See https://en.wikipedia.org/wiki/Hurricane_Maria and https://en.wikipedia.org/wiki/Hurricane_Irma for more details. Basically
Track of Hurricane Irma
Track of Hurricane Maria
Basically 2095 were reported killed in Puerto Rica as a result hurricane Maria, It made landfall in Puerto Rica September 22nd 2017. It affected several islands in the Carribean.
...
The impact here is less clear:
Bermudas
PingER monitored 3 target hosts in Bermudas during this time (August-0October 2017). Bermuda is not mentioned in the Wikipedia articles on hurricanes Irma and Maria. However, there do appear to be outages at this time.
Other countries
We could see no obvious impact for nsi.ampath.net(25.7581 -80.3762 at Florida International University, Miami, Florida, United States)
Target hosts
Using HostSearcher.pl I cannot find ping targets in: Dominica, Turks and Caicos, Antigua and Barbuda