September · Comoros
Best time to visit Moroni in September Weather, crowds & prices
Weather in Moroni in September
Average temperature 26°C, 25 mm of rain, about 27 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
9.8/10
Ranked #2 of 12 months
- Avg temp
- 26°C
- Rainfall
- 25 mm
- Humidity
- 75%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Moroni scores 9.8/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 26°C, 25 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Moroni is the capital of the Comoros, with a whitewashed medina, a harbour and a volcano rising behind it.
September in Moroni — one of the year's strongest windows (2nd)
September averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 25 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 11.9 daylight hours.
A 9.8/10 puts this among the year's best months in Moroni (2nd of 12); only August scores higher, at 9.8/10.
Pack light clothing, swimwear and real sun protection.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Moroni in September?
- In September, Moroni averages 26°C, 25 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 9.8/10.
- Is September a good time to visit Moroni?
- September earns a 9.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Moroni in September?
- Expect about 25 mm of rain in September. Average humidity is 75% and there are about 27 days with 6+ hours of sunshine.
Curated in Moroni
Tickets & experiences
Things to do in Moroni
Moroni, Comoros. Live activities and tours from GetYourGuide, matched to this destination.