Bom Jesus do Itabapoana weather in September

In September, Bom Jesus do Itabapoana sees average daytime highs of 28°C and overnight lows near 18°C, with 52 mm of rain across 7.2 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 28°C through the month. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels humid.

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 Bom Jesus do Itabapoana's 5th-clearest and 1st-windiest month. For the whole year in context, see Bom Jesus do Itabapoana's year-round climate.

Daytime high
28°
8th warmest
Overnight low
18°
4th coldest
Rainfall
52 mm
7.2 wet days
Daylight
11 h 54 min
6:45 AM – 6:37 PM
Cloud cover
54%
5th clearest
Wind
8 km/h
1st windiest
Solar energy
4.84 kWh/m²
Travel score
6.2
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Bom Jesus do Itabapoana reaches about 28°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818

How September really feels in Bom Jesus do Itabapoana

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Bom Jesus do Itabapoana 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
Jan31° / 22°18215.913.13.7
Feb32° / 22°10711.612.73.8
Mar31° / 21°15416.212.14.0
Apr29° / 20°7610.611.55.3
May27° / 18°437.3116.9
Jun27° / 16°173.510.77.8
Jul26° / 16°164.310.87.8
Aug27° / 16°194.311.37.5
Sep28° / 18°527.211.96.2
Oct29° / 19°9410.512.55.3
Nov29° / 20°19816.7134.4
Dec30° / 21°22119.313.33.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46337
56337
66337
76139
86040
96040
105842
115743
125644
135446
145347
155248
165149
174852
184753
194753
204555
214456
224357
234258
244258
254159
264060
273961
283961
293961
303862

Chance of precipitation in September

Any precipitation

Bom Jesus do Itabapoana gets around 52 mm of rain over 7.2 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 24% and peaks near 31% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
116
216
316
417
517
618
718
819
920
1021
1121
1222
1323
1424
1524
1625
1726
1827
1927
2028
2128
2229
2329
2430
2530
2630
2731
2831
2931
3031

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162655130
262655130
352655140
452654150
552654150
652554160
752553170
852552180
942453190
1042452200
1142352210
1242251230
1332152240
1432151250
1532050271
1631950281
1731949291
1831848301
1931748311
2031747321
2131646331
2231545342
2331545352
2441444363
2541443373
2641342383
2731341394
2831240404
2931239415
3031239415

Wind in September

Winds average 8 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:59 AM to 6:31 AM, and sunset from 6:34 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:596:34
211.66:586:34
311.66:576:34
411.66:566:34
511.76:556:35
611.76:546:35
711.76:536:35
811.76:536:35
911.76:526:36
1011.86:516:36
1111.86:506:36
1211.86:496:36
1311.86:486:37
1411.86:476:37
1511.96:466:37
1611.96:456:37
1711.96:446:38
1811.96:436:38
1911.96:426:38
2012.06:416:38
2112.06:406:39
2212.06:396:39
2312.06:386:39
2412.06:376:40
2512.16:366:40
2612.16:356:40
2712.16:346:40
2812.16:336:41
2912.26:326:41
3012.26:316:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 6.21 kWh/m² in February across the year — September's 4.84 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Bom Jesus do Itabapoana

In seasonPeak

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

Bom Jesus do Itabapoana'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 Bom Jesus do Itabapoana?

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

6.2
Sightseeing
5th-best month of the year
7.4
Beach & pool
4th-best month of the year

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

What to pack for Bom Jesus do Itabapoana in September

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

In September, Bom Jesus do Itabapoana sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Bom Jesus do Itabapoana 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 Bom Jesus do Itabapoana peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 14Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Bom Jesus do Itabapoana?

Bom Jesus do Itabapoana sits at 21.1°S, 41.7°W, 90 m above sea level, in Brazil. The nearest listed city is Itaperuna, 23 km away.

Topography around Bom Jesus do Itabapoana

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bom Jesus do Itabapoana.

Within 3 km, the terrain around Bom Jesus do Itabapoana has significant variations in elevation — a maximum elevation change of 381 m around an average of 152 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,067 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,841 m.

The land around Bom Jesus do Itabapoana is covered by grassland (67%) within 3 km, grassland (76%) and trees (23%) within 16 km, and grassland (66%) and trees (29%) within 80 km.

3 km
381 m
16 km
1,067 m
80 km
2,841 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Itaperuna 23 km · Natividade 32 km · Mimoso do Sul 33 km · Guaçuí 40 km · Porciúncula 42 km · Alegre 44 km · Cambuci 55 km · São Fidélis 57 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 Bom Jesus do Itabapoana (-21.1339°, -41.6797°, elevation 90 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).