Nova Olímpia weather in September

In September, Nova Olímpia sees average daytime highs of 34°C and overnight lows near 23°C, with 50 mm of rain across 8 wet days and about 11.9 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 49% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Nova Olímpia's 4th-clearest and 3rd-windiest month. For the whole year in context, see Nova Olímpia's year-round climate.

Daytime high
34°
1st warmest
Overnight low
23°
6th coldest
Rainfall
50 mm
8 wet days
Daylight
11 h 54 min
6:46 AM – 6:41 PM
Cloud cover
46%
4th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.76 kWh/m²
Travel score
3.0
out of 10

Nova Olímpia is 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 34°C through the month.

A typical September day in Nova Olímpia reaches about 34°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 29°C and 38°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13422
23422
33522
43522
53522
63522
73522
83522
93522
103522
113522
123522
133522
143523
153523
163523
173523
183523
193423
203423
213423
223423
233423
243423
253423
263423
273423
283423
293423
303423

How September really feels in Nova Olímpia

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.

Nova Olímpia weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°24725.412.82.7
Feb31° / 23°2312412.52.6
Mar31° / 23°21325.412.12.7
Apr31° / 22°10616.511.73.7
May30° / 21°426.911.35.2
Jun31° / 19°111.911.15.9
Jul31° / 19°6111.25.7
Aug34° / 20°132.411.54.1
Sep34° / 23°50811.93.0
Oct34° / 23°12417.812.32.6
Nov32° / 23°16521.212.72.7
Dec32° / 23°21824.912.92.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% 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 (%)
17822
27723
37723
47624
57525
67525
77426
87327
97228
107228
117129
127030
137030
146832
156832
166832
176733
186634
196535
206535
216337
226337
236139
245941
255941
265743
275644
285545
295347
305347

Chance of precipitation in September

Any precipitation

Nova Olímpia gets around 50 mm of rain over 8 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 27% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
115
215
316
416
517
617
718
819
919
1020
1121
1222
1323
1424
1525
1626
1727
1828
1930
2031
2132
2234
2335
2436
2538
2639
2740
2842
2943
3044

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11018303110
21018293210
31017283311
41017273312
51017273413
61016263415
7915253416
8915253417
9914243519
10813233520
11813223522
12712223623
13711213625
14611203726
15510203728
1659193730
1748193731
1848183733
1947183735
2036173637
2136173639
2236163541
2335153443
2425143346
2525133248
2624133150
2724122953
2814122855
2914112757
3013112659

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 6:58 AM to 6:35 AM, and sunset from 6:40 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:586:40
211.76:576:40
311.76:566:40
411.86:556:40
511.86:556:40
611.86:546:40
711.86:536:41
811.86:526:41
911.86:516:41
1011.86:516:41
1111.86:506:41
1211.96:496:41
1311.96:486:41
1411.96:486:41
1511.96:476:41
1611.96:466:41
1711.96:456:41
1811.96:446:41
1912.06:446:41
2012.06:436:41
2112.06:426:41
2212.06:416:41
2312.06:406:41
2412.06:406:41
2512.06:396:42
2612.16:386:42
2712.16:376:42
2812.16:366:42
2912.16:366:42
3012.16:356:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.76 kWh/m².

For context, solar energy here swings from a low near 4.43 kWh/m² to a high of 5.98 kWh/m² in October across the year — September's 5.76 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Hazard calendar for Nova Olímpia

In seasonPeak

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

Nova Olímpia's monsoon runs October–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 Nova Olímpia?

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

3.0
Sightseeing
6th-best month of the year
6.1
Beach & pool
5th-best month of the year

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

What to pack for Nova Olímpia in September

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

In September, Nova Olímpia sees daytime highs around 34°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Nova Olímpia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nova Olímpia peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeJan 21UV 15Sep 15UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Nova Olímpia 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 Nova Olímpia is worst in September — around 56 µg/m³ PM2.5 (unhealthy), about 7.8× the cleanest month (July, 7 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodSep 1552 µg/m³Jul 107 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar9Good
Apr8Good
May8Good
Jun8Good
Jul7Good
Aug33Moderate
Sep56Unhealthy
Oct22Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Nova Olímpia?

Nova Olímpia sits at 14.8°S, 57.3°W, 183 m above sea level, in Brazil. The nearest listed city is Tangará da Serra, 29 km away.

Topography around Nova Olímpia

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

Within 3 km, the terrain around Nova Olímpia has only modest variations in elevation — a maximum elevation change of 56 m around an average of 209 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 394 m; within 80 km, large variations in elevation — a maximum elevation change of 748 m.

The land around Nova Olímpia is covered by cropland (42%) and grassland (35%) within 3 km, trees (37%), cropland (34%) and grassland (29%) within 16 km, and trees (43%) and grassland (37%) within 80 km.

3 km
56 m
16 km
394 m
80 km
748 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: Tangará da Serra 29 km · Barra do Bugres 33 km · Rosário Oeste 93 km · Lambari d'Oeste 97 km · Diamantino 100 km · Nobres 104 km · Mirassol d'Oeste 130 km · São José dos Quatro Marcos 132 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 Nova Olímpia (-14.7972°, -57.2881°, elevation 183 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).