Month guide · Kerala · India
Kerala in September
What September is really like in Kerala: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Quick answer
September is a good-value shoulder-season month. Expect average highs of 30°C (86°F), lows of 24°C (75°F), about 15 rainy days and roughly 12.2 hours of daylight. The monsoon tails off with sunny spells; Onam often falls in this month, with festivities statewide.
Key facts
- Average high / low
- 30°C (86°F) / 24°C (75°F)
- Rainy days
- About 15
- Daylight
- About 12.2 hours
- Sea temperature
- 27°C (81°F)
- Crowds
- Quiet
- Hotel prices
- Low
Weather in September
September is the 8th-warmest month in Kerala: days average 30°C (86°F) against a yearly average high of 31°C (88°F), and nights fall to about 24°C (75°F). Rain falls on roughly 15 of its 30 days. Compared with August (29°C (84°F)), September is about as warm; by October highs stay near 30°C (86°F).
- Sunrise (15 September)
- About 06:14
- Sunset (15 September)
- About 18:26
- Daylight
- About 12.2 hours
- Sea
- 27°C (81°F)
South-west monsoon (June–September). Heavy rain, rough seas and some landslides on hill roads, but lush scenery, snake-boat races, Onam and low prices.
Crowds and prices
On a 1–5 scale, September rates 2 for crowds (the peak is January at 5) and 2 for hotel prices (highest in January). That makes September one of the better-value months to book.
Events in September
- Onam (August or September)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in September
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Experience · Kovalam
Ayurveda treatment
Choose centres with qualified Ayurvedic doctors who consult before treatment, especially for multi-day programmes.
- Time needed
- 1–2 hours, or courses of 1–3 weeks
- Cost
- Mid-priced
- Couples
- Rainy day
Experience · Alappuzha
Backwater houseboat cruise
Converted kettuvallam rice barges with bedrooms, a deck and a cook sail from Alappuzha across Vembanad Lake and along the canals of Kuttanad, where paddy fields lie below water level.
- Time needed
- 1 night
- Cost
- Expensive
- Iconic
- Couples
- Kids
- Food
- Views
Landmark · Fort Kochi
Chinese fishing nets
Come at sunset when the nets are silhouetted, and ask the fishermen before you join them on the platform.
- Time needed
- 45 minutes
- Cost
- Free
- Iconic
- Free
- Photo spot
- Food
Religious site · Mattancherry
Paradesi Synagogue and Jew Town
Built in 1568, the Paradesi Synagogue is the oldest active synagogue in the Commonwealth, with hand-painted Chinese floor tiles and Belgian chandeliers.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Shopping
- Architecture
The sea averages 27°C (81°F) — warm enough to swim. Best beaches near Kerala.
What to pack
For highs near 30°C, lows near 24°C and 15 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a compact umbrella and waterproof shoes — rain is frequent; comfortable walking shoes.
Is September a good time to visit Kerala?
A good-value shoulder-season month, with a notable event on the calendar. If your dates are flexible, November–February are better overall. Compare every month.
Kerala in other months
Questions travellers ask
+Is September a good time to visit Kerala?
It is a good-value shoulder-season month. The monsoon tails off with sunny spells; Onam often falls in this month, with festivities statewide.
+How warm is Kerala in September?
Average highs are around 30°C (86°F) and lows around 24°C (75°F).
+Does it rain a lot in Kerala in September?
Expect rain on about 15 days of the month, so pack for wet weather.