Monthly climate averages for Douniani, Comoros. Based on 10-year ERA5 reanalysis data.
Am Tropical Monsoon
Climate OverviewDouniani, Comoros in September has warm conditions, with highs averaging 25.8°C (78°F). Rain falls on about 10 days this month. Sea temperature reaches 26.7°C (80°F).
This month falls at the beginning of Spring.
Temperatures remain fairly steady throughout September, with daily highs around 26°C (79°F).
September sees fairly even rainfall, totalling about 25 mm across the month.
The warmest days tend to fall around the 24th, averaging 26°C (79°F).
Compared to August, this month is about 0°C cooler with 4 more rainy days.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 26°C (78°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 | 27°C / 24°C | 32°C / 28°C | 24days (348 mm) Wet | 10h Excellent | 83% Humid | 7.9 Very High | Wet | View Details |
| February | 27°C / 25°C | 33°C / 29°C | 23days (201 mm) Wet | 10.3h Excellent | 83% Humid | 8.5 Very High | Wet | View Details |
| March | 28°C / 25°C | 34°C / 29°C | 24days (171 mm) Wet | 10.6h Excellent | 82% Humid | 8.4 Very High | Wet | View Details |
| April | 28°C / 25°C | 33°C / 29°C | 21days (131 mm) Wet | 10.4h Excellent | 81% Humid | 7.7 Very High | Wet | View Details |
| May | 27°C / 24°C | 31°C / 27°C | 12days (46 mm) Wet | 10.5h Excellent | 76% Humid | 6.4 High | Good | View Details |
| June best | 26°C / 23°C | 29°C / 24°C | 10days (28 mm) Wet | 10.4h Excellent | 75% Muggy | 6.5 High | Excellent | View Details |
| July best | 25°C / 22°C | 28°C / 23°C | 7days (23 mm) Good | 10.5h Excellent | 73% Muggy | 6.6 High | Excellent | View Details |
| August best | 26°C / 21°C | 29°C / 23°C | 6days (18 mm) Good | 10.8h Excellent | 76% Humid | 7.5 Very High | Excellent | View Details |
| September best | 26°C / 21°C | 30°C / 24°C | 10days (26 mm) Wet | 11.3h Excellent | 79% Humid | 8 Very High | Excellent | View Details |
| October | 27°C / 23°C | 31°C / 25°C | 10days (32 mm) Wet | 11.6h Excellent | 79% Humid | 8.6 Very High | Good | View Details |
| November | 27°C / 24°C | 33°C / 27°C | 11days (48 mm) Wet | 11.8h Excellent | 79% Humid | 8.7 Very High | Good | View Details |
| December | 28°C / 25°C | 34°C / 28°C | 19days (126 mm) Wet | 11.6h Excellent | 80% 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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