The month in detail
What to expect in September
In September, Sri Lanka sees 90°F during the day with 7.1h of sunshine per day. Rain risk remains low (21% of days), leaving good room for outdoor activities.
September ranks 8 out of 12 months in Sri Lanka. Compared to August: 5 pts more rainy days, −0.5h of sun per day.
This month's conditions
What it's like in September
UV index
9 · very high
protection essential
Feels like
very humid
21°
Daylight
12.0h of daylight
Air quality
good
AQI 20
Compare
Is September the right month?
The best month in Sri Lanka is February (8.5/10), 3.2 pts higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Sri Lanka
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
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🎟️ Activities & tours · Sri Lanka
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Sri Lanka
🗣️LanguageCingalais
💶CurrencyRoupie sri-lankaise (Rs)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5
🌡️ Climate
🌍Climate typeEquatorial tropical
📈Climate trend ⓘStable
🔥Hottest monthApril · 91°F
❄️Coolest monthJanuary · 82°F
🌧️Rainiest month ⓘNovember · 52%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘNone (equator)
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Sri Lanka ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Sri LankaEquatorial tropical climate with a 8.5 → 4.9 gap between best and worst month. 10 years of ERA5 data to choose by project.
7.87°N · 80.77°E
Questions
Frequently asked questions
What is the best time to visit Sri Lanka?
February is the best month with 84°F highs, 72°F lows, 7.2h of sunshine and 20.0% rainy days. The months of February & January offer comparable conditions.
How many hours of sunshine does Sri Lanka get in February?
Sri Lanka averages 7.2 sunshine hours per day in February. It is the sunniest month with a climate score of 8.1/10.
What is the rainiest month in Sri Lanka?
November is the most unfavourable month with November has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Sri Lanka in February?
In February, overnight lows reach 72°F, while afternoon highs average 84°F.
Is Sri Lanka good in winter?
In winter (December-February), Sri Lanka scores 7.8/10 on average — Acceptable conditions for cultural visits.. The best month overall remains February with a score of 8.1/10.
When should you avoid Sri Lanka?
November is the most difficult month to visit Sri Lanka, with November has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Sri Lanka in September?
The average UV index reaches 9 in September in Sri Lanka (very high), with about 12.0h of daylight. Protection essential.