Gampaha weather in September (Gampaha District, Sri Lanka)
What kind of weather does September bring to Gampaha? See what weather conditions to anticipate this month with our guide.
Temperatures
Typically, September in Gampaha includes very high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 31°C. But by evening, they drop to around 25°C. Remember, these are typical temperatures, and certain days could be even hotter. Ensure you wear appropriate clothing to handle the warmth.
Precipitation
Gampaha in September falls under the rainy season with heavy rainfall, averaging around 263 mm for the month. Looking at the last 30 years, the data shows about 13 days with rain.Average sunshine
The month brings about 189 hours of sunlight, offering a comfortable mix of sun and shade.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Gampaha. January generally stands out with the best circumstances. While April, May, June, July, August, September, October and November tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Gampaha climate page with graphs.
Gampaha, monthly averages in September
Min Temperature
25°C
Max Temperature
31°C
Chance of Rain
44%
Precipitation
263 mm
Rainy days
13 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 Gampaha.
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.
