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Galle Weather in September
September in Galle brings high temperatures, with highs of 29°C (84°F) and nights dropping to 25°C (77°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Galle in September
As part of the rainy season, Galle sees around 12 days of rain in September, with an average of 266 mm (10 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Galle in September
In September, Galle sees high temperatures, with highs of 29°C (84°F). Nights drop to around 25°C (77°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Galle in September
The area enjoys a balanced 180 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Galle. Our weather planner can help you explore destinations with more pleasant weather conditions.
Galle Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
40%
Precipitation
266 mm (10 in)
Rainy days
12 days
Sunshine
180 hours
Percentage Sunshine
Galle Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Galle - and find the best time to visit.
Historical weather records for Galle in September
Browse day-by-day weather records for Galle spanning 25 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Galle historical weather extremes in September
Our historical data for Galle spans 2004 to 2026, revealing these weather extremes.
- The hottest September day on record in Galle reached 37°C (99°F) (September 17, 2020).
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 6, 2004.
- The lowest overnight temperature recorded in September was 9°C (48°F) (September 5, 2020).
- The heaviest September precipitation occurred on September 5, 2017, when 133 mm (5.2 in) of precipitation fell.
Best Places 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. See all of Sri Lanka in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Galle in September
Warm but pleasant conditions in Galle in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Galle in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Galle 3-Day Forecast
More climate data for Galle
See the full Galle climate overview or explore weather in Sri Lanka.
Popular in September
Where to go in September - average daytime high across popular destinations.
Colombo
30°C (86°F) Galle29°C (84°F) Mirissa29°C (84°F) Hikkaduwa29°C (84°F) Negombo30°C (86°F) Kandy
29°C (84°F) Unawatuna29°C (84°F) Nuwara Eliya28°C (82°F) Bucket list
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