Natal
Brazil · South America
Year-round range: 73°F to 85°F
September
Excellent conditions this month
Warm sea, low rain, and plenty of bright days make this a strong beach month.
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
September is warm and sunny — good beach and outdoor weather.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = SepRainfall
Monthly rain and rain days.
September has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
September is sunny overall, with occasional showers to plan around.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
September is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for September.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In September, afternoons reach about 80° and nights settle near 75°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 85°F | 77°F | 16 | 3.5in | 7h | 76.28571428571428% | 82°F |
| Feb | 85°F | 77°F | 16 | 4.1in | 6.7h | 77.28571428571428% | 82°F |
| Mar | 84°F | 77°F | 21 | 8.1in | 6.4h | 80.28571428571428% | 83°F |
| Apr | 84°F | 76°F | 23 | 9.0in | 5.9h | 81.14285714285714% | 83°F |
| May | 83°F | 76°F | 22 | 8.9in | 7.1h | 81.28571428571429% | 83°F |
| Jun | 81°F | 74°F | 24 | 12in | 7.6h | 81.28571428571429% | 82°F |
| Jul | 80°F | 73°F | 23 | 9.0in | 8.1h | 79.42857142857142% | 81°F |
| Aug | 81°F | 73°F | 15 | 4.0in | 9h | 76.42857142857142% | 80°F |
| Sep | 82°F | 74°F | 9 | 2.4in | 9.5h | 73.71428571428571% | 80°F |
| Oct | 84°F | 75°F | 6 | 1.1in | 9.2h | 72.57142857142857% | 80°F |
| Nov | 84°F | 76°F | 11 | 1.4in | 8.4h | 72.57142857142857% | 81°F |
| Dec | 85°F | 77°F | 16 | 1.5in | 7.8h | 73.57142857142857% | 81°F |