Centro Novo do Maranhão weather in September

In September, Centro Novo do Maranhão sees average daytime highs of 33°C and overnight lows near 23°C, with 19 mm of rain across 5.7 wet days and about 12 hours of daylight. It is the 4th-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 46% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Centro Novo do Maranhão's 1st-clearest and 2nd-windiest month. For the whole year in context, see Centro Novo do Maranhão's year-round climate.

Daytime high: 33°; 4th warmest
Overnight low: 23°; 6th coldest
Rainfall: 19 mm; 5.7 wet days
Daylight: 12 hours; 5:59 AM – 5:58 PM
Cloud cover: 44%; 1st clearest
Wind: 11 km/h; 2nd windiest
Solar energy: 5.79 kWh/m²
Travel score: 4.1; out of 10

← August Centro Novo do Maranhão year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Centro Novo do Maranhão reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°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 about 1°C warmer than August and about 1°C cooler than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	32	32	32	32	32	32	32	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33	33
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	32	23
2	32	23
3	32	23
4	32	23
5	32	23
6	32	23
7	32	23
8	33	23
9	33	23
10	33	23
11	33	23
12	33	23
13	33	23
14	33	23
15	33	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23

How September really feels in Centro Novo do Maranhão

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Centro Novo do Maranhão weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 24°	190	24.2	12.1	2.8
Feb	31° / 23°	258	26	12.1	2.6
Mar	30° / 23°	321	29.7	12	2.6
Apr	30° / 23°	321	28.6	12	2.6
May	31° / 23°	205	25.8	11.9	3.0
Jun	31° / 23°	98	19.5	11.9	3.7
Jul	31° / 22°	69	15.1	11.9	4.3
Aug	32° / 23°	31	9.2	11.9	4.5
Sep	33° / 23°	19	5.7	12	4.1
Oct	34° / 24°	20	4.9	12	3.7
Nov	34° / 24°	31	6.4	12.1	3.4
Dec	33° / 24°	73	13.4	12.1	3.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 39% of September, with mostly cloudy or overcast conditions the remaining 15%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	87	87	87	87	87	87	87	87	86	86	86	86	86	86	85	84	84	84	84	84	83	83	83	83	84	84	83	82	82	82
Cloudier (%)	13	13	13	13	13	13	13	13	14	14	14	14	14	14	15	16	16	16	16	16	17	17	17	17	16	16	17	18	18	18

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	86	14
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	84	16
26	84	16
27	83	17
28	82	18
29	82	18
30	82	18

Chance of precipitation in September

Any precipitation

Centro Novo do Maranhão gets around 19 mm of rain over 5.7 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 19% and peaks near 24% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	24	24	24	24	23	23	22	22	22	21	21	21	21	20	20	20	19	19	19	18	18	17	17	16	16	15	15	15	14	14

	Rain chance (%)
1	24
2	24
3	24
4	24
5	23
6	23
7	22
8	22
9	22
10	21
11	21
12	21
13	21
14	20
15	20
16	20
17	19
18	19
19	19
20	18
21	18
22	17
23	17
24	16
25	16
26	15
27	15
28	15
29	14
30	14

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Muggy (%)	2	3	3	3	4	4	4	5	5	5	5	6	6	6	6	7	7	7	8	8	9	9	9	10	10	10	11	11	11	12
Oppressive (%)	98	97	97	97	96	96	96	95	95	95	95	94	94	94	94	93	93	93	92	92	91	91	91	90	90	90	89	89	89	88

	Muggy (%)	Oppressive (%)
1	2	98
2	3	97
3	3	97
4	3	97
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	6	94
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	9	91
22	9	91
23	9	91
24	10	90
25	10	90
26	10	90
27	11	89
28	11	89
29	11	89
30	12	88

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	12	calm
21	12	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:05 AM to 5:53 AM, and sunset from 6:03 PM to 5:54 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	6:05	6:05	6:05	6:04	6:04	6:03	6:03	6:03	6:02	6:02	6:01	6:01	6:00	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:55	5:55	5:55	5:54	5:54	5:53
Sunset (PM)	6:03	6:03	6:02	6:02	6:02	6:02	6:01	6:01	6:01	6:00	6:00	6:00	5:59	5:59	5:59	5:58	5:58	5:58	5:58	5:57	5:57	5:57	5:56	5:56	5:56	5:55	5:55	5:55	5:55	5:54

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.0	6:05	6:03
2	12.0	6:05	6:03
3	12.0	6:05	6:02
4	12.0	6:04	6:02
5	12.0	6:04	6:02
6	12.0	6:03	6:02
7	12.0	6:03	6:01
8	12.0	6:03	6:01
9	12.0	6:02	6:01
10	12.0	6:02	6:00
11	12.0	6:01	6:00
12	12.0	6:01	6:00
13	12.0	6:00	5:59
14	12.0	6:00	5:59
15	12.0	6:00	5:59
16	12.0	5:59	5:58
17	12.0	5:59	5:58
18	12.0	5:58	5:58
19	12.0	5:58	5:58
20	12.0	5:57	5:57
21	12.0	5:57	5:57
22	12.0	5:57	5:57
23	12.0	5:56	5:56
24	12.0	5:56	5:56
25	12.0	5:55	5:56
26	12.0	5:55	5:55
27	12.0	5:55	5:55
28	12.0	5:54	5:55
29	12.0	5:54	5:55
30	12.0	5:53	5:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.79 kWh/m².

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 5.92 kWh/m² in October across the year — September's 5.79 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.8	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.7	Bright
7	5.7	Bright
8	5.7	Bright
9	5.7	Bright
10	5.7	Bright
11	5.7	Bright
12	5.7	Bright
13	5.8	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.8	Bright
18	5.8	Bright
19	5.8	Bright
20	5.8	Bright
21	5.8	Bright
22	5.9	Bright
23	5.9	Bright
24	5.9	Bright
25	5.9	Bright
26	5.9	Bright
27	5.9	Bright
28	5.9	Bright
29	5.9	Bright
30	5.9	Bright

Planning a trip in September

Hazard calendar for Centro Novo do Maranhão

In seasonPeak

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

Centro Novo do Maranhão's monsoon runs January–May, 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 Centro Novo do Maranhão?

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

4.1

Sightseeing

3rd-best month of the year

7.0

Beach & pool

1st-best month of the year

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

What to pack for Centro Novo do Maranhão in September

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

In September, Centro Novo do Maranhão sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Centro Novo do Maranhão 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 Centro Novo do Maranhão peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (extreme).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	14	16	14	12	11	10	11	12	12	11	11
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	14	Extreme
Mar	16	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	10	Extreme
Aug	11	Extreme
Sep	12	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	11	Extreme

Air quality in Centro Novo do Maranhão 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 Centro Novo do Maranhão is worst in December — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (July, 7 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	16	18	17	13	9	7	7	8	10	12	19	20
Level	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good	Good	Good	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	16	Moderate
Feb	18	Moderate
Mar	17	Moderate
Apr	13	Moderate
May	9	Good
Jun	7	Good
Jul	7	Good
Aug	8	Good
Sep	10	Good
Oct	12	Good
Nov	19	Moderate
Dec	20	Moderate

Location & terrain

Where is Centro Novo do Maranhão?

Centro Novo do Maranhão sits at 2.1°S, 46.1°W, 40 m above sea level, in Brazil. The nearest listed city is Maracaçumé, 21 km away.

Topography around Centro Novo do Maranhão

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Centro Novo do Maranhão.

Within 3 km, the terrain around Centro Novo do Maranhão has only modest variations in elevation — a maximum elevation change of 50 m around an average of 65 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Centro Novo do Maranhão is covered by grassland (66%) and trees (31%) within 3 km, grassland (80%) and trees (20%) within 16 km, and trees (56%) and grassland (44%) within 80 km.

3 km

50 m

grassland 66%

16 km

93 m

grassland 80%

80 km

206 m

trees 56%

treesgrasslandartificial surfaces

← August Centro Novo do Maranhão year-round climate October →Best places to visit in September

September weather nearby: Maracaçumé 21 km · Governador Nunes Freire 27 km · Santa Luzia do Paruá 59 km · Cachoeira do Piriá 63 km · Cândido Mendes 88 km · Turilândia 91 km · Santa Helena 92 km · Nova Esperança do Piriá 95 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

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 Centro Novo do Maranhão (-2.1409°, -46.1239°, elevation 40 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).

	Avg high (°C)	Avg low (°C)
1	32	23
2	32	23
3	32	23
4	32	23
5	32	23
6	32	23
7	32	23
8	33	23
9	33	23
10	33	23
11	33	23
12	33	23
13	33	23
14	33	23
15	33	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	86	14
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	84	16
26	84	16
27	83	17
28	82	18
29	82	18
30	82	18

	Rain chance (%)
1	24
2	24
3	24
4	24
5	23
6	23
7	22
8	22
9	22
10	21
11	21
12	21
13	21
14	20
15	20
16	20
17	19
18	19
19	19
20	18
21	18
22	17
23	17
24	16
25	16
26	15
27	15
28	15
29	14
30	14

	Muggy (%)	Oppressive (%)
1	2	98
2	3	97
3	3	97
4	3	97
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	6	94
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	9	91
22	9	91
23	9	91
24	10	90
25	10	90
26	10	90
27	11	89
28	11	89
29	11	89
30	12	88

	Avg high (°C)	Avg low (°C)
1	32	23
2	32	23
3	32	23
4	32	23
5	32	23
6	32	23
7	32	23
8	33	23
9	33	23
10	33	23
11	33	23
12	33	23
13	33	23
14	33	23
15	33	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	86	14
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	84	16
26	84	16
27	83	17
28	82	18
29	82	18
30	82	18

	Rain chance (%)
1	24
2	24
3	24
4	24
5	23
6	23
7	22
8	22
9	22
10	21
11	21
12	21
13	21
14	20
15	20
16	20
17	19
18	19
19	19
20	18
21	18
22	17
23	17
24	16
25	16
26	15
27	15
28	15
29	14
30	14

	Muggy (%)	Oppressive (%)
1	2	98
2	3	97
3	3	97
4	3	97
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	6	94
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	9	91
22	9	91
23	9	91
24	10	90
25	10	90
26	10	90
27	11	89
28	11	89
29	11	89
30	12	88

	Avg high (°C)	Avg low (°C)
1	32	23
2	32	23
3	32	23
4	32	23
5	32	23
6	32	23
7	32	23
8	33	23
9	33	23
10	33	23
11	33	23
12	33	23
13	33	23
14	33	23
15	33	23
16	33	23
17	33	23
18	33	23
19	33	23
20	33	23
21	33	23
22	33	23
23	33	23
24	33	23
25	33	23
26	33	23
27	33	23
28	33	23
29	33	23
30	33	23

	Clearer (%)	Cloudier (%)
1	87	13
2	87	13
3	87	13
4	87	13
5	87	13
6	87	13
7	87	13
8	87	13
9	86	14
10	86	14
11	86	14
12	86	14
13	86	14
14	86	14
15	85	15
16	84	16
17	84	16
18	84	16
19	84	16
20	84	16
21	83	17
22	83	17
23	83	17
24	83	17
25	84	16
26	84	16
27	83	17
28	82	18
29	82	18
30	82	18

	Rain chance (%)
1	24
2	24
3	24
4	24
5	23
6	23
7	22
8	22
9	22
10	21
11	21
12	21
13	21
14	20
15	20
16	20
17	19
18	19
19	19
20	18
21	18
22	17
23	17
24	16
25	16
26	15
27	15
28	15
29	14
30	14

	Muggy (%)	Oppressive (%)
1	2	98
2	3	97
3	3	97
4	3	97
5	4	96
6	4	96
7	4	96
8	5	95
9	5	95
10	5	95
11	5	95
12	6	94
13	6	94
14	6	94
15	6	94
16	7	93
17	7	93
18	7	93
19	8	92
20	8	92
21	9	91
22	9	91
23	9	91
24	10	90
25	10	90
26	10	90
27	11	89
28	11	89
29	11	89
30	12	88