On Monday, 23 September, mostly partly cloudy, no precipitation are expected in Grójec. The lowest air temperature will be +9°C at 5 am, the highest temperature will be +24°C around 2 pm. The atmospheric pressure will be within 746-749 mm Hg. The relative humidity 36-91%. The wind will be mainly southerly 3 m/s with maximum gusts up to 4 m/s. Ultraviolet index 4, sun protection is required

On Tuesday, 24 September, mostly cloudy weather, light rain are expected in Grójec. The lowest air temperature will be +11°C at 5 am, the highest temperature will be +24°C around 2 pm. The atmospheric pressure will be within 745-746 mm Hg. The relative humidity 38-78%. The wind will be mainly southerly 5 m/s with maximum gusts up to 8 m/s. Ultraviolet index 3, sun protection is required

On Wednesday, 25 September, mostly partly cloudy, no precipitation are expected in Grójec. The lowest air temperature will be +13°C at 11 pm, the highest temperature will be +19°C around 5 pm. The atmospheric pressure will be within 742-745 mm Hg. The relative humidity 63-93%. The wind will be mainly southerly 4 m/s with maximum gusts up to 9 m/s. Ultraviolet index 4, sun protection is required

On Thursday, 26 September, mostly cloudy weather, rain are expected in Grójec. The lowest air temperature will be +13°C at 2 am, the highest temperature will be +20°C around 2 pm. The atmospheric pressure will be within 737-741 mm Hg. The relative humidity 55-87%. The wind will be mainly southerly 6 m/s with maximum gusts up to 14 m/s. Ultraviolet index 2, no sun protection is required

On Friday, 27 September, mostly cloudy weather, light rain are expected in Grójec. The lowest air temperature will be +9°C at 11 pm, the highest temperature will be +16°C around 2 pm. The atmospheric pressure will be within 737-747 mm Hg. The relative humidity 64-96%. The wind will be mainly westerly 7 m/s with maximum gusts up to 11 m/s. Ultraviolet index 3, sun protection is required

On Saturday, 28 September, mostly partly cloudy weather, no precipitation are expected in Grójec. The lowest air temperature will be +7°C at 8 am, the highest temperature will be +15°C around 2 pm. The atmospheric pressure will be within 747-755 mm Hg. The relative humidity 46-86%. The wind will be mainly westerly 6 m/s with maximum gusts up to 9 m/s. Ultraviolet index 4, sun protection is required

On Sunday, 29 September, mostly clear weather, no precipitation are expected in Grójec. The lowest air temperature will be +4°C at 5 am, the highest temperature will be +14°C around 2 pm. The atmospheric pressure will be within 755-760 mm Hg. The relative humidity 47-88%. The wind will be mainly westerly 6 m/s with maximum gusts up to 8 m/s. Ultraviolet index 4, sun protection is required

On Monday, 30 September, mostly clear weather, no precipitation are expected in Grójec. The lowest air temperature will be +2°C at 5 am, the highest temperature will be +16°C around 2 pm. The atmospheric pressure will be within 759-761 mm Hg. The relative humidity 42-93%. The wind will be mainly southerly 3 m/s with maximum gusts up to 3 m/s. Ultraviolet index 4, sun protection is required

On Tuesday, 1 October, mostly partly cloudy weather, no precipitation are expected in Grójec. The lowest air temperature will be +6°C at 5 am, the highest temperature will be +17°C around 2 pm. The atmospheric pressure will be within 759-760 mm Hg. The relative humidity 53-78%. The wind will be mainly westerly 3 m/s with maximum gusts up to 3 m/s. Ultraviolet index 4, sun protection is required