Umuarama weather in September

In September, Umuarama sees average daytime highs of 28°C and overnight lows near 17°C, with 134 mm of rain across 9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-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 49% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Umuarama's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Umuarama's year-round climate.

Daytime high
28°
8th warmest
Overnight low
17°
5th coldest
Rainfall
134 mm
9 wet days
Daylight
11 h 54 min
7:32 AM – 7:24 PM
Cloud cover
46%
3rd clearest
Wind
11 km/h
2nd windiest
Solar energy
5.15 kWh/m²
Travel score
6.6
out of 10

Umuarama 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 28°C through the month.

A typical September day in Umuarama reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272818
282818
292818
302818

How September really feels in Umuarama

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.

Umuarama weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°18919.713.33.6
Feb30° / 21°17717.112.83.8
Mar30° / 21°12414.812.24.5
Apr28° / 19°1058.411.56.3
May25° / 16°1398.810.97.2
Jun24° / 15°1178.410.67.4
Jul24° / 14°876.710.77.8
Aug26° / 15°896.511.27.6
Sep28° / 17°134911.96.6
Oct29° / 19°18913.412.65.0
Nov30° / 20°16312.913.14.7
Dec30° / 21°19116.713.44.0

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 10% of September, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
36931
46832
56634
66535
76535
86337
96337
106238
116139
126139
136040
146040
156040
166040
175941
185941
195941
205842
215743
225644
235545
245446
255347
265248
275248
285149
294951
305050

Chance of precipitation in September

Any precipitation

Umuarama gets around 134 mm of rain over 9 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 30% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
123
223
324
424
525
625
725
826
926
1026
1126
1227
1327
1427
1528
1628
1729
1829
1930
2031
2132
2233
2334
2435
2537
2638
2739
2839
2940
3041

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14036203
24036213
33936224
43835224
53735234
63734245
73634255
83534256
93533266
103433276
113333277
123233287
133132288
143132299
153032299
1629322910
1729322911
1828312912
1927312913
2027302914
2126303015
2225293016
2324283017
2423283118
2522273120
2621263221
2720263222
2819253323
2919243324
3018233425

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 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 42 minutes over September. Sunrise moves from 7:48 AM to 7:17 AM, and sunset from 7:18 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:487:18
211.57:477:19
311.67:467:19
411.67:447:20
511.67:437:20
611.67:427:20
711.77:417:21
811.77:407:21
911.77:397:21
1011.77:387:22
1111.77:377:22
1211.87:367:22
1311.87:357:23
1411.87:347:23
1511.87:337:23
1611.97:327:24
1711.97:317:24
1811.97:307:24
1911.97:287:25
2012.07:277:25
2112.07:267:25
2212.07:257:26
2312.07:247:26
2412.17:237:26
2512.17:227:27
2612.17:217:27
2712.17:207:27
2812.17:197:28
2912.27:187:28
3012.27:177:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.21 kWh/m² to a high of 6.28 kWh/m² in December across the year — September's 5.15 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Umuarama?

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

6.6
Sightseeing
5th-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Umuarama in September

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

In September, Umuarama sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Umuarama in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Umuarama peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 14UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep3Moderate
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Umuarama 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 Umuarama is worst in September — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Mar 146 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul8Good
Aug11Good
Sep21Moderate
Oct12Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Umuarama?

Umuarama sits at 23.8°S, 53.3°W, 443 m above sea level, in Brazil. The nearest listed city is Cruzeiro do Oeste, 26 km away.

Topography around Umuarama

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

Within 3 km, the terrain around Umuarama has only modest variations in elevation — a maximum elevation change of 184 m around an average of 416 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 221 m; within 80 km, significant variations in elevation — a maximum elevation change of 435 m.

The land around Umuarama is covered by artificial surfaces (46%) and trees (26%) within 3 km, cropland (47%), grassland (27%) and trees (22%) within 16 km, and cropland (60%) and grassland (22%) within 80 km.

3 km
184 m
16 km
221 m
80 km
435 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Cruzeiro do Oeste 26 km · Tapejara 46 km · Iporã 47 km · Goioerê 55 km · Altônia 60 km · Cianorte 74 km · Assis Chateaubriand 75 km · Palotina 78 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 Umuarama (-23.7664°, -53.325°, elevation 443 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).