Grajaú weather in September
In September, Grajaú sees average daytime highs of 35°C and overnight lows near 23°C, with 9 mm of rain across 1.7 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 65% of the time in September, and the air most often feels muggy.
Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Grajaú's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Grajaú's year-round climate.
- Daytime high
- 35°
- 1st warmest
- Overnight low
- 23°
- 9th coldest
- Rainfall
- 9 mm
- 1.7 wet days
- Daylight
- 12 hours
- 6:00 AM – 5:58 PM
- Cloud cover
- 35%
- 3rd clearest
- Wind
- 9 km/h
- 3rd windiest
- Solar energy
- 6.39 kWh/m²
- Travel score
- 3.4
- out of 10
Temperature in September
Day-to-day highs hold fairly steady near 35°C through the month.
A typical September day in Grajaú reaches about 35°C in the afternoon and slips back to 23°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, September runs on par with August and on par with 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) | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 35 | 22 |
| 2 | 35 | 22 |
| 3 | 35 | 22 |
| 4 | 35 | 22 |
| 5 | 35 | 22 |
| 6 | 35 | 22 |
| 7 | 35 | 22 |
| 8 | 35 | 22 |
| 9 | 35 | 23 |
| 10 | 35 | 23 |
| 11 | 35 | 23 |
| 12 | 35 | 23 |
| 13 | 35 | 23 |
| 14 | 35 | 23 |
| 15 | 35 | 23 |
| 16 | 35 | 23 |
| 17 | 35 | 23 |
| 18 | 35 | 23 |
| 19 | 35 | 23 |
| 20 | 35 | 23 |
| 21 | 35 | 23 |
| 22 | 35 | 23 |
| 23 | 35 | 23 |
| 24 | 35 | 23 |
| 25 | 35 | 23 |
| 26 | 35 | 23 |
| 27 | 35 | 23 |
| 28 | 34 | 23 |
| 29 | 34 | 23 |
| 30 | 34 | 23 |
How September really feels in Grajaú
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Grajaú weather by month
How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 23° | 172 | 24.8 | 12.3 | 3.0 |
| Feb | 30° / 22° | 175 | 23.9 | 12.2 | 2.9 |
| Mar | 31° / 23° | 188 | 26.1 | 12 | 2.9 |
| Apr | 31° / 23° | 132 | 20.4 | 11.9 | 3.3 |
| May | 31° / 22° | 64 | 10.5 | 11.7 | 4.2 |
| Jun | 32° / 22° | 8 | 1.6 | 11.7 | 4.8 |
| Jul | 33° / 21° | 5 | 0.8 | 11.7 | 4.4 |
| Aug | 34° / 22° | 2 | 0.3 | 11.8 | 3.8 |
| Sep | 35° / 23° | 9 | 1.7 | 12 | 3.4 |
| Oct | 34° / 24° | 32 | 5.3 | 12.1 | 3.4 |
| Nov | 33° / 24° | 78 | 11.9 | 12.3 | 3.4 |
| Dec | 32° / 23° | 135 | 17.7 | 12.3 | 3.3 |
Cloud cover in September
The sky is clear or mostly clear about 65% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 14%. 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 (%) | 89 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 86 | 86 | 84 | 84 | 83 | 83 | 82 | 81 | 80 | 80 | 78 | 78 |
| Cloudier (%) | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 14 | 16 | 16 | 17 | 17 | 18 | 19 | 20 | 20 | 22 | 22 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 89 | 11 |
| 2 | 88 | 12 |
| 3 | 88 | 12 |
| 4 | 88 | 12 |
| 5 | 88 | 12 |
| 6 | 88 | 12 |
| 7 | 88 | 12 |
| 8 | 88 | 12 |
| 9 | 88 | 12 |
| 10 | 88 | 12 |
| 11 | 88 | 12 |
| 12 | 88 | 12 |
| 13 | 88 | 12 |
| 14 | 88 | 12 |
| 15 | 87 | 13 |
| 16 | 87 | 13 |
| 17 | 87 | 13 |
| 18 | 87 | 13 |
| 19 | 86 | 14 |
| 20 | 86 | 14 |
| 21 | 84 | 16 |
| 22 | 84 | 16 |
| 23 | 83 | 17 |
| 24 | 83 | 17 |
| 25 | 82 | 18 |
| 26 | 81 | 19 |
| 27 | 80 | 20 |
| 28 | 80 | 20 |
| 29 | 78 | 22 |
| 30 | 78 | 22 |
Chance of precipitation in September
Grajaú gets around 9 mm of rain over 1.7 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 6% and peaks near 10% 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 (%) | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 10 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 3 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 4 |
| 10 | 4 |
| 11 | 4 |
| 12 | 4 |
| 13 | 5 |
| 14 | 5 |
| 15 | 5 |
| 16 | 6 |
| 17 | 6 |
| 18 | 6 |
| 19 | 7 |
| 20 | 7 |
| 21 | 7 |
| 22 | 8 |
| 23 | 8 |
| 24 | 8 |
| 25 | 9 |
| 26 | 9 |
| 27 | 9 |
| 28 | 10 |
| 29 | 10 |
| 30 | 10 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 71% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Humid (%) | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 30 | 29 | 28 | 26 | 25 | 23 | 21 | 19 | 18 | 16 | 15 | 13 | 12 | 11 | 10 | 9 | 8 | 8 |
| Muggy (%) | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 53 | 54 | 54 | 55 | 55 | 57 | 56 | 56 | 56 | 57 | 57 | 56 |
| Oppressive (%) | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 25 | 26 | 27 | 28 | 30 | 31 | 32 | 33 | 34 | 35 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 10 | 34 | 42 | 14 |
| 2 | 10 | 34 | 42 | 15 |
| 3 | 9 | 34 | 42 | 15 |
| 4 | 9 | 33 | 42 | 16 |
| 5 | 9 | 33 | 42 | 16 |
| 6 | 9 | 33 | 42 | 16 |
| 7 | 9 | 33 | 42 | 16 |
| 8 | 9 | 33 | 42 | 16 |
| 9 | 8 | 33 | 42 | 17 |
| 10 | 8 | 32 | 43 | 17 |
| 11 | 8 | 31 | 44 | 17 |
| 12 | 7 | 31 | 45 | 18 |
| 13 | 7 | 30 | 46 | 18 |
| 14 | 6 | 29 | 47 | 18 |
| 15 | 6 | 28 | 48 | 19 |
| 16 | 5 | 26 | 49 | 19 |
| 17 | 5 | 25 | 50 | 20 |
| 18 | 5 | 23 | 51 | 21 |
| 19 | 4 | 21 | 53 | 22 |
| 20 | 4 | 19 | 54 | 23 |
| 21 | 3 | 18 | 54 | 25 |
| 22 | 3 | 16 | 55 | 26 |
| 23 | 3 | 15 | 55 | 27 |
| 24 | 2 | 13 | 57 | 28 |
| 25 | 2 | 12 | 56 | 30 |
| 26 | 2 | 11 | 56 | 31 |
| 27 | 2 | 10 | 56 | 32 |
| 28 | 1 | 9 | 57 | 33 |
| 29 | 1 | 8 | 57 | 34 |
| 30 | 1 | 8 | 56 | 35 |
Wind in September
Winds average 9 km/h in September.
Across September, daily wind ranges from about 8 km/h on the calmest days to 9 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in September
Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over September. Sunrise moves from 6:08 AM to 5:53 AM, and sunset from 6:01 PM to 5:55 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:08 | 6:07 | 6:07 | 6:06 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:03 | 6:02 | 6:02 | 6:01 | 6:01 | 6:00 | 6:00 | 5:59 | 5:59 | 5:58 | 5:58 | 5:57 | 5:57 | 5:56 | 5:56 | 5:55 | 5:55 | 5:54 | 5:54 | 5:53 | 5:53 |
| Sunset (PM) | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:55 | 5:55 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:08 | 6:01 |
| 2 | 11.9 | 6:07 | 6:01 |
| 3 | 11.9 | 6:07 | 6:01 |
| 4 | 11.9 | 6:06 | 6:00 |
| 5 | 11.9 | 6:06 | 6:00 |
| 6 | 11.9 | 6:05 | 6:00 |
| 7 | 11.9 | 6:05 | 6:00 |
| 8 | 11.9 | 6:04 | 6:00 |
| 9 | 11.9 | 6:04 | 5:59 |
| 10 | 11.9 | 6:03 | 5:59 |
| 11 | 11.9 | 6:02 | 5:59 |
| 12 | 11.9 | 6:02 | 5:59 |
| 13 | 12.0 | 6:01 | 5:59 |
| 14 | 12.0 | 6:01 | 5:58 |
| 15 | 12.0 | 6:00 | 5:58 |
| 16 | 12.0 | 6:00 | 5:58 |
| 17 | 12.0 | 5:59 | 5:58 |
| 18 | 12.0 | 5:59 | 5:58 |
| 19 | 12.0 | 5:58 | 5:57 |
| 20 | 12.0 | 5:58 | 5:57 |
| 21 | 12.0 | 5:57 | 5:57 |
| 22 | 12.0 | 5:57 | 5:57 |
| 23 | 12.0 | 5:56 | 5:57 |
| 24 | 12.0 | 5:56 | 5:56 |
| 25 | 12.0 | 5:55 | 5:56 |
| 26 | 12.0 | 5:55 | 5:56 |
| 27 | 12.0 | 5:54 | 5:56 |
| 28 | 12.0 | 5:54 | 5:56 |
| 29 | 12.0 | 5:53 | 5:55 |
| 30 | 12.0 | 5:53 | 5:55 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.39 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 6.39 kWh/m² in September across the year — September's 6.39 kWh/m² sits near the top of that range.
| 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) | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.3 | Intense |
| 2 | 6.3 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.4 | Intense |
| 18 | 6.4 | Intense |
| 19 | 6.4 | Intense |
| 20 | 6.4 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
Hazard calendar for Grajaú
None of Grajaú's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Grajaú's monsoon runs December–April, when most of the year's rain falls.
Is September a good time to visit Grajaú?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Grajaú. The water and warmth also suit a beach or pool day.
What to pack for Grajaú in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Grajaú sees daytime highs around 35°C and nights near 23°C. Pack light clothes and sun protection.
UV index in Grajaú in September
Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Grajaú peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).
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) | 14 | 15 | 15 | 14 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 10 | Extreme |
Air quality in Grajaú 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 Grajaú is worst in October — around 28 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (June, 6 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) | 13 | 12 | 12 | 11 | 9 | 6 | 8 | 17 | 26 | 28 | 22 | 17 |
| Level | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 12 | Good |
| Mar | 12 | Good |
| Apr | 11 | Good |
| May | 9 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 17 | Moderate |
| Sep | 26 | Moderate |
| Oct | 28 | Moderate |
| Nov | 22 | Moderate |
| Dec | 17 | Moderate |
Where is Grajaú?
Grajaú sits at 5.8°S, 46.1°W, 163 m above sea level, in Brazil. The nearest listed city is Sítio Novo, 62 km away.
Topography around Grajaú
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grajaú.
Within 3 km, the terrain around Grajaú has only modest variations in elevation — a maximum elevation change of 115 m around an average of 193 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 218 m; within 80 km, significant variations in elevation — a maximum elevation change of 593 m.
The land around Grajaú is covered by trees (53%), grassland (24%) and artificial surfaces (20%) within 3 km, trees (58%) and grassland (33%) within 16 km, and trees (66%) and grassland (26%) 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 Grajaú (-5.8194°, -46.1386°, elevation 163 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).