Santa Fé do Sul weather in September

In September, Santa Fé do Sul sees average daytime highs of 32°C and overnight lows near 20°C, with 55 mm of rain across 6.4 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 57% 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 Santa Fé do Sul's 4th-clearest and 2nd-windiest month. For the whole year in context, see Santa Fé do Sul's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
20°
5th coldest
Rainfall
55 mm
6.4 wet days
Daylight
11 h 54 min
7:21 AM – 7:15 PM
Cloud cover
40%
4th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.75 kWh/m²
Travel score
4.4
out of 10

Santa Fé do Sul 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 Santa Fé do Sul 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 26°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
163221
173221
183221
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221

How September really feels in Santa Fé do Sul

Once humidity and wind are folded in, September averages 30 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
30
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.

Santa Fé do Sul 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
Jan31° / 23°24622.513.13.3
Feb31° / 23°19120.312.73.3
Mar31° / 23°17219.712.13.7
Apr30° / 21°658.811.65.1
May28° / 18°445.411.16.9
Jun28° / 17°20310.87.5
Jul29° / 17°12210.97.1
Aug31° / 18°172.611.35.8
Sep32° / 20°556.411.94.4
Oct32° / 22°10512.912.53.6
Nov32° / 22°15517133.5
Dec31° / 23°20921.313.23.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27921
37822
47723
57723
67624
77525
87426
97327
107228
117129
127030
136931
146931
156931
166832
176733
186634
196535
206436
216337
226238
236139
246040
255941
265842
275842
285743
295743
305545

Chance of precipitation in September

Any precipitation

Santa Fé do Sul gets around 55 mm of rain over 6.4 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 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
114
214
315
415
516
616
717
817
917
1018
1118
1218
1318
1419
1519
1620
1720
1821
1922
2023
2124
2225
2326
2427
2528
2629
2730
2831
2932
3033

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 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
154231670
252221781
351221791
451221791
5492218101
6482218111
7462219121
8452219131
9432220142
10412320152
11392321162
12372421172
13352422182
14332422192
15312523202
16302523212
17282523222
18272523232
19252523242
20242423263
21232423273
22222423283
23212323294
24202223305
25192123315
26182023326
27182023337
28171923348
29161822359
301517223510

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
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 7:36 AM to 7:08 AM, and sunset from 7:11 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:367:11
211.67:357:11
311.67:347:12
411.77:337:12
511.77:327:12
611.77:317:12
711.77:307:13
811.77:297:13
911.77:287:13
1011.87:277:13
1111.87:267:14
1211.87:257:14
1311.87:247:14
1411.87:237:14
1511.97:227:14
1611.97:217:15
1711.97:207:15
1811.97:207:15
1911.97:197:15
2012.07:187:16
2112.07:177:16
2212.07:167:16
2312.07:157:16
2412.07:147:16
2512.17:137:17
2612.17:127:17
2712.17:117:17
2812.17:107:17
2912.17:097:18
3012.27:087:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.75 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 6.19 kWh/m² in November across the year — September's 5.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
306.0Bright
Planning a trip in September

Hazard calendar for Santa Fé do Sul

In seasonPeak

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

Santa Fé do Sul'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 Santa Fé do Sul?

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 Santa Fé do Sul for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Fé do Sul in September

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

In September, Santa Fé do Sul 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 Santa Fé do Sul in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Fé do Sul peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 21UV 15Jun 22UV 7
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr11Extreme
May8Very high
Jun7High
Jul7High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Santa Fé do Sul 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 Santa Fé do Sul is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (July, 5 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1717 µg/m³Jul 125 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun6Good
Jul5Good
Aug9Good
Sep18Moderate
Oct12Good
Nov6Good
Dec6Good
Location & terrain

Where is Santa Fé do Sul?

Santa Fé do Sul sits at 20.2°S, 50.9°W, 402 m above sea level, in Brazil. The nearest listed city is Aparecida do Taboado, 22 km away.

Topography around Santa Fé do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Fé do Sul.

Within 3 km, the terrain around Santa Fé do Sul has only modest variations in elevation — a maximum elevation change of 110 m around an average of 386 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 176 m; within 80 km, significant variations in elevation — a maximum elevation change of 274 m.

The land around Santa Fé do Sul is covered by grassland (41%) and artificial surfaces (28%) within 3 km, grassland (45%) and cropland (23%) within 16 km, and cropland (40%) and grassland (36%) within 80 km.

3 km
110 m
16 km
176 m
80 km
274 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Aparecida do Taboado 22 km · Jales 40 km · Ilha Solteira 50 km · Pereira Barreto 51 km · Paranaíba 66 km · Fernandópolis 71 km · Andradina 90 km · Iturama 93 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 Santa Fé do Sul (-20.2111°, -50.9258°, elevation 402 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).