Caazapá weather in September

In September, Caazapá sees average daytime highs of 26°C and overnight lows near 15°C, with 141 mm of rain across 9.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 49% 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 Caazapá's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Caazapá's year-round climate.

Daytime high
26°
8th warmest
Overnight low
15°
5th coldest
Rainfall
141 mm
9.6 wet days
Daylight
11 h 48 min
6:44 AM – 6:35 PM
Cloud cover
47%
2nd clearest
Wind
11 km/h
2nd windiest
Solar energy
4.74 kWh/m²
Travel score
6.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical September day in Caazapá reaches about 26°C in the afternoon and slips back to 15°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
22615
32615
42615
52615
62615
72615
82615
92615
102615
112615
122615
132615
142615
152615
162615
172615
182615
192615
202615
212615
222616
232716
242716
252716
262716
272716
282716
292716
302716

How September really feels in Caazapá

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.

Caazapá weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°1401413.53.5
Feb32° / 21°15513.312.93.8
Mar30° / 20°14111.812.24.7
Apr28° / 18°1499.911.46.3
May24° / 14°1599.110.77.1
Jun22° / 13°1388.710.46.9
Jul22° / 12°1008.610.57.1
Aug25° / 14°857.311.17.6
Sep26° / 15°1419.611.86.9
Oct28° / 18°20413.112.65.6
Nov30° / 19°17311.313.35.0
Dec31° / 21°19113.413.64.0

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 10% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36436
46436
56337
66238
76238
86139
96139
106040
116040
126040
136040
146040
155941
165941
175941
185941
195842
205842
215743
225743
235644
245644
255644
265545
275446
285446
295248
305248

Chance of precipitation in September

Any precipitation

Caazapá gets around 141 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 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
225
326
426
527
627
728
828
929
1029
1130
1230
1331
1431
1532
1632
1733
1833
1934
2035
2135
2235
2336
2436
2537
2637
2737
2837
2937
3038

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 18% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
136282790
236282790
3362727100
4352727110
5352726110
6352726120
7352726120
8342726130
9342725130
10342725140
11332625150
12332625150
13332625161
14332525161
15322525161
16322525171
17322525171
18322425181
19312425181
20312425191
21302425191
22302425201
23292425212
24272425222
25262326222
26252326232
27242326242
28232327252
29222327262
30212327272

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
611calm
711calm
811calm
911calm
1011calm
1111calm
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 7:01 AM to 6:28 AM, and sunset from 6:29 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:016:29
211.57:006:29
311.56:596:30
411.56:586:30
511.66:576:31
611.66:566:31
711.66:556:31
811.66:546:32
911.76:526:32
1011.76:516:33
1111.76:506:33
1211.76:496:34
1311.86:486:34
1411.86:476:34
1511.86:466:35
1611.86:446:35
1711.96:436:36
1811.96:426:36
1911.96:416:36
2012.06:406:37
2112.06:396:37
2212.06:376:38
2312.06:366:38
2412.16:356:39
2512.16:346:39
2612.16:336:40
2712.16:326:40
2812.26:306:40
2912.26:296:41
3012.26:286:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.74 kWh/m².

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 6.69 kWh/m² in December across the year — September's 4.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Caazapá?

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

6.9
Sightseeing
4th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Caazapá in September

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

In September, Caazapá sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Caazapá 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 Caazapá peaks around January 18 at about 14 (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 14Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct7High
Nov12Extreme
Dec13Extreme

Air quality in Caazapá 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 Caazapá is worst in September — around 24 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1124 µg/m³Dec 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar8Good
Apr8Good
May8Good
Jun9Good
Jul13Moderate
Aug22Moderate
Sep24Moderate
Oct14Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Caazapá?

Caazapá sits at 26.2°S, 56.4°W, 150 m above sea level, in Paraguay. The nearest listed city is Villarrica, 50 km away.

Coronel OviedoCaaguazúSan Juan BautistaCaacupéTrinidadItáItauguá

Topography around Caazapá

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

Within 3 km, the terrain around Caazapá has only modest variations in elevation — a maximum elevation change of 71 m around an average of 126 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, large variations in elevation — a maximum elevation change of 759 m.

The land around Caazapá is covered by grassland (58%) and trees (35%) within 3 km, grassland (65%) and trees (30%) within 16 km, and grassland (56%) and trees (34%) within 80 km.

3 km
71 m
16 km
106 m
80 km
759 m
treesgrasslandcroplandartificial surfaceswetland
September weather nearby: Villarrica 50 km · Coronel Oviedo 84 km · Caaguazú 88 km · San Juan Bautista 93 km · Caacupé 119 km · Trinidad 123 km · Itá 126 km · Itauguá 133 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 Caazapá (-26.1966°, -56.3679°, elevation 150 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).