Jales weather in September

In September, Jales sees average daytime highs of 32°C and overnight lows near 20°C, with 52 mm of rain across 6.2 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-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 58% of the time in September, and the air most often feels dry.

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

Daytime high
32°
2nd warmest
Overnight low
20°
5th coldest
Rainfall
52 mm
6.2 wet days
Daylight
11 h 54 min
7:20 AM – 7:13 PM
Cloud cover
40%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.78 kWh/m²
Travel score
4.4
out of 10

Jales 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 Jales 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 27°C and 37°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13219
23220
33220
43220
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153220
163220
173220
183220
193220
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221

How September really feels in Jales

Once humidity and wind are folded in, September averages 29 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
29
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.

Jales weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°24123.413.13.2
Feb31° / 22°18320.412.73.3
Mar30° / 22°16620.212.13.7
Apr30° / 20°649.111.55.2
May28° / 18°435.511.17.0
Jun28° / 17°202.510.87.7
Jul29° / 17°121.910.97.2
Aug31° / 18°172.211.35.8
Sep32° / 20°526.211.94.4
Oct32° / 22°10013.212.53.6
Nov31° / 22°15617.5133.5
Dec31° / 22°21022.113.23.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
38020
47822
57822
67822
77624
87624
97525
107525
117426
127327
137228
147129
157129
167030
176931
186832
196733
206634
216535
226436
236337
246238
256139
266040
275842
285743
295743
305743

Chance of precipitation in September

Any precipitation

Jales gets around 52 mm of rain over 6.2 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 21% 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 (%)
112
213
313
414
514
615
715
816
916
1017
1117
1218
1318
1418
1519
1619
1720
1821
1922
2023
2124
2225
2326
2427
2528
2629
2730
2832
2933
3034

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 40% 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 (%)
162191450
261191460
360191560
459191570
558191670
656201680
754201790
8532017100
9512018110
10492119110
11472119120
12452220130
13432220140
14422321150
15402321160
16382322160
17362422170
18352423181
19332424191
20322424201
21302325211
22292325221
23282225232
24262226242
25252126262
26242026273
27231926283
28221926293
29221826314
30211726324

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 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 7:34 AM to 7:07 AM, and sunset from 7:10 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:347:10
211.67:337:10
311.67:327:10
411.77:317:10
511.77:307:11
611.77:297:11
711.77:297:11
811.77:287:11
911.77:277:12
1011.87:267:12
1111.87:257:12
1211.87:247:12
1311.87:237:12
1411.87:227:13
1511.97:217:13
1611.97:207:13
1711.97:197:13
1811.97:187:14
1911.97:177:14
2012.07:167:14
2112.07:157:14
2212.07:147:14
2312.07:137:15
2412.07:127:15
2512.17:117:15
2612.17:107:15
2712.17:097:16
2812.17:087:16
2912.17:087:16
3012.27:077:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.78 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.16 kWh/m² in October across the year — September's 5.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Jales

In seasonPeak

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

Jales's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Jales?

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

4.4
Sightseeing
6th-best month of the year
7.2
Beach & pool
5th-best month of the year

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

What to pack for Jales in September

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

In September, Jales sees daytime highs around 32°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Jales in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jales peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 23UV 15Jun 21UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug9Very high
Sep10Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Jales 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 Jales is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1721 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr8Good
May8Good
Jun7Good
Jul7Good
Aug11Good
Sep22Moderate
Oct13Moderate
Nov6Good
Dec7Good
Location & terrain

Where is Jales?

Jales sits at 20.3°S, 50.5°W, 507 m above sea level, in Brazil. The nearest listed city is Fernandópolis, 31 km away.

Topography around Jales

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

Within 3 km, the terrain around Jales has only modest variations in elevation — a maximum elevation change of 132 m around an average of 475 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, only modest variations in elevation — a maximum elevation change of 243 m.

The land around Jales is covered by artificial surfaces (37%) and grassland (30%) within 3 km, cropland (42%) and grassland (39%) within 16 km, and cropland (44%) and grassland (35%) within 80 km.

3 km
132 m
16 km
196 m
80 km
243 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Fernandópolis 31 km · Santa Fé do Sul 40 km · Aparecida do Taboado 61 km · Votuporanga 62 km · Iturama 70 km · Pereira Barreto 72 km · Ilha Solteira 85 km · Paranaíba 94 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 Jales (-20.2689°, -50.5458°, elevation 507 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).