Jaciara weather in September

In September, Jaciara sees average daytime highs of 33°C and overnight lows near 21°C, with 70 mm of rain across 9.5 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 33°C through the month. The sky is clear or mostly clear about 49% 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 Jaciara's 4th-clearest and 3rd-windiest month. For the whole year in context, see Jaciara's year-round climate.

Daytime high
33°
1st warmest
Overnight low
21°
6th coldest
Rainfall
70 mm
9.5 wet days
Daylight
11 h 54 min
6:37 AM – 6:32 PM
Cloud cover
45%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.81 kWh/m²
Travel score
3.8
out of 10

Jaciara is settlement in Brazil.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical September day in Jaciara reaches about 33°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 36°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13320
23320
33320
43321
53321
63321
73321
83321
93321
103321
113321
123321
133321
143321
153321
163321
173322
183322
193322
203322
213322
223322
233322
243322
253322
263222
273222
283222
293222
303222

How September really feels in Jaciara

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
30
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.

Jaciara 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
Jan30° / 22°30026.312.83.0
Feb30° / 22°26624.412.53.0
Mar30° / 22°25325.412.13.1
Apr30° / 21°1151511.74.3
May29° / 19°436.911.35.9
Jun29° / 18°111.611.16.7
Jul30° / 18°70.911.16.7
Aug32° / 19°152.611.55.2
Sep33° / 21°709.511.93.8
Oct32° / 22°18220.312.43.1
Nov31° / 22°24723.112.73.1
Dec30° / 22°30727.312.92.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47822
57822
67723
77624
87624
97426
107327
117327
127129
137030
146931
156931
166832
176733
186733
196535
206535
216436
226238
236139
246040
255842
265743
275545
285446
295446
305248

Chance of precipitation in September

Any precipitation

Jaciara gets around 70 mm of rain over 9.5 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 32% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
117
218
318
419
519
620
720
821
922
1022
1123
1224
1325
1426
1528
1629
1731
1832
1934
2036
2138
2240
2342
2444
2546
2648
2750
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 35% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1203128191
2203127202
3203027212
4192927222
5192927233
6182827243
7182727244
8172727254
9162627265
10152527276
11142428286
12132328297
13122228308
14112128328
15102028339
1691928349
17818283510
18717283710
19716283811
20615284012
21614274112
22512264313
23511254514
24411244615
25410234716
2649214817
2739204919
2838195020
2928185022
3028175023

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:49 AM to 6:25 AM, and sunset from 6:30 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:496:30
211.76:486:30
311.76:476:30
411.76:476:30
511.76:466:31
611.86:456:31
711.86:446:31
811.86:436:31
911.86:436:31
1011.86:426:31
1111.86:416:31
1211.96:406:31
1311.96:396:31
1411.96:396:31
1511.96:386:31
1611.96:376:32
1711.96:366:32
1811.96:356:32
1912.06:346:32
2012.06:346:32
2112.06:336:32
2212.06:326:32
2312.06:316:32
2412.06:306:32
2512.16:296:32
2612.16:296:33
2712.16:286:33
2812.16:276:33
2912.16:266:33
3012.16:256:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.01 kWh/m² in October across the year — September's 5.81 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Jaciara

In seasonPeak

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

Jaciara'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 Jaciara?

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

3.8
Sightseeing
6th-best month of the year
6.5
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in Jaciara. The water and warmth also suit a beach or pool day.

What to pack for Jaciara in September

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

In September, Jaciara sees daytime highs around 33°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 Jaciara in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jaciara peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Jun 21UV 8
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Jaciara 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 Jaciara is worst in September — around 32 µg/m³ PM2.5 (moderate), about 7.1× the cleanest month (July, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1630 µg/m³Jul 105 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr6Good
May6Good
Jun6Good
Jul5Good
Aug19Moderate
Sep32Moderate
Oct17Moderate
Nov9Good
Dec8Good
Location & terrain

Where is Jaciara?

Jaciara sits at 16.0°S, 55.0°W, 362 m above sea level, in Brazil. The nearest listed city is Campo Verde, 51 km away.

Topography around Jaciara

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

Within 3 km, the terrain around Jaciara has only modest variations in elevation — a maximum elevation change of 169 m around an average of 299 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 377 m; within 80 km, large variations in elevation — a maximum elevation change of 770 m.

The land around Jaciara is covered by grassland (41%), trees (37%) and artificial surfaces (20%) within 3 km, grassland (54%) and trees (33%) within 16 km, and trees (37%), grassland (35%) and cropland (23%) within 80 km.

3 km
169 m
16 km
377 m
80 km
770 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Campo Verde 51 km · Poxoréu 64 km · Rondonópolis 66 km · Pedra Preta 90 km · Chapada dos Guimarães 101 km · Lucas 111 km · Santo Antônio do Leverger 119 km · Cuiabá 128 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 Jaciara (-15.9653°, -54.9683°, elevation 362 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).