Excessive heat conditions have not stopped in the month of September. Heat indices reached 108F or more almost each day. These observations are widespread along the Mesonet, covering most of the urban and coastal areas. The only zones that did not experience heat indices above 108F are the central interior and western interior due to elevation.

Excessive Heat in SAN JUAN AND VICINITY, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in NORTHEAST, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in SOUTHEAST, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in EASTERN INTERIOR, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in NORTH CENTRAL, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in PONCE AND VICINITY, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in NORTHWEST, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in MAYAGUEZ AND VICINITY, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in SOUTHWEST, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in CULEBRA, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.

Excessive Heat in VIEQUES, PUERTO RICO
From 01-SEP-23 00:00:00 to 30-SEP-23 00:00:00 (AST-4)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Several stations in the mesonet reported heat indices values of at least 108F, surpassing 112F some days, for over two hours. These conditions met the local criteria for heat advisories and excessive heat warnings.