Orleans weather in September
In September, Orleans sees average daytime highs of 22°C and overnight lows near 13°C, with 141 mm of rain across 13.9 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-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 27% 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 Orleans's 7th-clearest and 1st-windiest month. For the whole year in context, see Orleans's year-round climate.
- Daytime high
- 22°
- 8th warmest
- Overnight low
- 13°
- 5th coldest
- Rainfall
- 141 mm
- 13.9 wet days
- Daylight
- 11 h 48 min
- 7:16 AM – 7:06 PM
- Cloud cover
- 66%
- 7th clearest
- Wind
- 7 km/h
- 1st windiest
- Solar energy
- 4.06 kWh/m²
- Travel score
- 5.9
- out of 10
Orleans is central town of Orleans Municipality, Santa Catarina, Brazil.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 22°C through the month.
A typical September day in Orleans reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°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 on par with August and about 1°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 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg low (°C) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 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 | 13 |
| 11 | 22 | 13 |
| 12 | 22 | 13 |
| 13 | 22 | 13 |
| 14 | 22 | 13 |
| 15 | 22 | 13 |
| 16 | 22 | 13 |
| 17 | 22 | 13 |
| 18 | 22 | 13 |
| 19 | 22 | 13 |
| 20 | 22 | 13 |
| 21 | 22 | 13 |
| 22 | 22 | 13 |
| 23 | 22 | 13 |
| 24 | 22 | 13 |
| 25 | 22 | 13 |
| 26 | 22 | 13 |
| 27 | 22 | 13 |
| 28 | 22 | 13 |
| 29 | 22 | 13 |
| 30 | 22 | 13 |
Orleans 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 19° | 314 | 22.9 | 13.6 | 4.5 |
| Feb | 27° / 19° | 278 | 21.5 | 13 | 4.4 |
| Mar | 26° / 18° | 199 | 20.6 | 12.2 | 5.0 |
| Apr | 24° / 15° | 120 | 13.2 | 11.3 | 6.3 |
| May | 21° / 12° | 133 | 11.5 | 10.6 | 6.4 |
| Jun | 20° / 11° | 98 | 9.9 | 10.2 | 6.4 |
| Jul | 20° / 10° | 87 | 10.1 | 10.4 | 6.4 |
| Aug | 21° / 11° | 98 | 10 | 11 | 6.7 |
| Sep | 22° / 13° | 141 | 13.9 | 11.8 | 5.9 |
| Oct | 23° / 15° | 166 | 17.7 | 12.7 | 5.5 |
| Nov | 25° / 16° | 192 | 17.4 | 13.4 | 5.5 |
| Dec | 27° / 18° | 226 | 19.6 | 13.8 | 5.0 |
Cloud cover in September
The sky is clear or mostly clear about 27% 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 63%. 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 (%) | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 35 | 33 | 33 | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 28 |
| Cloudier (%) | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 61 | 61 | 62 | 62 | 63 | 63 | 64 | 64 | 65 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 70 | 71 | 71 | 72 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 47 | 53 |
| 3 | 46 | 54 |
| 4 | 45 | 55 |
| 5 | 44 | 56 |
| 6 | 43 | 57 |
| 7 | 42 | 58 |
| 8 | 41 | 59 |
| 9 | 40 | 60 |
| 10 | 39 | 61 |
| 11 | 39 | 61 |
| 12 | 39 | 61 |
| 13 | 38 | 62 |
| 14 | 38 | 62 |
| 15 | 37 | 63 |
| 16 | 37 | 63 |
| 17 | 36 | 64 |
| 18 | 36 | 64 |
| 19 | 35 | 65 |
| 20 | 33 | 67 |
| 21 | 33 | 67 |
| 22 | 32 | 68 |
| 23 | 32 | 68 |
| 24 | 32 | 68 |
| 25 | 31 | 69 |
| 26 | 31 | 69 |
| 27 | 30 | 70 |
| 28 | 29 | 71 |
| 29 | 29 | 71 |
| 30 | 28 | 72 |
Chance of precipitation in September
Orleans gets around 141 mm of rain over 13.9 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 46% and peaks near 53% 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 (%) | 38 | 39 | 40 | 41 | 41 | 42 | 43 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 47 | 47 | 48 | 48 | 49 | 49 | 50 | 50 | 51 | 52 | 52 | 53 | 53 | 53 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 39 |
| 3 | 40 |
| 4 | 41 |
| 5 | 41 |
| 6 | 42 |
| 7 | 43 |
| 8 | 44 |
| 9 | 44 |
| 10 | 45 |
| 11 | 45 |
| 12 | 45 |
| 13 | 46 |
| 14 | 46 |
| 15 | 46 |
| 16 | 47 |
| 17 | 47 |
| 18 | 47 |
| 19 | 48 |
| 20 | 48 |
| 21 | 49 |
| 22 | 49 |
| 23 | 50 |
| 24 | 50 |
| 25 | 51 |
| 26 | 52 |
| 27 | 52 |
| 28 | 53 |
| 29 | 53 |
| 30 | 53 |
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 43% 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 (%) | 50 | 50 | 49 | 48 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 44 | 43 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 37 | 36 |
| Comfortable (%) | 33 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 35 |
| Humid (%) | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 26 |
| Muggy (%) | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 50 | 33 | 17 | 0 |
| 2 | 50 | 32 | 18 | 0 |
| 3 | 49 | 32 | 18 | 1 |
| 4 | 48 | 32 | 19 | 1 |
| 5 | 48 | 32 | 19 | 1 |
| 6 | 47 | 33 | 20 | 1 |
| 7 | 47 | 33 | 20 | 1 |
| 8 | 46 | 33 | 20 | 1 |
| 9 | 46 | 33 | 20 | 1 |
| 10 | 45 | 34 | 20 | 1 |
| 11 | 45 | 34 | 21 | 1 |
| 12 | 44 | 35 | 21 | 1 |
| 13 | 43 | 35 | 21 | 1 |
| 14 | 42 | 35 | 22 | 1 |
| 15 | 42 | 35 | 22 | 1 |
| 16 | 42 | 35 | 22 | 1 |
| 17 | 41 | 35 | 22 | 1 |
| 18 | 41 | 35 | 22 | 2 |
| 19 | 41 | 35 | 22 | 2 |
| 20 | 41 | 35 | 22 | 2 |
| 21 | 41 | 35 | 22 | 2 |
| 22 | 41 | 35 | 22 | 2 |
| 23 | 40 | 35 | 22 | 2 |
| 24 | 40 | 36 | 23 | 2 |
| 25 | 39 | 36 | 23 | 2 |
| 26 | 38 | 36 | 24 | 2 |
| 27 | 38 | 36 | 24 | 2 |
| 28 | 37 | 36 | 25 | 2 |
| 29 | 37 | 36 | 25 | 2 |
| 30 | 36 | 35 | 26 | 3 |
Wind in September
Winds average 7 km/h in September, the windiest month of the year.
Across September, daily wind ranges from about 7 km/h on the calmest days to 7 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) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
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 7:35 AM to 6:59 AM, and sunset from 6:59 PM to 7:14 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 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 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 | 12.2 |
| Sunrise (AM) | 7:35 | 7:34 | 7:32 | 7:31 | 7:30 | 7:29 | 7:28 | 7:26 | 7:25 | 7:24 | 7:23 | 7:21 | 7:20 | 7:19 | 7:18 | 7:16 | 7:15 | 7:14 | 7:13 | 7:12 | 7:10 | 7:09 | 7:08 | 7:07 | 7:05 | 7:04 | 7:03 | 7:02 | 7:01 | 6:59 |
| Sunset (PM) | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:02 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:05 | 7:05 | 7:06 | 7:06 | 7:07 | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 7:35 | 6:59 |
| 2 | 11.4 | 7:34 | 7:00 |
| 3 | 11.5 | 7:32 | 7:00 |
| 4 | 11.5 | 7:31 | 7:01 |
| 5 | 11.5 | 7:30 | 7:01 |
| 6 | 11.5 | 7:29 | 7:02 |
| 7 | 11.6 | 7:28 | 7:02 |
| 8 | 11.6 | 7:26 | 7:03 |
| 9 | 11.6 | 7:25 | 7:03 |
| 10 | 11.7 | 7:24 | 7:04 |
| 11 | 11.7 | 7:23 | 7:04 |
| 12 | 11.7 | 7:21 | 7:05 |
| 13 | 11.7 | 7:20 | 7:05 |
| 14 | 11.8 | 7:19 | 7:05 |
| 15 | 11.8 | 7:18 | 7:06 |
| 16 | 11.8 | 7:16 | 7:06 |
| 17 | 11.9 | 7:15 | 7:07 |
| 18 | 11.9 | 7:14 | 7:07 |
| 19 | 11.9 | 7:13 | 7:08 |
| 20 | 11.9 | 7:12 | 7:08 |
| 21 | 12.0 | 7:10 | 7:09 |
| 22 | 12.0 | 7:09 | 7:09 |
| 23 | 12.0 | 7:08 | 7:10 |
| 24 | 12.1 | 7:07 | 7:11 |
| 25 | 12.1 | 7:05 | 7:11 |
| 26 | 12.1 | 7:04 | 7:12 |
| 27 | 12.2 | 7:03 | 7:12 |
| 28 | 12.2 | 7:02 | 7:13 |
| 29 | 12.2 | 7:01 | 7:13 |
| 30 | 12.2 | 6:59 | 7:14 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.06 kWh/m².
For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 5.97 kWh/m² in December across the year — September's 4.06 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) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | 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 | 4.0 | Bright |
| 2 | 4.0 | Bright |
| 3 | 4.0 | Bright |
| 4 | 4.0 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Bright |
| 9 | 4.0 | Bright |
| 10 | 4.0 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.1 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.2 | Bright |
| 30 | 4.2 | Bright |
Is September a good time to visit Orleans?
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 Orleans for sightseeing.
What to pack for Orleans in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Orleans sees daytime highs around 22°C and nights near 13°C. Pack rain gear. About 14 days see rain.
Sea temperature near Orleans in September
The nearest coast averages about 18°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 50 km away) is warmest in February at about 25°C and coldest in August near 17°C.
It's comfortable for a long swim from Oct 23 to Jun 1 — about 7.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 25 | 25 | 24 | 21 | 19 | 17 | 17 | 18 | 20 | 21 | 23 |
| Comfort | Warm | Warm | Warm | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 24 | Refreshing |
| May | 21 | Refreshing |
| Jun | 19 | Cool |
| Jul | 17 | Cool |
| Aug | 17 | Cool |
| Sep | 18 | Cool |
| Oct | 20 | Cool |
| Nov | 21 | Refreshing |
| Dec | 23 | Refreshing |
UV index in Orleans 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 Orleans peaks around January 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (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 | 13 | 10 | 8 | 5 | 4 | 4 | 6 | 8 | 10 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 10 | Extreme |
| Apr | 8 | Very high |
| May | 5 | High |
| Jun | 4 | Moderate |
| Jul | 4 | Moderate |
| Aug | 6 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Orleans 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 Orleans is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 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 | 8 | 7 | 8 | 8 | 8 | 10 | 16 | 13 | 10 | 8 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 10 | Good |
| Aug | 16 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 8 | Good |
| Dec | 8 | Good |
Where is Orleans?
Orleans sits at 28.4°S, 49.3°W, 131 m above sea level, in Brazil. The nearest listed city is Braço do Norte, 15 km away.
Topography around Orleans
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Orleans.
Within 3 km, the terrain around Orleans has only modest variations in elevation — a maximum elevation change of 249 m around an average of 171 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 557 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,812 m.
The land around Orleans is covered by trees (60%) and grassland (25%) within 3 km, trees (66%) and grassland (26%) within 16 km, and trees (49%), grassland (22%) and water (21%) 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 Orleans (-28.3589°, -49.2914°, elevation 131 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).