Cachoeira do Sul weather in September

In September, Cachoeira do Sul sees average daytime highs of 22°C and overnight lows near 12°C, with 153 mm of rain across 10.7 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 2nd-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 32% 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 18 min by month's end. Set against the rest of the year, September is Cachoeira do Sul's 10th-clearest and 2nd-windiest month. For the whole year in context, see Cachoeira do Sul's year-round climate.

Daytime high: 22°; 8th warmest
Overnight low: 12°; 4th coldest
Rainfall: 153 mm; 10.7 wet days
Daylight: 11 h 48 min; 7:31 AM – 7:21 PM
Cloud cover: 62%; 10th clearest
Wind: 12 km/h; 2nd windiest
Solar energy: 4.12 kWh/m²
Travel score: 6.5; out of 10

Cachoeira do Sul is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Cachoeira do Sul 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 22°C through the month.

A typical September day in Cachoeira do Sul reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°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)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	23	23	23
Avg low (°C)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13

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

How September really feels in Cachoeira do Sul

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Cachoeira do Sul weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 20°	133	13	13.7	4.3
Feb	30° / 20°	116	11.7	13.1	4.6
Mar	29° / 19°	108	10.1	12.2	5.6
Apr	26° / 16°	125	9.3	11.3	6.8
May	22° / 13°	120	9	10.5	6.7
Jun	19° / 10°	133	9.8	10.1	6.1
Jul	19° / 9°	146	10.4	10.3	6.1
Aug	21° / 11°	121	10	10.9	6.6
Sep	22° / 12°	153	10.7	11.8	6.5
Oct	25° / 15°	190	12	12.7	6.4
Nov	28° / 17°	126	10.1	13.5	6.2
Dec	30° / 19°	132	11.3	13.9	4.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 58%. Skies tend to cloud over as the month goes on.

	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 (%)	47	46	45	44	42	42	41	41	41	41	41	41	42	42	42	42	42	42	43	43	43	42	42	41	42	41	39	39	37	37
Cloudier (%)	53	54	55	56	58	58	59	59	59	59	59	59	58	58	58	58	58	58	57	57	57	58	58	59	58	59	61	61	63	63

	Clearer (%)	Cloudier (%)
1	47	53
2	46	54
3	45	55
4	44	56
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	42	58
19	43	57
20	43	57
21	43	57
22	42	58
23	42	58
24	41	59
25	42	58
26	41	59
27	39	61
28	39	61
29	37	63
30	37	63

Chance of precipitation in September

Any precipitation

Cachoeira do Sul gets around 153 mm of rain over 10.7 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 36% and peaks near 38% on the wettest days.

	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 (%)	35	35	35	35	35	36	36	36	35	35	35	35	35	35	35	36	36	36	36	36	36	36	36	36	36	37	37	37	37	38

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	36
7	36
8	36
9	35
10	35
11	35
12	35
13	35
14	35
15	35
16	36
17	36
18	36
19	36
20	36
21	36
22	36
23	36
24	36
25	36
26	37
27	37
28	37
29	37
30	38

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 6% 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
Dry (%)	51	51	50	50	50	50	50	50	50	50	49	49	49	48	48	48	48	48	47	47	47	46	45	45	44	43	42	41	41	40
Comfortable (%)	22	22	23	23	23	23	23	24	24	24	24	25	25	25	25	25	25	25	25	25	25	25	26	26	26	26	27	27	27	28
Humid (%)	23	23	23	23	23	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	22	22	22	22	22	22	22	22	22	22
Muggy (%)	4	4	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	6	6	6	6	7	7	7	8	8	9	9	10	10

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	51	22	23	4
2	51	22	23	4
3	50	23	23	5
4	50	23	23	5
5	50	23	23	5
6	50	23	22	5
7	50	23	22	5
8	50	24	22	5
9	50	24	21	5
10	50	24	21	5
11	49	24	21	5
12	49	25	21	6
13	49	25	21	6
14	48	25	21	6
15	48	25	21	6
16	48	25	21	6
17	48	25	21	6
18	48	25	21	6
19	47	25	21	6
20	47	25	21	6
21	47	25	22	6
22	46	25	22	7
23	45	26	22	7
24	45	26	22	7
25	44	26	22	8
26	43	26	22	8
27	42	27	22	9
28	41	27	22	9
29	41	27	22	10
30	40	28	22	10

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 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)	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	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	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over September. Sunrise moves from 7:50 AM to 7:13 AM, and sunset from 7:12 PM to 7:29 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)	11.4	11.4	11.4	11.5	11.5	11.5	11.5	11.6	11.6	11.6	11.7	11.7	11.7	11.8	11.8	11.8	11.9	11.9	11.9	11.9	12.0	12.0	12.0	12.1	12.1	12.1	12.2	12.2	12.2	12.3
Sunrise (AM)	7:50	7:49	7:48	7:47	7:45	7:44	7:43	7:42	7:40	7:39	7:38	7:36	7:35	7:34	7:33	7:31	7:30	7:29	7:27	7:26	7:25	7:23	7:22	7:21	7:20	7:18	7:17	7:16	7:14	7:13
Sunset (PM)	7:12	7:13	7:13	7:14	7:14	7:15	7:16	7:16	7:17	7:17	7:18	7:18	7:19	7:19	7:20	7:21	7:21	7:22	7:22	7:23	7:23	7:24	7:24	7:25	7:26	7:26	7:27	7:27	7:28	7:29

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.4	7:50	7:12
2	11.4	7:49	7:13
3	11.4	7:48	7:13
4	11.5	7:47	7:14
5	11.5	7:45	7:14
6	11.5	7:44	7:15
7	11.5	7:43	7:16
8	11.6	7:42	7:16
9	11.6	7:40	7:17
10	11.6	7:39	7:17
11	11.7	7:38	7:18
12	11.7	7:36	7:18
13	11.7	7:35	7:19
14	11.8	7:34	7:19
15	11.8	7:33	7:20
16	11.8	7:31	7:21
17	11.9	7:30	7:21
18	11.9	7:29	7:22
19	11.9	7:27	7:22
20	11.9	7:26	7:23
21	12.0	7:25	7:23
22	12.0	7:23	7:24
23	12.0	7:22	7:24
24	12.1	7:21	7:25
25	12.1	7:20	7:26
26	12.1	7:18	7:26
27	12.2	7:17	7:27
28	12.2	7:16	7:27
29	12.2	7:14	7:28
30	12.3	7:13	7:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.12 kWh/m².

For context, solar energy here swings from a low near 2.39 kWh/m² to a high of 6.65 kWh/m² in December across the year — September's 4.12 kWh/m² falls in the middle.

	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)	3.8	3.8	3.8	3.8	3.8	3.9	3.9	3.9	3.9	3.9	4.0	4.0	4.0	4.0	4.1	4.1	4.1	4.2	4.2	4.2	4.3	4.3	4.3	4.4	4.4	4.4	4.4	4.4	4.5	4.5
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	3.8	Moderate
2	3.8	Moderate
3	3.8	Moderate
4	3.8	Moderate
5	3.8	Moderate
6	3.9	Moderate
7	3.9	Moderate
8	3.9	Moderate
9	3.9	Moderate
10	3.9	Moderate
11	4.0	Moderate
12	4.0	Moderate
13	4.0	Bright
14	4.0	Bright
15	4.1	Bright
16	4.1	Bright
17	4.1	Bright
18	4.2	Bright
19	4.2	Bright
20	4.2	Bright
21	4.3	Bright
22	4.3	Bright
23	4.3	Bright
24	4.4	Bright
25	4.4	Bright
26	4.4	Bright
27	4.4	Bright
28	4.4	Bright
29	4.5	Bright
30	4.5	Bright

Planning a trip in September

Is September a good time to visit Cachoeira do Sul?

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

6.5

Sightseeing

4th-best month of the year

4.7

Beach & pool

8th-best month of the year

September is a reasonable time to visit Cachoeira do Sul for sightseeing.

What to pack for Cachoeira do Sul in September

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

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

light clothesrain gear

UV index in Cachoeira do Sul 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 Cachoeira do Sul peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	12	10	8	4	3	4	5	8	6	11	12
Level	Extreme	Extreme	Extreme	Very high	Moderate	Moderate	Moderate	Moderate	Very high	High	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	12	Extreme
Mar	10	Extreme
Apr	8	Very high
May	4	Moderate
Jun	3	Moderate
Jul	4	Moderate
Aug	5	Moderate
Sep	8	Very high
Oct	6	High
Nov	11	Extreme
Dec	12	Extreme

Location & terrain

Where is Cachoeira do Sul?

Cachoeira do Sul sits at 30.0°S, 52.9°W, 77 m above sea level, in Brazil. The nearest listed city is Candelária, 42 km away.

Topography around Cachoeira do Sul

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

Within 3 km, the terrain around Cachoeira do Sul has only modest variations in elevation — a maximum elevation change of 110 m around an average of 59 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 145 m; within 80 km, large variations in elevation — a maximum elevation change of 661 m.

The land around Cachoeira do Sul is covered by trees (35%) and artificial surfaces (33%) within 3 km, cropland (48%) and grassland (28%) within 16 km, and trees (39%), cropland (36%) and grassland (23%) within 80 km.

3 km

110 m

trees 35%

16 km

145 m

cropland 48%

80 km

661 m

trees 39%

treesgrasslandcroplandartificial surfaceswaterwetland

← August Cachoeira do Sul year-round climate October →Best places to visit in September

September weather nearby: Candelária 42 km · Rio Pardo 50 km · Vera Cruz 52 km · Agudo 55 km · Santa Cruz do Sul 58 km · São Sepé 66 km · Encruzilhada do Sul 67 km · Caçapava do Sul 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

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 Cachoeira do Sul (-30.0392°, -52.8939°, elevation 77 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. 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	22	12
2	22	12
3	22	12
4	22	12
5	22	12
6	22	12
7	22	12
8	22	12
9	22	12
10	22	12
11	22	12
12	22	12
13	22	12
14	22	12
15	22	12
16	22	12
17	22	12
18	22	12
19	22	13
20	22	13
21	22	13
22	22	13
23	22	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13

	Clearer (%)	Cloudier (%)
1	47	53
2	46	54
3	45	55
4	44	56
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	42	58
19	43	57
20	43	57
21	43	57
22	42	58
23	42	58
24	41	59
25	42	58
26	41	59
27	39	61
28	39	61
29	37	63
30	37	63

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	36
7	36
8	36
9	35
10	35
11	35
12	35
13	35
14	35
15	35
16	36
17	36
18	36
19	36
20	36
21	36
22	36
23	36
24	36
25	36
26	37
27	37
28	37
29	37
30	38

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	51	22	23	4
2	51	22	23	4
3	50	23	23	5
4	50	23	23	5
5	50	23	23	5
6	50	23	22	5
7	50	23	22	5
8	50	24	22	5
9	50	24	21	5
10	50	24	21	5
11	49	24	21	5
12	49	25	21	6
13	49	25	21	6
14	48	25	21	6
15	48	25	21	6
16	48	25	21	6
17	48	25	21	6
18	48	25	21	6
19	47	25	21	6
20	47	25	21	6
21	47	25	22	6
22	46	25	22	7
23	45	26	22	7
24	45	26	22	7
25	44	26	22	8
26	43	26	22	8
27	42	27	22	9
28	41	27	22	9
29	41	27	22	10
30	40	28	22	10

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

	Clearer (%)	Cloudier (%)
1	47	53
2	46	54
3	45	55
4	44	56
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	42	58
19	43	57
20	43	57
21	43	57
22	42	58
23	42	58
24	41	59
25	42	58
26	41	59
27	39	61
28	39	61
29	37	63
30	37	63

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	36
7	36
8	36
9	35
10	35
11	35
12	35
13	35
14	35
15	35
16	36
17	36
18	36
19	36
20	36
21	36
22	36
23	36
24	36
25	36
26	37
27	37
28	37
29	37
30	38

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	51	22	23	4
2	51	22	23	4
3	50	23	23	5
4	50	23	23	5
5	50	23	23	5
6	50	23	22	5
7	50	23	22	5
8	50	24	22	5
9	50	24	21	5
10	50	24	21	5
11	49	24	21	5
12	49	25	21	6
13	49	25	21	6
14	48	25	21	6
15	48	25	21	6
16	48	25	21	6
17	48	25	21	6
18	48	25	21	6
19	47	25	21	6
20	47	25	21	6
21	47	25	22	6
22	46	25	22	7
23	45	26	22	7
24	45	26	22	7
25	44	26	22	8
26	43	26	22	8
27	42	27	22	9
28	41	27	22	9
29	41	27	22	10
30	40	28	22	10

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

	Clearer (%)	Cloudier (%)
1	47	53
2	46	54
3	45	55
4	44	56
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	41	59
13	42	58
14	42	58
15	42	58
16	42	58
17	42	58
18	42	58
19	43	57
20	43	57
21	43	57
22	42	58
23	42	58
24	41	59
25	42	58
26	41	59
27	39	61
28	39	61
29	37	63
30	37	63

	Rain chance (%)
1	35
2	35
3	35
4	35
5	35
6	36
7	36
8	36
9	35
10	35
11	35
12	35
13	35
14	35
15	35
16	36
17	36
18	36
19	36
20	36
21	36
22	36
23	36
24	36
25	36
26	37
27	37
28	37
29	37
30	38

	Dry (%)	Comfortable (%)	Humid (%)	Muggy (%)
1	51	22	23	4
2	51	22	23	4
3	50	23	23	5
4	50	23	23	5
5	50	23	23	5
6	50	23	22	5
7	50	23	22	5
8	50	24	22	5
9	50	24	21	5
10	50	24	21	5
11	49	24	21	5
12	49	25	21	6
13	49	25	21	6
14	48	25	21	6
15	48	25	21	6
16	48	25	21	6
17	48	25	21	6
18	48	25	21	6
19	47	25	21	6
20	47	25	21	6
21	47	25	22	6
22	46	25	22	7
23	45	26	22	7
24	45	26	22	7
25	44	26	22	8
26	43	26	22	8
27	42	27	22	9
28	41	27	22	9
29	41	27	22	10
30	40	28	22	10