worldweatherSri Lanka weather in September - temperature, rain and is it a good time to visit?
Daytime
31°
Night
26°
☀️ Day length
12 h 10 min
Chance of rain
46%
Thunder days
14%
Humid days
100%
In September, Sri Lanka averages about 31° during the day and 26° at night. There's a moderate chance of rain (about 46%).
Sri Lanka weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January ★ | 31℃ | 23℃ | 21% |
| February ★ | 31℃ | 24℃ | 23% |
| March | 32℃ | 25℃ | 23% |
| April | 33℃ | 25℃ | 32% |
| May | 32℃ | 26℃ | 51% |
| June | 32℃ | 26℃ | 41% |
| July | 32℃ | 26℃ | 25% |
| August | 31℃ | 26℃ | 30% |
| September | 31℃ | 26℃ | 46% |
| October | 31℃ | 25℃ | 57% |
| November | 30℃ | 24℃ | 53% |
| December ★ | 30℃ | 24℃ | 41% |
★ - months most often recommended for travel
Where is it warmest in Sri Lanka in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| Batticaloa | 33℃ | 26℃ | 30℃ | 10% |
| Colombo | 31℃ | 26℃ | 29℃ | 56% |
| Srijayewardenepurakotte | 31℃ | 26℃ | 29℃ | 60% |
| Negombo | 31℃ | 26℃ | 29℃ | 56% |
| Kandy | 30℃ | 25℃ | - | 48% |
Travelling soon? Check the live 14-day weather forecast for Sri Lanka.