Andirá weather in September

In September, Andirá sees average daytime highs of 29°C and overnight lows near 17°C, with 89 mm of rain across 7.9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 50% of the time in September, and the air most often feels comfortable.

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 Andirá's 4th-clearest and 1st-windiest month. For the whole year in context, see Andirá's year-round climate.

Daytime high
29°
8th warmest
Overnight low
17°
5th coldest
Rainfall
89 mm
7.9 wet days
Daylight
11 h 54 min
7:19 AM – 7:11 PM
Cloud cover
46%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.24 kWh/m²
Travel score
6.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Andirá reaches about 29°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 22°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12916
22916
32916
42916
52916
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272918
282918
292918
302918

How September really feels in Andirá

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.

Andirá 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
Jan30° / 22°22020.213.33.7
Feb30° / 21°16917.612.83.8
Mar30° / 21°11814.912.24.4
Apr29° / 19°61711.56.0
May26° / 16°70710.97.3
Jun25° / 15°605.610.67.8
Jul25° / 14°424.610.78.0
Aug27° / 15°434.311.27.6
Sep29° / 17°897.911.96.1
Oct30° / 19°11211.712.55.0
Nov30° / 20°13612.713.14.5
Dec30° / 21°16617.313.43.9

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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37228
47129
57030
66832
76832
86733
96634
106535
116436
126436
136337
146337
156238
166238
176139
186040
195941
205941
215842
225842
235743
245545
255446
265347
275248
285149
295149
305050

Chance of precipitation in September

Any precipitation

Andirá gets around 89 mm of rain over 7.9 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 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
117
218
319
419
520
621
721
822
922
1023
1123
1224
1324
1425
1525
1625
1726
1826
1927
2028
2128
2229
2330
2431
2531
2632
2733
2833
2934
3034

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14139174
24038174
34038184
43937195
53837195
63836206
73736216
83636227
93536227
103436238
113236248
123136248
133036259
142837269
152737269
1626372710
1725372810
1825362810
1924362911
2023363012
2122353012
2222343113
2321343114
2420333116
2520323217
2619313218
2718303219
2818293221
2917283222
3017283223

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 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
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 7:35 AM to 7:05 AM, and sunset from 7:07 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:357:07
211.67:347:07
311.67:337:07
411.67:327:08
511.67:317:08
611.67:307:08
711.77:297:08
811.77:287:09
911.77:277:09
1011.77:257:09
1111.87:247:10
1211.87:237:10
1311.87:227:10
1411.87:217:11
1511.87:207:11
1611.97:197:11
1711.97:187:12
1811.97:177:12
1911.97:167:12
2012.07:157:13
2112.07:147:13
2212.07:137:13
2312.07:127:14
2412.17:117:14
2512.17:107:14
2612.17:097:15
2712.17:087:15
2812.17:077:15
2912.27:067:16
3012.27:057:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.24 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.98 kWh/m² in December across the year — September's 5.24 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Andirá

In seasonPeak

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

Andirá'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 Andirá?

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

6.1
Sightseeing
5th-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Andirá in September

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

In September, Andirá sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Andirá in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Andirá peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep7High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Andirá 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 Andirá is worst in September — around 18 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May9Good
Jun9Good
Jul10Good
Aug13Moderate
Sep18Moderate
Oct12Good
Nov7Good
Dec7Good
Location & terrain

Where is Andirá?

Andirá sits at 23.1°S, 50.2°W, 490 m above sea level, in Brazil. The nearest listed city is Bandeirantes, 16 km away.

Topography around Andirá

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

Within 3 km, the terrain around Andirá has only modest variations in elevation — a maximum elevation change of 116 m around an average of 460 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, large variations in elevation — a maximum elevation change of 787 m.

The land around Andirá is covered by cropland (61%) within 3 km, cropland (74%) within 16 km, and cropland (56%) and grassland (22%) within 80 km.

3 km
116 m
16 km
272 m
80 km
787 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bandeirantes 16 km · Cambará 16 km · Palmital 29 km · Jacarezinho 29 km · Santo Antônio da Platina 31 km · Cândido Mota 37 km · Ourinhos 38 km · Cornélio Procópio 45 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 Andirá (-23.0506°, -50.2289°, elevation 490 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).