Weather in Rishīkesh in September

A hard month. September asks something of you. Go in knowing what. You should expect rain on 17 days of the month, which is more days wet than dry.

September ranks 8 of 12 in Rishīkesh: past the worst of the year but short of November, which is the month to book if the dates are open.

This is wet-season rain: 17 wet days and 6 genuinely heavy ones, which in this climate means concentrated downpours rather than all-day grey. The pattern is usually a clear morning and a loud afternoon, so front-load the day and stop fighting the 3pm hour. Pack for 30.8 °C days and 23.3 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 23 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest September day reached 34.3 °C and the coldest night fell to 18.4 °C, and the wettest single day dropped 91 mm — roughly 51% of the month's rain in one day.

September is moderately variable: 35 mm in the driest year against 533 mm in the wettest, around an average of 177 mm. Roughly two Septembers in three land near that average, and the third does something else entirely.

Wind is light at 4.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 78%, high enough to notice on the warm days without dominating them.

How September sits in the year

Temperatures hold steady either side: 31.6 °C in August, 30.8 here, 29.6 in October. Nothing about the timing within the month matters much. Rain is the thing that moves: October brings 14 days less of it, so pushing the dates later buys drier weather.

Daylight in September

12.4 hours of daylight, losing 0.9 hours across the month. That is between Rishīkesh's extremes of 14.1 and 10.2 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 30.9 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Rishīkesh versus nearby

If Rishīkesh is one option among several, the nearby comparison is worth making. Shimla is a better bet in September — 10.1 °C cooler, 3 days less rain. Chandigarh is close enough to be a coin toss — within a degree on temperature, 3 days less rain.

So: September is a compromise. November is 50 points better and is what Rishīkesh is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Rishīkesh

See all twelve months in Rishīkesh, or where else to go in September.