Caaguazú weather in September

In September, Caaguazú sees average daytime highs of 27°C and overnight lows near 16°C, with 145 mm of rain across 9.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 50% 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 Caaguazú's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Caaguazú's year-round climate.

Daytime high
27°
8th warmest
Overnight low
16°
5th coldest
Rainfall
145 mm
9.6 wet days
Daylight
11 h 54 min
6:43 AM – 6:34 PM
Cloud cover
47%
3rd clearest
Wind
11 km/h
2nd windiest
Solar energy
4.84 kWh/m²
Travel score
6.8
out of 10

Caaguazú is District & City in Caaguazú, Paraguay.

Density
59/km²
people per km²
Founded
1845

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 27°C through the month.

A typical September day in Caaguazú reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12615
22715
32715
42715
52715
62715
72715
82715
92715
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282717
292717
302717

How September really feels in Caaguazú

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.

Caaguazú 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°13815.913.43.6
Feb31° / 21°1531512.93.9
Mar30° / 20°13112.912.24.7
Apr28° / 18°1501011.46.3
May24° / 15°1539.610.87.0
Jun22° / 14°121910.47.0
Jul22° / 13°967.810.67.3
Aug25° / 14°876.811.17.7
Sep27° / 16°1459.611.86.8
Oct28° / 18°19213.312.65.4
Nov30° / 19°1801213.24.9
Dec31° / 21°17615.513.64.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36832
46832
56733
66634
76634
86634
96436
106436
116436
126436
136436
146436
156337
166238
176238
186139
195941
205941
215842
225644
235545
245545
255347
265248
275149
285149
295050
305050

Chance of precipitation in September

Any precipitation

Caaguazú gets around 145 mm of rain over 9.6 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 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
122
223
323
424
525
626
726
827
928
1029
1130
1230
1331
1432
1532
1633
1734
1834
1935
2036
2136
2237
2337
2438
2538
2639
2739
2839
2940
3040

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141342060
240332060
340332160
439332170
539322270
638322380
738312380
837302480
937302590
1036292690
11362826100
12352727100
13352628110
14352628110
15342529120
16342429120
17342430130
18332330130
19332330140
20332330150
21322230160
22312230170
23302230180
24292230190
25282230200
26272229210
27262229220
28252229231
29242229241
30232229261

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 7:00 AM to 6:27 AM, and sunset from 6:28 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:006:28
211.56:586:28
311.56:576:29
411.56:566:29
511.66:556:30
611.66:546:30
711.66:536:30
811.66:526:31
911.76:516:31
1011.76:506:32
1111.76:486:32
1211.86:476:32
1311.86:466:33
1411.86:456:33
1511.86:446:34
1611.96:436:34
1711.96:426:34
1811.96:416:35
1911.96:396:35
2012.06:386:36
2112.06:376:36
2212.06:366:36
2312.06:356:37
2412.16:346:37
2512.16:336:38
2612.16:316:38
2712.16:306:38
2812.26:296:39
2912.26:286:39
3012.26:276:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 6.57 kWh/m² in December across the year — September's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Caaguazú?

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

6.8
Sightseeing
5th-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Caaguazú in September

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

In September, Caaguazú sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Caaguazú 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 Caaguazú peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 18UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Caaguazú 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 Caaguazú is worst in September — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1226 µg/m³Dec 208 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar8Good
Apr9Good
May10Good
Jun11Good
Jul13Moderate
Aug23Moderate
Sep27Moderate
Oct16Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Caaguazú?

Caaguazú sits at 25.5°S, 56.0°W, 336 m above sea level, in Paraguay. The nearest listed city is Coronel Oviedo, 43 km away.

VillarricaCaazapáCaacupéSan BernardinoItauguáItáCiudad del Este

Topography around Caaguazú

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

Within 3 km, the terrain around Caaguazú has only modest variations in elevation — a maximum elevation change of 94 m around an average of 320 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 207 m; within 80 km, large variations in elevation — a maximum elevation change of 753 m.

The land around Caaguazú is covered by trees (39%), artificial surfaces (30%) and grassland (28%) within 3 km, grassland (47%) and trees (35%) within 16 km, and grassland (40%), trees (33%) and cropland (24%) within 80 km.

3 km
94 m
16 km
207 m
80 km
753 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Coronel Oviedo 43 km · Villarrica 52 km · Caazapá 88 km · Caacupé 113 km · San Bernardino 130 km · Itauguá 135 km · Itá 136 km · Ciudad del Este 137 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 Caaguazú (-25.471°, -56.016°, elevation 336 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).