Lagoa Formosa weather in September

In September, Lagoa Formosa sees average daytime highs of 29°C and overnight lows near 16°C, with 41 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 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 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 Lagoa Formosa's 4th-clearest and 1st-windiest month. For the whole year in context, see Lagoa Formosa's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
16°
5th coldest
Rainfall
41 mm
6.2 wet days
Daylight
11 h 54 min
7:03 AM – 6:57 PM
Cloud cover
43%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
5.91 kWh/m²
Travel score
6.3
out of 10

Lagoa Formosa 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 29°C through the month.

A typical September day in Lagoa Formosa reaches about 29°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12815
22815
32815
42815
52816
62816
72916
82916
92916
102916
112916
122916
132916
142916
152916
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262917
272917
282917
292917
302917

Lagoa Formosa 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
Jan28° / 19°22121.3134.6
Feb28° / 19°16117.112.64.9
Mar27° / 19°16820.512.14.8
Apr27° / 17°6610.611.66.4
May26° / 15°274.911.17.7
Jun25° / 13°101.510.98.5
Jul25° / 13°40.7118.7
Aug27° / 14°91.811.48.3
Sep29° / 16°416.211.96.3
Oct29° / 18°9712.912.45.1
Nov27° / 19°20121.312.94.6
Dec27° / 19°2502413.14.3

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 17% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
38020
47921
57921
67921
77723
87723
97624
107426
117426
127228
137129
147030
156832
166733
176535
186436
196337
206238
216139
225941
235842
245743
255644
265545
275545
285446
295347
305347

Chance of precipitation in September

Any precipitation

Lagoa Formosa gets around 41 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 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
111
211
311
411
512
612
713
813
914
1014
1115
1216
1317
1418
1519
1621
1722
1823
1924
2026
2127
2228
2329
2430
2531
2632
2733
2834
2934
3035

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1692380
2682390
3682390
46623101
56523111
66523111
76423121
86224131
96025141
105925151
115826151
125527162
135328172
145129182
154830193
164631203
174432213
184233224
194033234
203833245
213634265
223434276
233233286
243033307
252932318
262831338
272730349
2826293610
2925283710
3024273911

Wind in September

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

Across September, daily wind ranges from about 9 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
19calm
29calm
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 7:17 AM to 6:50 AM, and sunset from 6:54 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:176:54
211.67:166:54
311.77:156:54
411.77:146:55
511.77:136:55
611.77:126:55
711.77:116:55
811.87:106:55
911.87:106:56
1011.87:096:56
1111.87:086:56
1211.87:076:56
1311.87:066:56
1411.97:056:56
1511.97:046:57
1611.97:036:57
1711.97:026:57
1811.97:016:57
1911.97:006:57
2012.06:596:58
2112.06:596:58
2212.06:586:58
2312.06:576:58
2412.06:566:58
2512.16:556:58
2612.16:546:59
2712.16:536:59
2812.16:526:59
2912.16:516:59
3012.26:506:59

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.91 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 6 kWh/m² in October across the year — September's 5.91 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Lagoa Formosa

In seasonPeak

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

Lagoa Formosa'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 Lagoa Formosa?

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

6.3
Sightseeing
6th-best month of the year
7.8
Beach & pool
3rd-best month of the year

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

What to pack for Lagoa Formosa in September

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

In September, Lagoa Formosa sees daytime highs around 29°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Lagoa Formosa in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lagoa Formosa peaks around February 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 11UV 16Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Lagoa Formosa?

Lagoa Formosa sits at 18.8°S, 46.4°W, 878 m above sea level, in Brazil. The nearest listed city is Patos de Minas, 25 km away.

Topography around Lagoa Formosa

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

Within 3 km, the terrain around Lagoa Formosa has only modest variations in elevation — a maximum elevation change of 152 m around an average of 854 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 343 m; within 80 km, large variations in elevation — a maximum elevation change of 696 m.

The land around Lagoa Formosa is covered by grassland (40%) and cropland (33%) within 3 km, grassland (40%) and cropland (39%) within 16 km, and grassland (45%), trees (24%) and cropland (23%) within 80 km.

3 km
152 m
16 km
343 m
80 km
696 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Patos de Minas 25 km · Carmo do Paranaíba 27 km · Presidente Olegário 40 km · Patrocínio 64 km · São Gotardo 70 km · Ibiá 79 km · Coromandel 90 km · Vazante 103 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 Lagoa Formosa (-18.7786°, -46.4075°, elevation 878 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).