Jenipapo dos Vieiras weather in September

In September, Jenipapo dos Vieiras sees average daytime highs of 35°C and overnight lows near 23°C, with 10 mm of rain across 1.7 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 63% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Jenipapo dos Vieiras's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Jenipapo dos Vieiras's year-round climate.

Daytime high
35°
1st warmest
Overnight low
23°
9th coldest
Rainfall
10 mm
1.7 wet days
Daylight
12 hours
5:58 AM – 5:56 PM
Cloud cover
36%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
6.26 kWh/m²
Travel score
3.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 35°C through the month.

A typical September day in Jenipapo dos Vieiras reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 36°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13422
23422
33422
43422
53422
63423
73423
83523
93523
103523
113523
123523
133523
143523
153523
163523
173523
183523
193523
203523
213523
223523
233523
243523
253523
263523
273523
283523
293523
303523

How September really feels in Jenipapo dos Vieiras

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.

Jenipapo dos Vieiras weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°22726.912.32.9
Feb30° / 22°22824.612.22.9
Mar30° / 22°25828.3122.8
Apr30° / 23°18124.111.93.1
May31° / 22°8713.611.84.2
Jun32° / 22°122.711.75.1
Jul32° / 21°71.211.74.8
Aug34° / 22°30.411.84.1
Sep35° / 23°101.7123.4
Oct34° / 24°335.212.13.3
Nov33° / 23°8412.312.23.3
Dec32° / 23°1481912.33.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28911
38812
48812
58812
68812
78812
88911
98911
108911
118911
128911
138911
148812
158812
168812
178812
188713
198713
208614
218515
228515
238515
248416
258317
268317
278218
288119
298020
307921

Chance of precipitation in September

Any precipitation

Jenipapo dos Vieiras gets around 10 mm of rain over 1.7 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 6% and peaks near 9% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
44
54
64
74
84
94
104
114
125
135
145
155
165
175
186
196
206
217
227
237
248
258
268
279
289
299
309

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
14285018
24275118
34275118
44275118
54275118
64275118
74275118
84275118
94275118
104265119
114255219
124245319
134235320
143225520
153215521
163205522
173195523
183175624
192165626
202145727
212135629
222125630
232115631
241105732
25195733
26185734
27175735
28175735
29165736
30065836

Wind in September

Winds average 9 km/h in September.

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 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:05 AM to 5:51 AM, and sunset from 5:59 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:055:59
211.96:055:59
311.96:045:59
411.96:045:59
511.96:035:58
611.96:035:58
711.96:025:58
811.96:025:58
911.96:015:58
1011.96:015:57
1111.96:005:57
1212.06:005:57
1312.05:595:57
1412.05:595:56
1512.05:585:56
1612.05:585:56
1712.05:575:56
1812.05:575:56
1912.05:565:55
2012.05:565:55
2112.05:555:55
2212.05:555:55
2312.05:545:54
2412.05:545:54
2512.05:535:54
2612.05:535:54
2712.05:525:54
2812.05:525:53
2912.05:515:53
3012.05:515:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.26 kWh/m² in September across the year — September's 6.26 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Jenipapo dos Vieiras

In seasonPeak

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

Jenipapo dos Vieiras's monsoon runs December–April, 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 Jenipapo dos Vieiras?

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

3.4
Sightseeing
5th-best month of the year
7.1
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Jenipapo dos Vieiras. The water and warmth also suit a beach or pool day.

What to pack for Jenipapo dos Vieiras in September

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

In September, Jenipapo dos Vieiras sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Jenipapo dos Vieiras in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jenipapo dos Vieiras peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 12UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Jenipapo dos Vieiras 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 Jenipapo dos Vieiras is worst in October — around 44 µg/m³ PM2.5 (poor), about 6.7× the cleanest month (June, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateOct 1943 µg/m³Jun 167 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar12Good
Apr11Good
May9Good
Jun7Good
Jul9Good
Aug23Moderate
Sep29Moderate
Oct44Poor
Nov37Poor
Dec20Moderate
Location & terrain

Where is Jenipapo dos Vieiras?

Jenipapo dos Vieiras sits at 5.4°S, 45.6°W, 201 m above sea level, in Brazil. The nearest listed city is Barra do Corda, 46 km away.

Topography around Jenipapo dos Vieiras

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

Within 3 km, the terrain around Jenipapo dos Vieiras has only modest variations in elevation — a maximum elevation change of 158 m around an average of 221 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 252 m; within 80 km, significant variations in elevation — a maximum elevation change of 397 m.

The land around Jenipapo dos Vieiras is covered by trees (54%) and grassland (45%) within 3 km, trees (72%) and grassland (28%) within 16 km, and trees (71%) and grassland (27%) within 80 km.

3 km
158 m
16 km
252 m
80 km
397 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Barra do Corda 46 km · Arame 68 km · Grajaú 75 km · Esperantinópolis 100 km · Poção de Pedras 103 km · Lago da Pedra 106 km · Tuntum 110 km · Paulo Ramos 112 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 Jenipapo dos Vieiras (-5.3714°, -45.6364°, elevation 201 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).