Geography · Indian Geography - Climate

With reference to the Southwest Monsoon in India, consider the following statements: I. The monsoon normally sets in during early June and begins to withdraw from northwest India by September. II. It leads to widespread drop in temperatures from extreme summer peaks, establishing humid conditions across most parts of the country. III. Uneven spatial distribution of rainfall and intermittent dry spells ('breaks') are characteristic features. How many of the above statements are correct?