Osório weather in September
In September, Osório sees average daytime highs of 20°C and overnight lows near 14°C, with 138 mm of rain across 11.3 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 30% 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 Osório's 11th-clearest and 3rd-windiest month. For the whole year in context, see Osório's year-round climate.
- Daytime high
- 20°
- 9th warmest
- Overnight low
- 14°
- 4th coldest
- Rainfall
- 138 mm
- 11.3 wet days
- Daylight
- 11 h 48 min
- 7:21 AM – 7:10 PM
- Cloud cover
- 62%
- 11th clearest
- Wind
- 16 km/h
- 3rd windiest
- Solar energy
- 4.15 kWh/m²
- Travel score
- 6.0
- out of 10
Osório is Río Grande del Sur.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 20°C through the month.
A typical September day in Osório reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°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) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 13 |
| 2 | 20 | 14 |
| 3 | 20 | 14 |
| 4 | 20 | 14 |
| 5 | 20 | 14 |
| 6 | 20 | 14 |
| 7 | 20 | 14 |
| 8 | 20 | 14 |
| 9 | 20 | 14 |
| 10 | 20 | 14 |
| 11 | 20 | 14 |
| 12 | 20 | 14 |
| 13 | 20 | 14 |
| 14 | 20 | 14 |
| 15 | 20 | 14 |
| 16 | 20 | 14 |
| 17 | 20 | 14 |
| 18 | 20 | 14 |
| 19 | 20 | 14 |
| 20 | 20 | 14 |
| 21 | 20 | 14 |
| 22 | 20 | 14 |
| 23 | 20 | 14 |
| 24 | 20 | 15 |
| 25 | 20 | 15 |
| 26 | 20 | 15 |
| 27 | 21 | 15 |
| 28 | 21 | 15 |
| 29 | 21 | 15 |
| 30 | 21 | 15 |
Osório weather by month
How September compares with the rest of the year at a glance. September is the 9th-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 | 27° / 21° | 124 | 13.4 | 13.7 | 6.0 |
| Feb | 27° / 21° | 106 | 13.2 | 13.1 | 5.8 |
| Mar | 26° / 20° | 115 | 12.2 | 12.2 | 6.4 |
| Apr | 24° / 18° | 88 | 9.4 | 11.3 | 7.0 |
| May | 21° / 15° | 109 | 9.9 | 10.5 | 6.5 |
| Jun | 19° / 13° | 102 | 9.2 | 10.1 | 6.2 |
| Jul | 18° / 12° | 125 | 9.9 | 10.3 | 6.0 |
| Aug | 19° / 13° | 113 | 10 | 10.9 | 6.3 |
| Sep | 20° / 14° | 138 | 11.3 | 11.8 | 6.0 |
| Oct | 22° / 16° | 152 | 12.6 | 12.7 | 6.2 |
| Nov | 24° / 18° | 108 | 10.8 | 13.5 | 6.8 |
| Dec | 26° / 20° | 111 | 11.5 | 13.9 | 6.4 |
Cloud cover in September
The sky is clear or mostly clear about 30% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 57%. 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 (%) | 49 | 46 | 46 | 46 | 43 | 43 | 43 | 43 | 42 | 43 | 42 | 43 | 43 | 43 | 43 | 42 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 39 | 39 | 39 | 37 |
| Cloudier (%) | 51 | 54 | 54 | 54 | 57 | 57 | 57 | 57 | 58 | 57 | 58 | 57 | 57 | 57 | 57 | 58 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 61 | 61 | 61 | 63 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 49 | 51 |
| 2 | 46 | 54 |
| 3 | 46 | 54 |
| 4 | 46 | 54 |
| 5 | 43 | 57 |
| 6 | 43 | 57 |
| 7 | 43 | 57 |
| 8 | 43 | 57 |
| 9 | 42 | 58 |
| 10 | 43 | 57 |
| 11 | 42 | 58 |
| 12 | 43 | 57 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 42 | 58 |
| 17 | 44 | 56 |
| 18 | 44 | 56 |
| 19 | 44 | 56 |
| 20 | 43 | 57 |
| 21 | 43 | 57 |
| 22 | 43 | 57 |
| 23 | 43 | 57 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 41 | 59 |
| 27 | 39 | 61 |
| 28 | 39 | 61 |
| 29 | 39 | 61 |
| 30 | 37 | 63 |
Chance of precipitation in September
Osório gets around 138 mm of rain over 11.3 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 40% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 33 |
| 3 | 33 |
| 4 | 34 |
| 5 | 34 |
| 6 | 35 |
| 7 | 36 |
| 8 | 36 |
| 9 | 37 |
| 10 | 37 |
| 11 | 37 |
| 12 | 38 |
| 13 | 38 |
| 14 | 39 |
| 15 | 39 |
| 16 | 39 |
| 17 | 40 |
| 18 | 40 |
| 19 | 40 |
| 20 | 40 |
| 21 | 40 |
| 22 | 40 |
| 23 | 40 |
| 24 | 40 |
| 25 | 40 |
| 26 | 40 |
| 27 | 40 |
| 28 | 40 |
| 29 | 40 |
| 30 | 40 |
Humidity in September
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 35% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 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 (%) | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 35 | 35 | 35 | 34 | 34 | 33 | 33 | 32 | 32 | 32 |
| Comfortable (%) | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 |
| Humid (%) | 26 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 38 | 34 | 26 | 2 |
| 2 | 37 | 34 | 27 | 2 |
| 3 | 37 | 34 | 27 | 2 |
| 4 | 36 | 34 | 27 | 2 |
| 5 | 36 | 34 | 28 | 2 |
| 6 | 36 | 34 | 28 | 2 |
| 7 | 36 | 33 | 29 | 2 |
| 8 | 36 | 33 | 29 | 2 |
| 9 | 36 | 33 | 30 | 2 |
| 10 | 35 | 33 | 30 | 2 |
| 11 | 35 | 32 | 31 | 2 |
| 12 | 35 | 32 | 32 | 2 |
| 13 | 35 | 31 | 32 | 2 |
| 14 | 35 | 31 | 33 | 2 |
| 15 | 35 | 30 | 33 | 2 |
| 16 | 35 | 30 | 33 | 2 |
| 17 | 35 | 29 | 33 | 3 |
| 18 | 35 | 29 | 33 | 3 |
| 19 | 36 | 29 | 32 | 3 |
| 20 | 36 | 29 | 32 | 4 |
| 21 | 35 | 29 | 32 | 4 |
| 22 | 35 | 29 | 31 | 4 |
| 23 | 35 | 29 | 31 | 5 |
| 24 | 34 | 30 | 31 | 5 |
| 25 | 34 | 30 | 31 | 5 |
| 26 | 33 | 30 | 31 | 6 |
| 27 | 33 | 30 | 31 | 6 |
| 28 | 32 | 30 | 31 | 7 |
| 29 | 32 | 29 | 31 | 7 |
| 30 | 32 | 29 | 31 | 8 |
Wind in September
Winds average 16 km/h in September.
Across September, daily wind ranges from about 15 km/h on the calmest days to 17 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) | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | 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 | 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 | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
Sunrise & sunset in September
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 7:40 AM to 7:03 AM, and sunset from 7:02 PM to 7:18 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) | 7:40 | 7:39 | 7:37 | 7:36 | 7:35 | 7:34 | 7:32 | 7:31 | 7:30 | 7:28 | 7:27 | 7:26 | 7:25 | 7:23 | 7:22 | 7:21 | 7:19 | 7:18 | 7:17 | 7:16 | 7:14 | 7:13 | 7:12 | 7:10 | 7:09 | 7:08 | 7:07 | 7:05 | 7:04 | 7:03 |
| Sunset (PM) | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:05 | 7:05 | 7:06 | 7:06 | 7:07 | 7:07 | 7:08 | 7:08 | 7:09 | 7:10 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:15 | 7:15 | 7:16 | 7:16 | 7:17 | 7:17 | 7:18 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 7:40 | 7:02 |
| 2 | 11.4 | 7:39 | 7:02 |
| 3 | 11.4 | 7:37 | 7:03 |
| 4 | 11.5 | 7:36 | 7:03 |
| 5 | 11.5 | 7:35 | 7:04 |
| 6 | 11.5 | 7:34 | 7:05 |
| 7 | 11.5 | 7:32 | 7:05 |
| 8 | 11.6 | 7:31 | 7:06 |
| 9 | 11.6 | 7:30 | 7:06 |
| 10 | 11.6 | 7:28 | 7:07 |
| 11 | 11.7 | 7:27 | 7:07 |
| 12 | 11.7 | 7:26 | 7:08 |
| 13 | 11.7 | 7:25 | 7:08 |
| 14 | 11.8 | 7:23 | 7:09 |
| 15 | 11.8 | 7:22 | 7:10 |
| 16 | 11.8 | 7:21 | 7:10 |
| 17 | 11.9 | 7:19 | 7:11 |
| 18 | 11.9 | 7:18 | 7:11 |
| 19 | 11.9 | 7:17 | 7:12 |
| 20 | 11.9 | 7:16 | 7:12 |
| 21 | 12.0 | 7:14 | 7:13 |
| 22 | 12.0 | 7:13 | 7:13 |
| 23 | 12.0 | 7:12 | 7:14 |
| 24 | 12.1 | 7:10 | 7:15 |
| 25 | 12.1 | 7:09 | 7:15 |
| 26 | 12.1 | 7:08 | 7:16 |
| 27 | 12.2 | 7:07 | 7:16 |
| 28 | 12.2 | 7:05 | 7:17 |
| 29 | 12.2 | 7:04 | 7:17 |
| 30 | 12.3 | 7:03 | 7:18 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.15 kWh/m².
For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 6.6 kWh/m² in December across the year — September's 4.15 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) | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 3.9 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 |
| Level | 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 | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 3.9 | Moderate |
| 2 | 3.9 | Moderate |
| 3 | 3.9 | Moderate |
| 4 | 3.9 | Moderate |
| 5 | 3.9 | Moderate |
| 6 | 3.9 | Moderate |
| 7 | 4.0 | Moderate |
| 8 | 4.0 | Moderate |
| 9 | 4.0 | Moderate |
| 10 | 4.0 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.0 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.2 | Bright |
| 17 | 4.2 | Bright |
| 18 | 4.2 | Bright |
| 19 | 4.2 | Bright |
| 20 | 4.3 | 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 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
Is September a good time to visit Osório?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Osório for sightseeing.
What to pack for Osório in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Osório sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.
Sea temperature near Osório in September
The nearest coast averages about 17°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in February at about 25°C and coldest in August near 16°C.
It's comfortable for a long swim from Nov 9 to May 19 — about 6.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 25 | 24 | 23 | 20 | 18 | 16 | 16 | 17 | 19 | 20 | 23 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Warm |
| Feb | 25 | Warm |
| Mar | 24 | Warm |
| Apr | 23 | Refreshing |
| May | 20 | Refreshing |
| Jun | 18 | Cool |
| Jul | 16 | Cool |
| Aug | 16 | Cool |
| Sep | 17 | Cool |
| Oct | 19 | Cool |
| Nov | 20 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Osório in September
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 Osório peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 10 | 7 | 4 | 3 | 4 | 5 | 8 | 9 | 11 | 12 |
| Level | Extreme | Extreme | Very high | Very high | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Very high |
| Apr | 7 | Very high |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Osório in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Osório is worst in August — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 7 | 7 | 8 | 8 | 8 | 11 | 15 | 12 | 9 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 11 | Good |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Osório?
Osório sits at 29.9°S, 50.3°W, 18 m above sea level, in Brazil. The nearest listed city is Imbé, 17 km away.
Topography around Osório
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Osório.
Within 3 km, the terrain around Osório has significant variations in elevation — a maximum elevation change of 391 m around an average of 95 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 696 m; within 80 km, large variations in elevation — a maximum elevation change of 1,050 m.
The land around Osório is covered by trees (45%), grassland (25%) and artificial surfaces (24%) within 3 km, trees (36%), grassland (25%) and water (23%) within 16 km, and trees (32%), water (32%) and grassland (22%) within 80 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 Osório (-29.8867°, -50.2697°, elevation 18 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).