Anastácio weather in September

In September, Anastácio sees average daytime highs of 32°C and overnight lows near 20°C, with 87 mm of rain across 7.8 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 9th-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 53% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Anastácio's 4th-clearest and 1st-windiest month. For the whole year in context, see Anastácio's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
20°
5th coldest
Rainfall
87 mm
7.8 wet days
Daylight
11 h 54 min
6:41 AM – 6:34 PM
Cloud cover
43%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
5.44 kWh/m²
Travel score
4.5
out of 10

Anastácio is human 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 32°C through the month.

A typical September day in Anastácio reaches about 32°C in the afternoon and slips back to 20°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13119
23219
33219
43219
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153220
163220
173220
183220
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221

How September really feels in Anastácio

Once humidity and wind are folded in, September averages 9 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
9
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.

Anastácio weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°22322.513.13.0
Feb31° / 23°18420.512.73.0
Mar31° / 23°14617.812.13.6
Apr31° / 21°1009.811.54.8
May28° / 18°987.9116.6
Jun27° / 18°58510.87.5
Jul28° / 17°38410.97.6
Aug30° / 18°344.111.35.9
Sep32° / 20°877.811.94.5
Oct32° / 22°14613.912.53.6
Nov32° / 22°16916.1133.5
Dec32° / 23°21121.613.23.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37327
47327
57129
67129
77030
86931
96931
106931
116832
126832
136832
146832
156832
166733
176733
186832
196733
206634
216733
226634
236535
246436
256337
266238
276139
286040
295941
305941

Chance of precipitation in September

Any precipitation

Anastácio gets around 87 mm of rain over 7.8 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 26% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
116
217
317
418
519
619
720
820
921
1021
1122
1222
1323
1424
1524
1625
1726
1827
1927
2028
2129
2231
2332
2433
2535
2636
2737
2838
2938
3039

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 27% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1303027111
2293027121
3283027131
4273027142
5262927152
6262927162
7252827173
8242727183
9242627193
10232528204
11222428224
12212328235
13212229245
14202129255
15192029266
16191929276
17181829287
18181728297
19171728308
20161628319
21161527329
221515273310
231414273411
241314263512
251213263513
261213253615
271113243716
281012243717
291012233718
30912223819

Wind in September

Winds average 10 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 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 6:55 AM to 6:28 AM, and sunset from 6:31 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:556:31
211.66:546:31
311.66:536:31
411.66:536:31
511.76:526:32
611.76:516:32
711.76:506:32
811.76:496:32
911.76:486:32
1011.86:476:33
1111.86:466:33
1211.86:456:33
1311.86:446:33
1411.86:436:34
1511.96:426:34
1611.96:416:34
1711.96:406:34
1811.96:396:35
1911.96:386:35
2012.06:376:35
2112.06:366:35
2212.06:356:35
2312.06:346:36
2412.06:336:36
2512.16:326:36
2612.16:316:36
2712.16:306:37
2812.16:296:37
2912.16:296:37
3012.26:286:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 6.01 kWh/m² in November across the year — September's 5.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
Planning a trip in September

Hazard calendar for Anastácio

In seasonPeak

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

Anastácio'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 Anastácio?

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

4.5
Sightseeing
6th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Anastácio in September

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

In September, Anastácio sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Anastácio in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Anastácio peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highModerateExtremeJan 19UV 15Sep 15UV 3
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep2Moderate
Oct10Very high
Nov13Extreme
Dec13Extreme

Air quality in Anastácio 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 Anastácio is worst in September — around 27 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1826 µg/m³Jul 106 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr6Good
May7Good
Jun6Good
Jul6Good
Aug11Good
Sep27Moderate
Oct18Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Anastácio?

Anastácio sits at 20.5°S, 55.8°W, 170 m above sea level, in Brazil. The nearest listed city is Aquidauana, 2.0 km away.

Topography around Anastácio

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

Within 3 km, the terrain around Anastácio has only modest variations in elevation — a maximum elevation change of 68 m around an average of 161 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, large variations in elevation — a maximum elevation change of 616 m.

The land around Anastácio is covered by trees (49%), grassland (24%) and artificial surfaces (24%) within 3 km, grassland (57%) and trees (38%) within 16 km, and trees (46%) and grassland (44%) within 80 km.

3 km
68 m
16 km
355 m
80 km
616 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Aquidauana 2.0 km · Miranda 65 km · Terenos 99 km · Bonito 100 km · Sidrolândia 101 km · Jardim 116 km · Campo Grande 121 km · Maracaju 142 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 Anastácio (-20.4836°, -55.8069°, elevation 170 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).