Monthly climate averages for Mramani, Comoros. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewMramani, Comoros in September has hot conditions, with highs reaching 28.1°C (83°F) and afternoons the warmest part of the day. Sea temperature reaches 26.8°C (80°F).
This month falls at the beginning of Spring.
Temperatures remain fairly steady throughout September, with daily highs around 28°C (82°F).
September sees fairly even rainfall, totalling about 20 mm across the month.
The warmest days tend to fall around the 19th, averaging 28.4°C (83°F).
Compared to August, this month is about 1°C warmer with 2 more rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 28°C (83°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
Recent yearly records for September have stayed close to the long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 29°C / 25°C | 35°C / 30°C | 25days (288 mm) Wet | 9.6h Good | 83% Humid | 8.2 Very High | Wet | View Details |
| February | 29°C / 25°C | 36°C / 30°C | 25days (240 mm) Wet | 10h Excellent | 84% Humid | 8.6 Very High | Wet | View Details |
| March | 30°C / 26°C | 37°C / 31°C | 26days (185 mm) Wet | 10.4h Excellent | 83% Humid | 8.5 Very High | Wet | View Details |
| April | 29°C / 25°C | 36°C / 30°C | 20days (118 mm) Wet | 10.4h Excellent | 82% Humid | 7.8 Very High | Wet | View Details |
| May | 29°C / 25°C | 33°C / 28°C | 11days (38 mm) Wet | 10.4h Excellent | 76% Humid | 6.6 High | Good | View Details |
| June best | 28°C / 24°C | 30°C / 26°C | 6days (23 mm) Good | 10.1h Excellent | 73% Muggy | 6.4 High | Excellent | View Details |
| July best | 27°C / 23°C | 29°C / 24°C | 5days (16 mm) Good | 10.3h Excellent | 72% Muggy | 6.6 High | Excellent | View Details |
| August best | 27°C / 22°C | 30°C / 24°C | 5days (15 mm) Good | 10.8h Excellent | 73% Muggy | 7.5 Very High | Excellent | View Details |
| September best | 28°C / 22°C | 32°C / 25°C | 7days (20 mm) Good | 11.2h Excellent | 74% Muggy | 8.1 Very High | Excellent | View Details |
| October | 29°C / 23°C | 34°C / 27°C | 10days (42 mm) Wet | 11.5h Excellent | 75% Muggy | 8.8 Very High | Fair | View Details |
| November | 30°C / 24°C | 35°C / 29°C | 15days (73 mm) Wet | 11.6h Excellent | 77% Humid | 9 Very High | Poor | View Details |
| December | 30°C / 25°C | 36°C / 30°C | 21days (154 mm) Wet | 11.4h Excellent | 79% Humid | 9 Very High | Wet | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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