Amambai weather in September

In September, Amambai sees average daytime highs of 28°C and overnight lows near 17°C, with 104 mm of rain across 9.1 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 48% 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 Amambai's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Amambai's year-round climate.

Daytime high
28°
7th warmest
Overnight low
17°
5th coldest
Rainfall
104 mm
9.1 wet days
Daylight
11 h 54 min
6:39 AM – 6:31 PM
Cloud cover
46%
3rd clearest
Wind
11 km/h
2nd windiest
Solar energy
5.12 kWh/m²
Travel score
6.2
out of 10

Amambai 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 28°C through the month.

A typical September day in Amambai reaches about 28°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72816
82816
92816
102816
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272918
282918
292918
302918

How September really feels in Amambai

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

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Amambai weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°15418.113.33.8
Feb30° / 21°14716.712.83.9
Mar30° / 21°10814.312.24.5
Apr28° / 18°879.311.56.1
May25° / 15°105910.97.2
Jun24° / 14°858.110.67.5
Jul24° / 13°716.610.77.8
Aug27° / 15°696.111.27.6
Sep28° / 17°1049.111.96.2
Oct30° / 19°15714.212.54.7
Nov30° / 20°15013.913.14.6
Dec30° / 21°16017.313.44.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27129
37030
46931
56832
66733
76634
86535
96436
106436
116337
126337
136337
146337
156337
166337
176238
186238
196238
206139
216139
226040
235941
245842
255842
265644
275545
285446
295347
305248

Chance of precipitation in September

Any precipitation

Amambai gets around 104 mm of rain over 9.1 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 30% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
121
222
323
424
524
625
726
826
927
1027
1127
1228
1328
1428
1529
1629
1730
1830
1931
2032
2132
2233
2335
2436
2537
2638
2739
2840
2940
3041

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14333194
24333205
34233205
44133215
54032226
63932227
73831237
83831248
93730249
103629259
1135292610
1234282711
1333272811
1432272812
1532272913
1631262914
1730262915
1830252916
1929252917
2028242918
2127243019
2226233021
2325233022
2424233024
2523222925
2622222927
2721222928
2820212930
2919212931
3018202932

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2910calm
3010calm

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 6:55 AM to 6:25 AM, and sunset from 6:27 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:556:27
211.66:546:27
311.66:536:27
411.66:526:27
511.66:516:28
611.66:506:28
711.76:496:28
811.76:486:29
911.76:476:29
1011.76:466:29
1111.86:446:30
1211.86:436:30
1311.86:426:30
1411.86:416:31
1511.86:406:31
1611.96:396:31
1711.96:386:32
1811.96:376:32
1911.96:366:32
2012.06:356:33
2112.06:346:33
2212.06:336:33
2312.06:326:34
2412.16:316:34
2512.16:306:34
2612.16:296:35
2712.16:286:35
2812.16:276:35
2912.26:266:36
3012.26:256:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.12 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 6.24 kWh/m² in December across the year — September's 5.12 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Amambai?

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

6.2
Sightseeing
5th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Amambai in September

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

In September, Amambai sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Amambai in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amambai peaks around January 19 at about 16 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 16Jul 11UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug7Very high
Sep6High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Amambai 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 Amambai is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (March, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1623 µg/m³Mar 245 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar5Good
Apr5Good
May6Good
Jun7Good
Jul7Good
Aug15Moderate
Sep24Moderate
Oct15Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Amambai?

Amambai sits at 23.1°S, 55.2°W, 479 m above sea level, in Brazil. The nearest listed city is Caarapó, 67 km away.

Topography around Amambai

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

Within 3 km, the terrain around Amambai has only modest variations in elevation — a maximum elevation change of 106 m around an average of 467 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 246 m; within 80 km, significant variations in elevation — a maximum elevation change of 492 m.

The land around Amambai is covered by grassland (32%), trees (26%) and cropland (21%) within 3 km, cropland (54%), grassland (25%) and trees (20%) within 16 km, and cropland (44%), grassland (35%) and trees (20%) within 80 km.

3 km
106 m
16 km
246 m
80 km
492 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Caarapó 67 km · Pedro Juan Caballero 81 km · Ponta Porã 81 km · Naviraí 106 km · Dourados 107 km · Fátima do Sul 109 km · Itaquiraí 114 km · Itaporã 122 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 Amambai (-23.1042°, -55.2258°, elevation 479 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).