Juiz de Fora weather in September

In September, Juiz de Fora sees average daytime highs of 26°C and overnight lows near 16°C, with 78 mm of rain across 9.6 wet days and about 11.9 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 31% of the time in September, and the air most often feels comfortable.

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 Juiz de Fora's 5th-clearest and 1st-windiest month. For the whole year in context, see Juiz de Fora's year-round climate.

Daytime high
26°
8th warmest
Overnight low
16°
5th coldest
Rainfall
78 mm
9.6 wet days
Daylight
11 h 54 min
6:51 AM – 6:44 PM
Cloud cover
60%
5th clearest
Wind
9 km/h
1st windiest
Solar energy
4.64 kWh/m²
Travel score
6.7
out of 10

Juiz de Fora 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 26°C through the month.

A typical September day in Juiz de Fora reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12515
22515
32615
42615
52615
62615
72615
82615
92615
102615
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302617

Juiz de Fora 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
Jan29° / 20°34222.513.23.9
Feb29° / 20°25217.912.74.1
Mar28° / 19°24221.412.24.3
Apr27° / 18°10012.911.56.0
May24° / 15°558.4117.1
Jun24° / 14°244.510.77.9
Jul24° / 13°234.710.88.0
Aug25° / 14°305.411.37.8
Sep26° / 16°789.611.96.7
Oct27° / 17°14515.312.55.6
Nov27° / 18°28121134.6
Dec28° / 20°34023.713.34.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25842
35842
45644
55545
65446
75248
85149
94951
104852
114753
124555
134456
144357
154258
164159
173961
183862
193862
203763
213664
223565
233466
243466
253367
263367
273367
283268
293268
303169

Chance of precipitation in September

Any precipitation

Juiz de Fora gets around 78 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 43% 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
423
524
624
725
825
926
1026
1127
1228
1329
1430
1531
1632
1733
1834
1935
2036
2137
2238
2339
2439
2540
2641
2741
2842
2942
3043

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12747251
22647261
32647261
42547271
52447271
62347282
72347282
82247292
92047302
101947313
111847323
121747334
131646344
141546354
151445365
161345375
171244376
181243387
191242397
201142398
211141399
2211403910
2311394011
2411384012
2511374013
2611364014
2710354015
2810344116
2910334116
3010324117

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 7:06 AM to 6:37 AM, and sunset from 6:40 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:066:40
211.67:056:40
311.67:046:40
411.67:036:41
511.67:026:41
611.77:016:41
711.77:006:42
811.76:596:42
911.76:586:42
1011.76:576:42
1111.86:566:43
1211.86:556:43
1311.86:546:43
1411.86:536:43
1511.96:526:44
1611.96:516:44
1711.96:506:44
1811.96:496:45
1911.96:486:45
2012.06:476:45
2112.06:466:45
2212.06:456:46
2312.06:446:46
2412.06:436:46
2512.16:426:47
2612.16:416:47
2712.16:406:47
2812.16:396:47
2912.26:386:48
3012.26:376:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.64 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 5.9 kWh/m² in February across the year — September's 4.64 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in September

Hazard calendar for Juiz de Fora

In seasonPeak

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

Juiz de Fora'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 Juiz de Fora?

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

6.7
Sightseeing
5th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Juiz de Fora in September

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

In September, Juiz de Fora sees daytime highs around 26°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 Juiz de Fora in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Juiz de Fora peaks around February 10 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 10UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Juiz de Fora 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 Juiz de Fora is worst in September — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1521 µg/m³Jan 1111 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Juiz de Fora?

Juiz de Fora sits at 21.8°S, 43.4°W, 707 m above sea level, in Brazil. The nearest listed city is Santos Dumont, 40 km away.

Topography around Juiz de Fora

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

Within 3 km, the terrain around Juiz de Fora has significant variations in elevation — a maximum elevation change of 278 m around an average of 764 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 617 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,836 m.

The land around Juiz de Fora is covered by artificial surfaces (63%) and trees (26%) within 3 km, grassland (53%) and trees (38%) within 16 km, and grassland (58%) and trees (41%) within 80 km.

3 km
278 m
16 km
617 m
80 km
1,836 m
treesgrasslandartificial surfaceswater
September weather nearby: Santos Dumont 40 km · Três Rios 42 km · São João Nepomuceno 43 km · Paraíba do Sul 44 km · Lima Duarte 47 km · Sapucaia 52 km · Rio Pomba 57 km · São José do Vale do Rio Preto 62 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 Juiz de Fora (-21.7642°, -43.3503°, elevation 707 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).