Erechim weather in September

In September, Erechim sees average daytime highs of 22°C and overnight lows near 12°C, with 185 mm of rain across 11.4 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Erechim's 5th-clearest and 1st-windiest month. For the whole year in context, see Erechim's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
5th coldest
Rainfall
185 mm
11.4 wet days
Daylight
11 h 48 min
7:28 AM – 7:19 PM
Cloud cover
56%
5th clearest
Wind
11 km/h
1st windiest
Solar energy
4.58 kWh/m²
Travel score
6.5
out of 10

Erechim 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 22°C through the month.

A typical September day in Erechim reaches about 22°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12211
22211
32211
42211
52211
62211
72211
82211
92211
102211
112211
122211
132211
142211
152211
162211
172212
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282312
292312
302313

Erechim weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°18717.613.65.1
Feb28° / 18°17416.3135.3
Mar27° / 17°14713.612.26.1
Apr24° / 14°14310.911.46.7
May20° / 11°1739.910.76.4
Jun19° / 16110.210.36.1
Jul19° / 1649.910.46.2
Aug21° / 10°1218.4116.9
Sep22° / 12°18511.411.86.5
Oct24° / 14°25014.712.76.1
Nov26° / 15°17912.913.46.2
Dec28° / 17°18515.613.75.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25842
35743
45644
55644
65446
75347
85347
95248
105149
115050
125050
135050
145050
154951
164852
174852
184852
194753
204852
214852
224753
234654
244654
254555
264456
274456
284357
294258
304258

Chance of precipitation in September

Any precipitation

Erechim gets around 185 mm of rain over 11.4 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 38% 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 (%)
129
229
330
431
531
632
733
834
934
1035
1136
1236
1337
1438
1538
1639
1740
1840
1941
2041
2142
2242
2343
2443
2543
2643
2743
2843
2943
3044

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1573580
2563590
3563590
45535100
55435110
65435110
75335120
85335120
95335120
105334130
115334130
125234140
135134141
145034151
155034151
165034161
175033161
185033161
195033161
204933171
214933171
224833171
234833181
244733191
254633201
264533211
274433221
284433231
294332241
304232251

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

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 24 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 48 minutes over September. Sunrise moves from 7:46 AM to 7:11 AM, and sunset from 7:12 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:467:12
211.57:457:12
311.57:447:12
411.57:437:13
511.57:417:13
611.67:407:14
711.67:397:14
811.67:387:15
911.67:377:15
1011.77:367:16
1111.77:347:16
1211.77:337:17
1311.87:327:17
1411.87:317:18
1511.87:297:18
1611.87:287:19
1711.97:277:19
1811.97:267:20
1911.97:257:20
2012.07:237:20
2112.07:227:21
2212.07:217:21
2312.07:207:22
2412.17:197:22
2512.17:177:23
2612.17:167:23
2712.17:157:24
2812.27:147:24
2912.27:137:25
3012.27:117:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.58 kWh/m².

For context, solar energy here swings from a low near 2.68 kWh/m² to a high of 6.5 kWh/m² in December across the year — September's 4.58 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Erechim?

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

6.5
Sightseeing
3rd-best month of the year
4.7
Beach & pool
8th-best month of the year

September is a reasonable time to visit Erechim for sightseeing.

What to pack for Erechim in September

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

In September, Erechim sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Erechim in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Erechim peaks around January 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 21UV 14Jun 23UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Erechim 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 Erechim is worst in September — around 16 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1515 µg/m³Mar 126 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Good
Sep16Moderate
Oct10Good
Nov7Good
Dec6Good
Location & terrain

Where is Erechim?

Erechim sits at 27.6°S, 52.3°W, 786 m above sea level, in Brazil. The nearest listed city is Getúlio Vargas, 29 km away.

Topography around Erechim

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

Within 3 km, the terrain around Erechim has only modest variations in elevation — a maximum elevation change of 248 m around an average of 743 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 445 m; within 80 km, large variations in elevation — a maximum elevation change of 896 m.

The land around Erechim is covered by artificial surfaces (45%) and trees (42%) within 3 km, cropland (47%) and trees (42%) within 16 km, and trees (45%) and cropland (45%) within 80 km.

3 km
248 m
16 km
445 m
80 km
896 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Getúlio Vargas 29 km · Concórdia 51 km · Seara 54 km · Tapejara 55 km · Sananduva 58 km · Chapecó 69 km · Passo Fundo 71 km · Sarandi 72 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 Erechim (-27.6346°, -52.2754°, elevation 786 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).