Hamilton’s heat warning extended with unusual temperatures for early September

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Published September 5, 2023 at 11:33 am

Hamilton’s heat warning has been extended beginning today (Sept. 5), with a potential humidex near 40 and daytime highs that could hit 34 C, which is unusual for early September.

A hot and humid air mass is expected through Wednesday, according to Dr. Elizabeth Richardson, the City’s medical officer of health. Daytime highs are expected to be 29 to 34 C with humidex values near 40. Hamiltonians will experience little relief with projected overnight lows from 18 to 22 C. 

“Humidex values and daytime highs will be very atypical of early September,” according to the City’s press release. 

A cold front is expected to end the heat wave Thursday.

The City of Hamilton and some community agencies are offering “cool places” to go during the heat wave. These locations have a “Cool Down Here” sign at the entrance.

The City is also making regularly scheduled open swims at all municipal indoor pools free of charge. All municipal outdoor pools have closed for the season.

People are advised to seek help right away if they are experiencing heat exhaustion symptoms, such as by calling 911. Signs include heavy sweating, weakness, cold, pale and clammy skin, a weak pulse, fainting and vomiting.

To reduce the risk of heat-related illness, the City suggests people drink plenty of water, and avoid drinking alcoholic and caffeinated beverages. Visit an air-conditioned place, or a designated cool place listed on www.hamilton.ca/heat.

Wear lightweight, loose-fitting, light coloured clothing. A hat or umbrella may help. Limit physical activities during the day. Take a cool bath or shower.

Close your blinds or curtains. Open windows to let air circulate when using a fan.

Never leave children or pets alone in closed vehicles, which can become life-threatening within minutes.

Check on your neighbours and family.

Landlords are encouraged to connect with tenants to determine if units have adequate cooling, and provide tenants with onsite access to a cool space, such as a common room with air conditioning.

For tips on coping with the heat and places to cool off, visit www.hamilton.ca/heat or call 905-546-2489.

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