Swimming in Sri Lanka in september 2024 Sea temperature by city in september

Do you want to go to the beach in Sri Lanka in september 2024? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in september in Sri Lanka by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Sri Lanka in september 2024

Here, find the average sea temperature in Sri Lanka in september in several coastal cities.

West Coast

Colombo

on average:

83°F

min: 80°F / max: 84°F

Kalutara

on average:

83°F

min: 81°F / max: 84°F

Negombo

on average:

82°F

min: 80°F / max: 84°F

Dehiwala-Mount Lavinia

on average:

83°F

min: 80°F / max: 84°F

Panadura

on average:

83°F

min: 81°F / max: 84°F

Southern Coast

Galle

on average:

83°F

min: 81°F / max: 85°F

Yala National Park

on average:

83°F

min: 82°F / max: 85°F

Tangalle

on average:

83°F

min: 82°F / max: 85°F

Ambalangoda

on average:

83°F

min: 81°F / max: 85°F

Bentota

on average:

83°F

min: 81°F / max: 85°F

Hambantota

on average:

83°F

min: 82°F / max: 85°F

North

Jaffna

on average:

85°F

min: 83°F / max: 86°F

Mullaitivu

on average:

85°F

min: 83°F / max: 87°F

Mannar Island

on average:

83°F

min: 81°F / max: 85°F

Kayts

on average:

85°F

min: 83°F / max: 86°F

Point Pedro

on average:

85°F

min: 83°F / max: 86°F

Poonakari

on average:

85°F

min: 83°F / max: 86°F

East Coast

Trincomalee

on average:

85°F

min: 83°F / max: 86°F

Batticaloa

on average:

84°F

min: 83°F / max: 85°F

Pottuvil

on average:

84°F

min: 83°F / max: 85°F

Akkaraipattu

on average:

84°F

min: 83°F / max: 85°F

Arisimale Beach

on average:

85°F

min: 83°F / max: 86°F

Arugam Bay

on average:

84°F

min: 83°F / max: 86°F

North West

Chilaw

on average:

82°F

min: 80°F / max: 85°F

Puttalam

on average:

82°F

min: 80°F / max: 85°F

Kalpitiya

on average:

82°F

min: 80°F / max: 84°F

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Sea temperature in august in Sri Lanka

Sea temperature in october in Sri Lanka

Where should you go swimming in Sri Lanka in the month of september?

Swimming in Sri Lanka in september is ideal

In september in Sri Lanka swimming conditions are generally the same everywhere.

In september in Colombo, Galle, Jaffna, Trincomalee, Batticaloa, Chilaw, Kalutara, Mullaitivu, Negombo, Yala National Park, Pottuvil, Puttalam, Tangalle, Akkaraipattu, Ambalangoda, Arisimale Beach, Arugam Bay, Bentota, Hambantota, Hikkaduwa, Mannar Island, Kalkudah, Kallady Beach, Kallara beach (Thiriyai), Kalmunai, Kayts, Matara, Mirissa, Navalady, Okanda, Point Pedro, Poonakari, Thalayadi, Unakuruwa Beach, Uppuveli, Vakarai, Dehiwala-Mount Lavinia, Kalpitiya, Panadura and Weligama, swimming conditions are perfect! With water reaching a maximum of 84°F and an average of 83°F, going in the water (and staying there!) feels great.

Where to go swimming in Sri Lanka in september: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in september

Colombo

	August	September	October
Average sea temperature	81°F	83°F	84°F
Minimum sea temperature	79°F	80°F	81°F
Maximum sea temperature	84°F	84°F	86°F
Average outside temperature	85°F	85°F	85°F
Maximum outside temperature	85°F	86°F	88°F
Minimum outside temperature	83°F	83°F	83°F
Precipitation	23.9in	18.6in	17.4in
Number of days of precipitation	23 jour(s) (75%)	20 jour(s) (67%)	20 jour(s) (63%)
Cloud cover	56%	56%	49%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Colombo in september

Galle

	August	September	October
Average sea temperature	82°F	83°F	84°F
Minimum sea temperature	80°F	81°F	82°F
Maximum sea temperature	84°F	85°F	86°F
Average outside temperature	83°F	83°F	83°F
Maximum outside temperature	85°F	85°F	86°F
Minimum outside temperature	81°F	81°F	81°F
Precipitation	20in	19.4in	15.6in
Number of days of precipitation	21 jour(s) (68%)	20 jour(s) (67%)	19 jour(s) (63%)
Cloud cover	49%	51%	46%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Galle in september

Jaffna

	August	September	October
Average sea temperature	84°F	85°F	85°F
Minimum sea temperature	82°F	83°F	84°F
Maximum sea temperature	87°F	86°F	87°F
Average outside temperature	85°F	85°F	85°F
Maximum outside temperature	85°F	85°F	86°F
Minimum outside temperature	83°F	83°F	83°F
Precipitation	4in	6.3in	15in
Number of days of precipitation	5 jour(s) (17%)	9 jour(s) (28%)	17 jour(s) (54%)
Cloud cover	32%	32%	33%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Jaffna in september

Trincomalee

	August	September	October
Average sea temperature	85°F	85°F	85°F
Minimum sea temperature	83°F	83°F	84°F
Maximum sea temperature	86°F	86°F	86°F
Average outside temperature	88°F	88°F	86°F
Maximum outside temperature	94°F	94°F	92°F
Minimum outside temperature	83°F	83°F	81°F
Precipitation	3.3in	4.8in	12in
Number of days of precipitation	5 jour(s) (16%)	6 jour(s) (21%)	15 jour(s) (50%)
Cloud cover	29%	31%	34%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Trincomalee in september

Batticaloa

	August	September	October
Average sea temperature	84°F	84°F	85°F
Minimum sea temperature	82°F	83°F	83°F
Maximum sea temperature	85°F	85°F	86°F
Average outside temperature	88°F	88°F	86°F
Maximum outside temperature	92°F	92°F	88°F
Minimum outside temperature	85°F	85°F	83°F
Precipitation	5.1in	6.9in	12.9in
Number of days of precipitation	9 jour(s) (29%)	11 jour(s) (38%)	17 jour(s) (56%)
Cloud cover	27%	28%	31%
Our opinion	ideal swimming	ideal swimming	ideal swimming

More information on swimming in Batticaloa in september

List of coastal cities in Sri Lanka

Colombo in september	ideal swimming
Galle in september	ideal swimming
Jaffna in september	ideal swimming
Trincomalee in september	ideal swimming
Batticaloa in september	ideal swimming
Chilaw in september	ideal swimming
Kalutara in september	ideal swimming
Mullaitivu in september	ideal swimming
Negombo in september	ideal swimming
Yala National Park in september	ideal swimming
Pottuvil in september	ideal swimming
Puttalam in september	ideal swimming
Tangalle in september	ideal swimming
Akkaraipattu in september	ideal swimming
Ambalangoda in september	ideal swimming
Arisimale Beach in september	ideal swimming
Arugam Bay in september	ideal swimming
Bentota in september	ideal swimming
Hambantota in september	ideal swimming
Hikkaduwa in september	ideal swimming
Mannar Island in september	ideal swimming
Kalkudah in september	ideal swimming
Kallady Beach in september	ideal swimming
Kallara beach (Thiriyai) in september	ideal swimming
Kalmunai in september	ideal swimming
Kayts in september	ideal swimming
Matara in september	ideal swimming
Mirissa in september	ideal swimming
Navalady in september	ideal swimming
Okanda in september	ideal swimming
Point Pedro in september	ideal swimming
Poonakari in september	ideal swimming
Thalayadi in september	ideal swimming
Unakuruwa Beach in september	ideal swimming
Uppuveli in september	ideal swimming
Vakarai in september	ideal swimming
Dehiwala-Mount Lavinia in september	ideal swimming
Kalpitiya in september	ideal swimming
Panadura in september	ideal swimming
Weligama in september	ideal swimming