São Pedro do Sul weather in September

In September, São Pedro do Sul sees average daytime highs of 22°C and overnight lows near 12°C, with 143 mm of rain across 10.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 4th-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 36% 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 São Pedro do Sul's 9th-clearest and 1st-windiest month. For the whole year in context, see São Pedro do Sul's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
5th coldest
Rainfall
143 mm
10.6 wet days
Daylight
11 h 48 min
7:36 AM – 7:26 PM
Cloud cover
57%
9th clearest
Wind
13 km/h
1st windiest
Solar energy
4.33 kWh/m²
Travel score
6.6
out of 10

São Pedro do Sul 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 São Pedro 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 16°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)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122212
132212
142212
152212
162212
172212
182212
192212
202212
212213
222213
232213
242213
252313
262313
272313
282313
292313
302313

São Pedro do Sul weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°15513.613.74.6
Feb29° / 20°13312.613.14.9
Mar28° / 18°12210.912.25.9
Apr25° / 15°14310.211.36.8
May21° / 12°1179.310.56.6
Jun19° / 11°1269.910.16.1
Jul19° / 10°1429.910.36.2
Aug21° / 11°1179.410.96.7
Sep22° / 12°14310.611.86.6
Oct25° / 15°20812.612.76.4
Nov27° / 16°13710.313.56.4
Dec30° / 19°14711.813.95.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
34951
44753
54753
64654
74654
84654
94654
104654
114654
124654
134753
144753
154753
164753
174753
184852
194951
204951
214951
225050
234951
245050
254951
264753
274852
284753
294654
304555

Chance of precipitation in September

Any precipitation

São Pedro do Sul gets around 143 mm of rain over 10.6 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.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
234
334
435
535
635
735
835
936
1036
1136
1236
1336
1436
1536
1636
1736
1836
1936
2036
2135
2235
2336
2436
2536
2637
2737
2837
2938
3038

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 (%)
15424202
25424202
35324212
45224213
55224213
65224213
75324212
85324212
95225212
105225212
115225212
125225212
135026213
145026213
155026213
165026213
175026213
185126203
195026204
205026204
214926204
224926205
234827205
244727206
254727206
264627217
274527217
284427218
294328218
304328219

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 7:55 AM to 7:18 AM, and sunset from 7:18 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:557:18
211.47:547:18
311.47:537:19
411.57:527:19
511.57:507:20
611.57:497:20
711.67:487:21
811.67:477:21
911.67:457:22
1011.67:447:23
1111.77:437:23
1211.77:417:24
1311.77:407:24
1411.87:397:25
1511.87:387:25
1611.87:367:26
1711.97:357:26
1811.97:347:27
1911.97:327:27
2011.97:317:28
2112.07:307:28
2212.07:297:29
2312.07:277:30
2412.17:267:30
2512.17:257:31
2612.17:237:31
2712.27:227:32
2812.27:217:32
2912.27:207:33
3012.37:187:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.33 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 6.74 kWh/m² in December across the year — September's 4.33 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Bright
54.0Bright
64.0Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.2Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit São Pedro do Sul?

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

6.6
Sightseeing
3rd-best month of the year
4.7
Beach & pool
8th-best month of the year

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

What to pack for São Pedro do Sul in September

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

In September, São Pedro 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 São Pedro 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 São Pedro do Sul peaks around January 19 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 19UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is São Pedro do Sul?

São Pedro do Sul sits at 29.6°S, 54.2°W, 185 m above sea level, in Brazil. The nearest listed city is Santa Maria, 37 km away.

Topography around São Pedro do Sul

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

Within 3 km, the terrain around São Pedro do Sul has only modest variations in elevation — a maximum elevation change of 176 m around an average of 159 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 351 m; within 80 km, significant variations in elevation — a maximum elevation change of 511 m.

The land around São Pedro do Sul is covered by grassland (40%) and trees (31%) within 3 km, grassland (41%), trees (29%) and cropland (28%) within 16 km, and cropland (47%), grassland (31%) and trees (20%) within 80 km.

3 km
176 m
16 km
351 m
80 km
511 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Santa Maria 37 km · Júlio de Castilhos 65 km · Tupanciretã 69 km · São Gabriel 81 km · Santiago 82 km · São Sepé 84 km · Agudo 91 km · São Francisco de Assis 92 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 São Pedro do Sul (-29.6206°, -54.1789°, elevation 185 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).