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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Galle's climate page.

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  

Historical weather 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.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Galle historical weather extremes in September

Our historical data for Galle spans 2004 to 2025, 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.

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.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Galle's climate page.

More climate data for Galle

Temperature Rainfall Sunshine

See the full Galle climate overview or explore weather in Sri Lanka.