Diani Beach
Kenya · Africa
Year-round range: 72°F to 90°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.
Many light rain days — persistent drizzle rather than heavy downpours.
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 82° and nights settle near 73°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 89°F | 77°F | 7 | 0.5in | 7.4h | 73% | 83°F |
| Feb | 90°F | 77°F | 5 | 0.3in | 7.3h | 72% | 83°F |
| Mar | 89°F | 78°F | 15 | 2.3in | 7.1h | 74.85714285714285% | 84°F |
| Apr | 85°F | 77°F | 24 | 5.4in | 5.7h | 81.99999999999999% | 85°F |
| May | 82°F | 75°F | 22 | 10in | 6.2h | 82.57142857142857% | 83°F |
| Jun | 80°F | 74°F | 20 | 3.4in | 6.8h | 79% | 81°F |
| Jul | 79°F | 73°F | 21 | 2.5in | 6.9h | 79% | 79°F |
| Aug | 80°F | 72°F | 20 | 2.3in | 7.7h | 79% | 78°F |
| Sep | 81°F | 73°F | 18 | 2.4in | 8.7h | 78.85714285714285% | 78°F |
| Oct | 83°F | 74°F | 13 | 5.0in | 8h | 78.85714285714285% | 80°F |
| Nov | 85°F | 75°F | 19 | 4.6in | 7.5h | 80.85714285714286% | 82°F |
| Dec | 87°F | 76°F | 16 | 2.6in | 8h | 77.14285714285714% | 83°F |