Galle Weather in September

Sri Lanka · September climate averages and travel tips

Avg high28°C (82°F)
Avg low27°C (80°F)
Rainfall202 mm (8.0 in)
RatingPoor 3.4/10

Galle in September sees daytime temperatures around 28°C (82°F), dropping to about 27°C (80°F) at night. The month is wet, with about 202 mm (8.0 in) of rain spread over 24 days. Humidity averages 84%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12 hours of daylight and frequently cloudy skies.

Is September a good time to visit Galle?

September is not the best time to visit Galle (3.4/10) mainly because of the rain. The weather is much better in January and February.

Visiting Galle in September

September's wet rhythm

September feels warm, sticky and often grey in Galle. Rain falls on many days, and cloud can hide the sun for much of your visit. Showers may interrupt a walk, so leave room in your day to pause under cover.

The sea is often rough during the southwest monsoon. Don't count on long swims or calm beach time around Unawatuna. Galle Fort's lanes, museums and cafés make better rainy-day plans.

A slower sightseeing day

You can still explore the Fort, but wet stone ramparts and slick lanes need care. Take your time around the lighthouse and Flag Rock, especially after a downpour. The cloud and showers also make September a poor choice if you want bright, clear views all day.

If you hate crowds, September is a quieter time to wander the Fort than January or February, Galle's best months overall. You may also find lower room rates than in those peak months, though deals vary.

Local plans and practical tips

There's no major annual Galle festival that reliably falls in September. The full-moon Poya day is a Buddhist public holiday, but its date changes each year. Some shops may close, and temples can be busier with worshippers.

Travelling with kids? Keep a rainy-day plan close. The National Maritime Museum inside Galle Fort is a useful stop when showers set in. For a practical local tip, ask your guesthouse about the safest way down to Flag Rock after rain; the ramparts can be slippery, and the sea below is not a good place for a dip in rough weather.

September weather at a glance

Average high28°C (82°F)
Average low27°C (80°F)
Daily mean27°C (81°F)
Rainfall202 mm (8.0 in)
Rainy days (1 mm+)24
Humidity84%
Cloud cover82%
Daylight12 hours
Est. sunshine2.4 hours/day
Wind19 km/h
vs AugustAbout as warm as August, with 46 mm more rain.

What to pack for Galle in September

Galle weather in other months

Jan28°C / 25°C121 mmFairFeb28°C / 26°C100 mmGoodMar29°C / 27°C144 mmFairApr29°C / 28°C230 mmPoorMay29°C / 28°C264 mmPoorJun28°C / 27°C156 mmPoorJul28°C / 27°C127 mmPoorAug28°C / 27°C156 mmPoorSep28°C / 27°C202 mmPoorOct28°C / 27°C310 mmPoorNov28°C / 26°C362 mmPoorDec28°C / 26°C225 mmPoor

← AugustBest time to visit GalleOctober →

Better weather in September nearby

Nearby in September

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