Objectively measurable stimuli are used in psychophysics experiments, such as lights varying in brightness, or sounds varying in loudness. A threshold, or limin, is the point at which a subject can detect a stimulus, or a change in the stimulus.
Cancun: Annual Weather Averages. June is the hottest month in Cancun with an average temperature of 28Â°C (82Â°F) and the coldest is January at 23Â°C (73Â°F) with the most daily sunshine hours at 11 in August. The wettest month is September with an average of 270mm of rain.
In September, the average temperature for Cancun is 28Â°C/82Â°F, created by average highs of 33Â°C/91Â°F in the hottest part of the day and average lows of 25Â°C/82Â°F in the mildest part of the night.