Amontada weather in September

In September, Amontada sees average daytime highs of 33°C and overnight lows near 24°C, with 2 mm of rain across 0.2 wet days and about 12 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 84% 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 Amontada's 1st-clearest and 1st-windiest month. For the whole year in context, see Amontada's year-round climate.

Daytime high
33°
1st warmest
Overnight low
24°
8th coldest
Rainfall
2 mm
0.2 wet days
Daylight
12 hours
5:34 AM – 5:33 PM
Cloud cover
23%
1st clearest
Wind
20 km/h
1st windiest
Solar energy
6.8 kWh/m²
Travel score
4.6
out of 10

Amontada 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 33°C through the month.

A typical September day in Amontada reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 34°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283325
293325
303325

How September really feels in Amontada

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.

Amontada weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 25°10316.912.23.5
Feb31° / 24°14720.612.13.3
Mar30° / 24°22125.6123.1
Apr30° / 24°25624.911.93.1
May31° / 24°10916.411.84.0
Jun31° / 24°336.911.84.9
Jul32° / 24°142.711.85.0
Aug33° / 24°30.611.94.7
Sep33° / 24°20.2124.6
Oct33° / 25°30.512.14.5
Nov33° / 25°51.112.24.4
Dec33° / 25°225.612.24.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 4%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1955
2955
3955
4955
5955
6964
7964
8964
9964
10964
11964
12964
13964
14964
15964
16973
17973
18973
19973
20973
21973
22973
23973
24973
25973
26973
27955
28955
29955
30955

Chance of precipitation in September

Any precipitation

Amontada gets around 2 mm of rain over 0.2 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301

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 76% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118019
218019
318118
418118
518118
618118
718118
818118
918118
1018019
1118019
1217920
1317821
1417722
1517623
1617524
1717425
1817425
1907426
2007327
2107228
2207228
2307228
2407129
2507129
2607129
2707030
2807030
2906931
3006931

Wind in September

Winds average 20 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze

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 5:41 AM to 5:28 AM, and sunset from 5:37 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:415:37
211.95:415:37
311.95:405:37
411.95:405:36
511.95:395:36
612.05:395:36
712.05:385:36
812.05:385:35
912.05:375:35
1012.05:375:35
1112.05:375:34
1212.05:365:34
1312.05:365:34
1412.05:355:34
1512.05:355:33
1612.05:345:33
1712.05:345:33
1812.05:335:33
1912.05:335:32
2012.05:325:32
2112.05:325:32
2212.05:315:31
2312.05:315:31
2412.05:305:31
2512.05:305:31
2612.05:305:30
2712.05:295:30
2812.05:295:30
2912.05:285:30
3012.05:285:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.8 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.71 kWh/m² to a high of 6.8 kWh/m² in September across the year — September's 6.8 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for Amontada

In seasonPeak

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

Amontada's monsoon runs February–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 Amontada?

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

4.6
Sightseeing
4th-best month of the year
8.2
Beach & pool
1st-best month of the year

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

What to pack for Amontada in September

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

In September, Amontada sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Amontada in September

The nearest coast averages about 27°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 54 km away) is warmest in April at about 29°C and coldest in August near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb28Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Tropical

UV index in Amontada 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 Amontada peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jun 23UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Amontada?

Amontada sits at 3.4°S, 39.8°W, 37 m above sea level, in Brazil. The nearest listed city is Itapipoca, 32 km away.

Topography around Amontada

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

Within 3 km, the terrain around Amontada has only modest variations in elevation — a maximum elevation change of 49 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, large variations in elevation — a maximum elevation change of 1,065 m.

The land around Amontada is covered by grassland (54%) and shrubs (39%) within 3 km, shrubs (55%) and grassland (38%) within 16 km, and shrubs (38%) and grassland (23%) within 80 km.

3 km
49 m
16 km
82 m
80 km
1,065 m
treesshrubsgrasslandartificial surfaceswater
September weather nearby: Itapipoca 32 km · Morrinhos 36 km · Irauçuba 43 km · Santana do Acaraú 44 km · Marco 44 km · Itapagé 45 km · Uruburetama 46 km · Itarema 50 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 Amontada (-3.3617°, -39.8317°, elevation 37 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).