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New Delhi: Monsoon, which lasts for four months in the country, is now slowly moving towards withdrawal, but before its departure, another round of rain may be seen in many states. The south-west monsoon, which entered India from Andaman and Nicobar on June 4, has started weakening after about 100 days. According to the Meteorological Department, it is likely to start withdrawing from Western Rajasthan between 15th and 17th September. After this, the weather will start becoming dry in many parts of Delhi, Punjab, Haryana, Chandigarh and Uttar Pradesh.

The sky may remain cloudy in Delhi for the next four days. There may be light rain with thunder and lightning at some places, but now there is less possibility of heavy or continuous rain. There may be sporadic rain in Delhi, Punjab, Haryana and Chandigarh on 16 and 17 September. Dry north-westerly winds may become active in these areas around 20 to 25 September. Monsoon may return to areas of western Uttar Pradesh like Noida and Ghaziabad between September 22 and 27. However, rains are expected to continue in eastern Uttar Pradesh till the last days of the month.

Rain in UP and hilly states also

It may rain at some places in Himachal Pradesh between 14th to 20th September and in Uttarakhand between 15th to 20th September. There are indications of rain in Delhi, Punjab, Haryana and Chandigarh on September 15 and again between September 18 and 20. Rain is expected in Western Uttar Pradesh and Western Rajasthan between September 15 and 18.

Bay of Bengal system will increase rain

The low pressure area formed in the Bay of Bengal can keep rain active in many states of eastern and central India. At the same time, rain may continue in West Bengal, Bihar, Jharkhand, Madhya Pradesh, Chhattisgarh and some parts of South India in the second fortnight of September.

There may be rain around Bikaner and Jodhpur in western Rajasthan on 15-16 September. The weather is expected to be active in Uttarakhand on 15th and 16th September. There is a possibility of thunderstorm, lightning and rain in eastern Rajasthan from 15 to 17 September. Western Madhya Pradesh and Chhattisgarh may receive light rain from September 15 to 20, while Eastern Madhya Pradesh and Vidarbha may receive light rain from September 16 to 20.

When is the departure of monsoon considered?

Assessment of withdrawal of monsoon starts after September 1. Complete stoppage of rain in an area for about five days, change in wind pattern and decrease in moisture in the atmosphere are considered to be the main signs of departure of monsoon. Monsoon is expected to depart from Jodhpur, Phalodi, Barmer, Balotra, Jaisalmer, Jalore, Sirohi, Pali, Bikaner, Churu, Sriganganagar and Hanumangarh of Western Rajasthan between September 15 and 18. However, before this there may be good rain in these areas.

When will monsoon return to Gujarat and Madhya Pradesh?

Monsoon is likely to retreat from North Gujarat and North Madhya Pradesh between September 25 and 30. Even after this, light rain may continue in Southern Gujarat and Southern Madhya Pradesh. Monsoon is expected to remain active in Bihar, Jharkhand, Maharashtra, Odisha and Karnataka till the first week of October.

Where will it rain in the remaining days of September

Not much rain is expected in Delhi, Punjab, Haryana, Chandigarh, Western Uttar Pradesh and Rajasthan between 15 and 30 September. On the other hand, there may be heavy to very heavy rain in Odisha, West Bengal, Jharkhand and Bihar. Monsoon may also remain active in Madhya Pradesh, Chhattisgarh, Vidarbha, Konkan and Goa. Rainfall is expected to increase again in coastal Karnataka and Kerala in the last part of the month.

New era in these states including Bihar-Jharkhand

Low pressure in the Bay of Bengal will affect the weather in eastern India. A new round of rain may occur in West Bengal, Bihar-Jharkhand, Madhya Pradesh, Chhattisgarh and southern parts between 15th to 20th September and again from 22nd to 25th September. There is a possibility of heavy rain with thunder in Odisha, West Bengal, Jharkhand and Bihar. Kharif crops can benefit from this, but there will also be a risk of waterlogging in low-lying areas.

Effect of El Nino on monsoon

When the surface temperature of the Pacific Ocean increases, an El Nino condition is created, which can have an impact on the Indian monsoon. According to meteorologists, this year due to neutral El Nino conditions and warm sea water of the Bay of Bengal, more weather systems are forming in September. Therefore, despite the withdrawal of monsoon, there are indications that rains will continue in many parts.