In October the weather in Larnaca is sunny and moderate. It is not as hot as in the summer months but the temperature is still high and you can swim and enjoy the beach. Actually, many visitors find October weather very nice, because they can enjoy the sun without the heat, humidity and the sweat of summer.
Average weather in October
Generally: Sunny but not hot. The perfect weather!
Day Temperature: 25-35 °C
Sun: 26 sunny days.
Rain: 2-3 rainy days. Rains for a few hours.
Clouds: 2-3 cloudy days.
Swimming: Water temperature 22-26 °C
Sunset: The sun sets at 18:30
During the day the temperature is 25-35 °C and it drops to 15-25 at night. The chance of rain is less that 5%. The sun sets at 18:30.
What clothes to wear in October
You will mostly use your summer clothes. At day time you will probably wear shorts, t-shirt, swimming suit etc. You should also have a sweater and a pair of pants for the night or in case the weather turns a bit cooler than normal. Sunglasses and sunblock is necessary for the beach. Below are a few photos I have taken during October so that you can get a better idea of the weather and what most people wear.
Sleeping at night
For sleeping you do not need to use the A/C or have the windows open. The room temperature is comfortable and a piece of sheet is enough. Mosquitoes will not bother you in October.
Going to the beach
The sea water temperature at Larnaca is 24-26 °C in October, which can be a bit cold for locals but Europeans and Russian tourists usually find it fine.
Activities in October
Summer activities on the beach are also good in September. Sun is still hot and water is warm so you can keep sunbathing and swimming. Water parks will not close till October. It is better to plan your excursions around the island for early morning or late afternoon to avoid the sun at its peak. Wine Festival that has started in the end of August continues in September so do not miss the chance to spend great time outdoor trying different local wines and traditional Cypriot food and watching dance and theater performances.