Colombo Weather in September
Sri Lanka · September climate averages and travel tips
Avg high29°C (83°F)
Avg low25°C (78°F)
Rainfall175 mm (6.9 in)
RatingPoor 3.3/10
Expect hot days in Colombo in September: the average high is 29°C (83°F) and the average low is 25°C (78°F). The month is wet, with about 175 mm (6.9 in) of rain spread over 23 days. Humidity averages 86%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12 hours of daylight and frequently cloudy skies.
Is September a good time to visit Colombo?
September is not the best time to visit Colombo (3.3/10) mainly because of the rain. The weather is much better in January and February.
September weather at a glance
| Average high | 29°C (83°F) |
|---|---|
| Average low | 25°C (78°F) |
| Daily mean | 27°C (80°F) |
| Rainfall | 175 mm (6.9 in) |
| Rainy days (1 mm+) | 23 |
| Humidity | 86% |
| Cloud cover | 74% |
| Daylight | 12 hours |
| Est. sunshine | 3.4 hours/day |
| Wind | 14.7 km/h |
| vs August | About as warm as August, with 41 mm more rain. |
What to pack for Colombo in September
- light, breathable clothing
- sunscreen and a hat
- an umbrella or rain jacket
Colombo weather in other months
Jan29°C / 23°C92 mmFairFeb30°C / 23°C76 mmGoodMar31°C / 25°C127 mmPoorApr30°C / 26°C241 mmPoorMay30°C / 26°C253 mmPoorJun29°C / 26°C155 mmPoorJul28°C / 25°C110 mmPoorAug28°C / 25°C134 mmPoorSep29°C / 25°C175 mmPoorOct29°C / 25°C323 mmPoorNov29°C / 25°C339 mmPoorDec29°C / 24°C195 mmPoor
← AugustBest time to visit ColomboOctober →
Better weather in September nearby
- Istanbul26°C · 51 mm · Excellent
- Tianjin28°C · 59 mm · Excellent
- Shenyang25°C · 58 mm · Excellent
- Wuzhong26°C · 39 mm · Excellent
- Zibo28°C · 58 mm · Excellent
- UEruemqi25°C · 21 mm · Excellent
Nearby in September
- Kandy29°C · 107 mm
- Galle28°C · 202 mm
- Tirunelveli31°C · 114 mm
- Madurai34°C · 104 mm
- Teni30°C · 124 mm
- Tiruchirappalli34°C · 98 mm
Where else is good in September? See where to go in September.