Suspend if your CPU is getting too hot.

tempwatch.py

#!/usr/bin/env python
import sensors
import subprocess
import time

def emergency():
    subprocess.check_call(['sudo', 'pm-suspend'])

def watch():
    while True:
        if need_emergency():
            emergency()
            time.sleep(5)
        time.sleep(1)

def need_emergency():
    for feature in used_features:
        if feature.get_value() > 90:
            return True
    return False

def main():
    global used_features
    sensors.init()
    try:
        used_features = []
        for chip in sensors.iter_detected_chips():
            for feature in chip:
                used_features.append(feature)
        watch()
    finally:
        sensors.cleanup()

if __name__ == '__main__':
    import daemonize
    daemon = daemonize.Daemonize(app="tempwatch", pid='/var/run/tempwatch.log', action=main)
    daemon.start()