1430
1531
1632
1734
1835
1937
2039
2140
2242
2344
2446
2548
2649
2751
2852
2953
3054

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1122432312
2122331322
3112231333
4112131343
5112031354
6101931364
7101830365
8101730376
9101630386
1091529397
1191429408
1281428419
13813274310
14712274410
15611274511
16610264512
17510264613
1859254714
1958244815
2048234916
2147224918
2246215019
2336205120
2435195122
2535175223
2624165325
2724165226
2824155227
2923145229
3013135330

Wind in September

Winds average 8 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.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 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 24 minutes over September. Sunrise moves from 7:03 AM to 6:41 AM, and sunset from 6:47 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.77:036:47
211.77:026:47
311.87:026:47
411.87:016:47
511.87:006:47
611.86:596:47
711.86:596:47
811.86:586:47
911.86:576:47
1011.86:566:47
1111.96:566:47
1211.96:556:47
1311.96:546:47
1411.96:536:47
1511.96:536:47
1611.96:526:47
1711.96:516:47
1812.06:506:47
1912.06:506:47
2012.06:496:47
2112.06:486:47
2212.06:476:47
2312.06:476:48
2412.06:466:48
2512.06:456:48
2612.16:446:48
2712.16:446:48
2812.16:436:48
2912.16:426:48
3012.16:416:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.86 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 5.96 kWh/m² in October across the year — September's 5.86 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Sapezal

In seasonPeak

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

Sapezal's monsoon runs October–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Sapezal?

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

4.3
Sightseeing
6th-best month of the year
6.6
Beach & pool
5th-best month of the year

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

What to pack for Sapezal in September

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

In September, Sapezal sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Sapezal in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sapezal peaks around January 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 16Sep 15UV 5
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Sapezal 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 Sapezal is worst in September — around 43 µg/m³ PM2.5 (poor), about 6.6× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1441 µg/m³Jul 117 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar10Good
Apr9Good
May9Good
Jun10Good
Jul7Good
Aug28Moderate
Sep43Poor
Oct18Moderate
Nov12Moderate
Dec10Good
Location & terrain

Where is Sapezal?

Sapezal sits at 13.5°S, 58.8°W, 560 m above sea level, in Brazil. The nearest listed city is Campo Novo do Parecis, 101 km away.

Topography around Sapezal

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

Within 3 km, the terrain around Sapezal has only modest variations in elevation — a maximum elevation change of 65 m around an average of 556 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 114 m; within 80 km, significant variations in elevation — a maximum elevation change of 444 m.

The land around Sapezal is covered by cropland (47%) and grassland (21%) within 3 km, cropland (80%) within 16 km, and trees (44%) and cropland (29%) within 80 km.

3 km
65 m
16 km
114 m
80 km
444 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Campo Novo do Parecis 101 km · Comodoro 105 km · Vilhena 169 km · Brasnorte 181 km · Tangará da Serra 187 km · Colorado do Oeste 192 km · Pontes e Lacerda 195 km · Vila Bela da Santíssima Trindade 204 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
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Sapezal (-13.5421°, -58.8201°, elevation 560 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).