On Tuesday, 24 September, mostly partly cloudy, no precipitation are expected in Kotka. The lowest air temperature will be +11°C at 6 am, the highest temperature will be +19°C around 3 pm. The atmospheric pressure will be within 755-759 mm Hg. The relative humidity 65-89%. The wind will be mainly southerly 4 m/s with maximum gusts up to 11 m/s. Ultraviolet index 3, sun protection is required

On Wednesday, 25 September, mostly cloudy weather, light rain are expected in Kotka. The lowest air temperature will be +14°C at 3 am, the highest temperature will be +18°C around 3 pm. The atmospheric pressure will be within 752-754 mm Hg. The relative humidity 72-87%. The wind will be mainly southerly 5 m/s with maximum gusts up to 12 m/s. Ultraviolet index 2, no sun protection is required

On Thursday, 26 September, mostly cloudy weather, light rain are expected in Kotka. The lowest air temperature will be +13°C at 6 am, the highest temperature will be +18°C at noon. The atmospheric pressure will be within 746-753 mm Hg. The relative humidity 65-92%. The wind will be mainly southerly 6 m/s with maximum gusts up to 13 m/s. Ultraviolet index 3, sun protection is required

On Friday, 27 September, mostly cloudy weather, rain are expected in Kotka. The lowest air temperature will be +14°C at 9 pm, the highest temperature will be +17°C around 3 pm. The atmospheric pressure will be within 742-746 mm Hg. The relative humidity 73-90%. The wind will be mainly southeasterly 3 m/s with maximum gusts up to 16 m/s. Ultraviolet index 1, no sun protection is required

On Saturday, 28 September, mostly cloudy weather, light rain are expected in Kotka. The lowest air temperature will be +10°C at 9 pm, the highest temperature will be +13°C around 3 pm. The atmospheric pressure will be within 744-755 mm Hg. The relative humidity 72-85%. The wind will be mainly southwesterly 8 m/s with maximum gusts up to 15 m/s. Ultraviolet index 2, no sun protection is required

On Sunday, 29 September, mostly partly cloudy, light rain are expected in Kotka. The lowest air temperature will be +7°C at 9 pm, the highest temperature will be +11°C at noon. The atmospheric pressure will be within 755-765 mm Hg. The relative humidity 68-92%. The wind will be mainly northwesterly 10 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required

On Monday, 30 September, mostly partly cloudy weather, no precipitation are expected in Kotka. The lowest air temperature will be +5°C at 6 am, the highest temperature will be +12°C around 3 pm. The atmospheric pressure will be within 767-771 mm Hg. The relative humidity 55-91%. The wind will be mainly southwesterly 5 m/s with maximum gusts up to 9 m/s. Ultraviolet index 3, sun protection is required

On Tuesday, 1 October, mostly semi-transparent clouds, no precipitation are expected in Kotka. The lowest air temperature will be +6°C at 6 am, the highest temperature will be +13°C around 3 pm. The atmospheric pressure will be within 762-770 mm Hg. The relative humidity 64-90%. The wind will be mainly southeasterly 6 m/s with maximum gusts up to 13 m/s. Ultraviolet index 2, no sun protection is required

On Wednesday, 2 October, mostly partly cloudy weather, no precipitation are expected in Kotka. The lowest air temperature will be +6°C at 6 am, the highest temperature will be +12°C around 3 pm. The atmospheric pressure will be within 756-761 mm Hg. The relative humidity 72-87%. The wind will be mainly southeasterly 4 m/s with maximum gusts up to 8 m/s. Ultraviolet index 3, sun protection is required