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Weather update: Forecast for southern cities on 21 September

Rain and thunderstorms are expected across several southern cities on Monday, with cloudy conditions and spells of rain.

Published Sep 21, 2026 | 8:00 AMUpdated Sep 21, 2026 | 8:00 AM

The India Meteorological Department has issued a cautionary alert for Telangana, predicting likely thunderstorm activity accompanied by lightning and gusty winds to persist for the next four days.
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Planning your day in the South Indian cities of Amaravati, Bengaluru, Chennai, Hyderabad, or Thiruvananthapuram? Here’s what the weather has in store.

Rain and thunderstorms are expected across several southern cities on Monday, with cloudy conditions and spells of rain forecast in most places, according to the India Meteorological Department‘s forecast issued on Sunday, 20 September, at 10 pm.

Amaravati: Possible thunderstorms

Amaravati is expected to experience generally cloudy skies with one or two spells of rain or thundershowers. Thunderstorms accompanied by lightning and strong surface winds are also forecast.

The temperature is expected to range between a low of 25°C and a high of 33°C.

A warning has been issued for thunderstorms accompanied by lightning and strong surface winds.

Bengaluru: Rain and thunderstorms

Bengaluru is expected to experience generally cloudy skies with one or two spells of rain or thundershowers. Thunderstorms accompanied by lightning are also forecast.

The temperature is expected to range between a low of 21°C and a high of 30°C.

A warning has been issued for thunderstorms accompanied by lightning.

Chennai: Evening or night rain

Chennai is expected to receive rain or thundershowers towards the evening or night. Thunderstorms accompanied by lightning are also forecast.

The temperature is expected to range between a low of 25°C and a high of 35°C.

A warning has been issued for thunderstorms accompanied by lightning.

Hyderabad: Moderate rain

Hyderabad is expected to experience generally cloudy skies with moderate rain.

The temperature is expected to range between a low of 25°C and a high of 31°C.

No warning has been issued.

Thiruvananthapuram: Potential rain spells

Thiruvananthapuram is expected to experience partly cloudy skies with one or two spells of rain or thundershowers. Thunderstorms accompanied by lightning are also forecast.

The temperature is expected to range between a low of 25°C and a high of 32°C.

A warning has been issued for thunderstorms accompanied by lightning.

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