Updated for correct templating of trigger_id

config/automation/Timed_Triggers/startup_month.yaml

@@ -19,7 +19,7 @@
     - condition: template
       value_template: >
         {% set month=states("sensor.date").split('-')[1] | int %}
-        {%- if month == 4 or month == 5 or month == 6 or month == 7 or month == 8 -%}
+        {%- if month == 4 or month == 5 or month == 6 or month == 7 -%}
           true
         {%- endif -%}