Port Louis
Mauritius · Africa
Year-round range: 66°F to 83°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 has comfortable temperatures — not too hot, not too cold.
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 74° and nights settle near 69°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity | Sea °F |
|---|---|---|---|---|---|---|---|
| Jan | 83°F | 76°F | 24 | 8.9in | 6.6h | 81.99999999999999% | 82°F |
| Feb | 83°F | 76°F | 24 | 9.7in | 6.5h | 83.85714285714286% | 83°F |
| Mar | 82°F | 75°F | 18 | 9.1in | 6.6h | 83% | 82°F |
| Apr | 80°F | 74°F | 16 | 6.7in | 7h | 83.28571428571428% | 81°F |
| May | 78°F | 71°F | 12 | 4.3in | 7.6h | 79.14285714285714% | 80°F |
| Jun | 75°F | 68°F | 10 | 3.2in | 7.6h | 76% | 77°F |
| Jul | 74°F | 67°F | 10 | 3.2in | 7.5h | 75.14285714285714% | 75°F |
| Aug | 74°F | 66°F | 8 | 2.8in | 7.8h | 74.28571428571428% | 74°F |
| Sep | 75°F | 67°F | 10 | 2.3in | 8.4h | 74.28571428571428% | 74°F |
| Oct | 78°F | 69°F | 8 | 1.9in | 8.5h | 73.42857142857143% | 76°F |
| Nov | 80°F | 71°F | 9 | 2.9in | 8.7h | 75.28571428571428% | 78°F |
| Dec | 82°F | 74°F | 18 | 5.0in | 8h | 77.28571428571428% | 80°F |