New Delhi: The national capital saw the highest single-day rainfall in September in at least 12 years, with weather stations recording 112.1 mm rainfall in 24 hours ending at 8:30 am on Wednesday, India Today reported.Overall, the country received 24% less rainfall than normal in August, belying the India Meteorological Department’s (IMD) predictions for the month, but rainfall is expected to be above normal in September.Meanwhile, the IMD has issued an orange alert as heavy rains lashed parts of the national capital.“Thunderstorms with moderate to heavy intensity rain would occur over and adjoining areas of isolated places of Delhi, NCR- Gurugram, Manesar, Faridabad, Ballabhgarh, Tosham, Bhiwani, Jhajjar, Narnaul, Mahendargarh, Kosali during next 2 hours,” IMD said in tweet.01/09/2021: 12:40 IST; Thunderstorm with moderate to heavy intensity rain would occur over and adjoining areas of most places of Delhi (Lodi road, IGI airport ), NCR ( Gurugram, Manesar, Faridabad, Noida, Greater Noida, Indirapuram, Loni Dehat, Hindon AF, Ghaziabad ) Tosham,— India Meteorological Department (@Indiametdept) September 1, 2021Several parts of Delhi have reported waterlogging issues due to heavy rains since morning.Traffic AlertWater logging observed at following locations:-1. Near Lajpat Nagar Metro Station Lala Lajpat Rai Marg Moolchand Bus stand 2. Aurvindo Marg near AIIMS flyover3. Near Jungpura metro 4. From AIIMS to Moolchand, Ring Road near Moolchand red light— Delhi Traffic Police (@dtptraffic) September 1, 2021According to news reports, citing IMD statistics, the national capital recorded 144.7 mm of rainfall till August 30 – which is around 31% below the normal of 209.4 mm for the month.IMD director general Mrutunjay Mohapatra on Wednesday said above normal rainfall to normal rainfall is likely over many parts of central India in September, on Wednesday.The monsoon deficit now stands at 9% and this is expected to come down due to good rainfall during September, he said.July too had recorded 7% less rainfall.The country received 24% less rainfall than normal in August, but rainfall is expected to be above normal in September, the IMD said in its forecast for the month.Mohapatra also said that normal to below rainfall is expected over north and northeast India and southern parts of south India.(With inputs from PTI)