Negombo weather in September (Gampaha District, Sri Lanka)
What kind of weather does September bring to Negombo? Find out what kind of weather to expect during this month.
Temperatures
The month of September in Negombo typically includes high temperatures and heavy rainfall. During the daylight hours, temperatures often reach 30°C. After dark they usually decrease to around 26°C. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.
Precipitation
Negombo in September falls under the rainy season with heavy rainfall, averaging around 245 mm for the month. The climate data from previous years indicates that there are typically about 12 days days of rain.Average sunshine
With about 189 hours of sunshine, the area enjoys a nice balance of sun and clouds, creating a pleasant environment.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Negombo. January, February and March typically offer the best circumstances. While May, June, July, September, October and November tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Negombo climate page with graphs.
Negombo, monthly averages in September
Min Temperature
26°C
Max Temperature
30°C
Chance of Rain
39%
Precipitation
245 mm
Rainy days
12 days
Humidity
76% *
Sunshine
189 hours *
Percentage Sunshine
*
Where to go in Sri Lanka in September
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in this month?
It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Interested in more climate information?
This site provides you with all the information you need about the climate in Negombo.
Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
