Comoros weather in September 2025

Q: How hot is it in Comoros in September?

Daytime temperatures usually reach 25°C in Moroni, Grande Comore, Comoros in September with low heat and humidity, falling to 17°C at night.

Q: How sunny is it in Comoros in September?

There are normally 10 hours of bright sunshine each day in Moroni, Grande Comore, Comoros in September - that's 81% of daylight hours.

Q: How warm is the sea around Comoros in September?

The average sea temperature around Moroni, Grande Comore, Comoros in September is 26°C.

Q: Does it rain in Comoros in September?

There are usually 4 days with some rain in Moroni, Grande Comore, Comoros in September and the average monthly rainfall is 70mm.

Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Comoros in September. Check more long-term weather averages for Comoros in September before you book your next holiday to Comoros in 2025/2026.

25
25°C max day temperature
10
10 hours of sunshine per day
4
4 days with some rainfall
17
17°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
70
70 mm of monthly rainfall
11
11+ (Extreme) UV index
26
26°C sea temperature

More about Comoros

Comoros by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Comoros

KLM: Low fares on long haul from £332 return

Sale

Save on return flights to worldwide destinations
Book flights to Abu Dhabi, Jo'burg, Tokyo & more
Plus more flights to the Americas, Middle East & Europe

Go to KLM deal >>

View all KLM offers

The September weather guide for Comoros, represented by Moroni, Grande Comore, (Moroni, Grande Comore) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in Comoros in September?

Daytime temperatures usually reach 25°C in Moroni, Grande Comore, Comoros in September with low heat and humidity, falling to 17°C at night.

How sunny is it in Comoros in September?

There are normally 10 hours of bright sunshine each day in Moroni, Grande Comore, Comoros in September - that's 81% of daylight hours.

How warm is the sea around Comoros in September?

The average sea temperature around Moroni, Grande Comore, Comoros in September is 26°C.

Does it rain in Comoros in September?

There are usually 4 days with some rain in Moroni, Grande Comore, Comoros in September and the average monthly rainfall is 70mm.

Comoros September sunrise & sunset times

Browse the sunrise and sunset times for Comoros in September 2025. Select a month to view Comoros sunrise and sunset times for the next 12 months. The Comoros sunrise and sunset times shown below are for Moroni, Grande Comore.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec