Start of the wetter season · Weather & things to do
Galle in September
Little changes in Galle from August: highs stay near 82°F (28°C), lows near 80°F (27°C), and about 7.4 in (189 mm) of rain falls.
Our comfort score puts it mid-table at 51/100, 8th of 12.
- Avg high
- 82°F (28°C)
- Avg low
- 80°F (27°C)
- Rain
- 7.4 in (189 mm)
- Humidity
- 84%
- Cloud cover
- 81%
- Daylight
- ~12 h 02 min
- Comfort score
- 51/100 · Fair
What September feels like
Highs settle around 82°F (28°C), warm enough for short sleeves.
Nights stay warm too, with lows averaging 80°F (27°C).
Humidity averages 84%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 7.4 in (189 mm) falls in the month.
Expect plenty of overcast days, with cloud cover near 81%.
It's breezy, with average winds near 12 mph (5.3 m/s) at ground level.
Plan around September
September sits mid-table; the best months are January & February.
- Comfort slips from 56/100 in August to 51/100.
- Our Sri Lanka: Rock Forts to the South Coast route recommends Dec – Apr, so September falls outside its suggested window.
What to pack for September
- Light, breathable clothes82°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics84% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Windproof shellaverage wind 12 mph
- Comfortable walking shoesmost picks involve some walking
What to do in Galle in September
Weather can go either way, so the picks below mix open-air spots with indoor backups.
Jungle Beach
Small cove reached through forest near Unawatuna, with clear water.
Why now Highs near 82°F keep it comfortable outside.
Japanese Peace Pagoda
White stupa on Rumassala hill with sea views back to Galle.
Why now Mild enough in September to enjoy at an easy pace.
National Maritime Museum Galle
Museum in a Dutch warehouse covering shipwrecks and seafaring along Sri Lanka's coast.
Amangalla verandah
Afternoon tea and drinks on the verandah of the former New Oriental Hotel from 1684.
Pedlar's Inn Cafe
Café in a colonial house on Pedlar Street serving breakfasts, juices and coffee.
Nearby in September
- Ella in September~81 mi · highs 81°F, 4.4 in rain · similar daytime temperatures, drier
- Kandy in September~91 mi · highs 83°F, 4.0 in rain · similar daytime temperatures, drier
- Sigiriya & Dambulla in September~138 mi · highs 87°F, 3.4 in rain · 3°C (5°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Galle in September: quick answers
Is September a good time to visit Galle?
It's middling, scoring 51/100. The best months are January & February, at up to 72. Expect highs of 82°F (28°C) and 7.4 in (189 mm) of rain. Our Sri Lanka: Rock Forts to the South Coast route recommends Dec – Apr, so September is outside its suggested window.
How hot is Galle in September?
Average highs are 82°F (28°C) and average lows 80°F (27°C), making it the 4th-coldest month by daytime highs.
Does it rain a lot in Galle in September?
Yes: about 7.4 in (189 mm) of rain falls across September on average, the 6th-wettest month of the year. The annual total is about 85.6 in (2174 mm).
What should I pack for Galle in September?
Bring light, breathable clothes (82°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (84% average humidity), rain jacket and waterproof shoes (frequent rain) and windproof shell (average wind 12 mph).
Planning Galle in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.