He added that localised flooding could cause issues with the transport network.
Tuesday’s weather warning is set to last until 11pm and although the heavy rain is expected to clear by Wednesday, a low-pressure front is expected to remain for the rest of the week.
This will bring bright and breezy weather to the UK along with some showers or prolonged spells of rain.
Temperatures could rise to the low 20s, which is slightly warmer than average for early autumn.
The norm for this time of year is in the mid-to-high teens.
Yellow weather warnings were also in place in some places during the weekend, with scattered thundery showers on Sunday afternoon.
UK weather: Warning issued as commuters facing travel disruption due to heavy rain – The Telegraph