Weather in Colombo in September
It's a rainy period, but great for indoor activities, museums, and lower prices.
Climate Overview
September is a wet time to visit Colombo. Colombo has a Tropical climate with average yearly highs of 28°C, lows of 25°C, and approximately 30 rainy days per month.
28°C
25°C
30days
12.2h
Is September a good time to visit Colombo?
It's a rainy period, but great for indoor activities, museums, and lower prices.
Daylight
6:02 AM
6:12 PM
Weather by Month
| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 31°C | 23°C | 8 | Excellent (best) |
| February | 32°C | 24°C | 8 | Excellent (best) |
| March | 32°C | 25°C | 11 | Excellent (best) |
| April | 31°C | 25°C | 25 | Wet |
| May | 30°C | 26°C | 31 | Wet |
| June | 29°C | 26°C | 27 | Wet |
| July | 29°C | 25°C | 30 | Wet |
| August | 29°C | 25°C | 26 | Wet |
| September | 28°C | 25°C | 30 | Wet |
| October | 29°C | 25°C | 28 | Wet |
| November | 29°C | 24°C | 21 | Wet |
| December | 29°C | 23°C | 21 | Excellent (best) |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
What to Pack for September
Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Planning a trip to Colombo?
Common Questions
Is September a good time to visit Colombo? +
September is typically Wet for visiting Colombo, with average highs of 28°C and around 30 rainy days.
What should I pack for Colombo in September? +
With highs of 28°C and lows of 25°C in {month}, we recommend: Humidity-wicking clothes, insect repellent, waterproof bag, and rain poncho.
Does it rain a lot in Colombo in September? +
Colombo typically sees around 30 rainy days in September.
How many hours of daylight are there in Colombo in September? +
In September, Colombo gets approximately 12.2 hours of daylight per day.
Is September peak season in Colombo? +
No, September is not peak season in Colombo. Expect better value on accommodation and fewer tourists.
What is the best month to visit Colombo? +
The best months to visit Colombo are December, January, February, March, when the weather is optimal for sightseeing.
More Colombo Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Colombo: top things to do, itineraries, and typical costs.