Cheap Flights to Siem Reap in September
Cambodia · September travel guide

Cheap Flights to Siem Reap in September

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Weather & Crowds in September

88°F
High
73°F
Low
20
Rain days

Wettest month of the year — significant flooding is possible and some temple access paths may be submerged. Ultra-low crowds and rock-bottom prices make it viable for adventurous travelers.

Crowds: low
Jan
88° / 66°F
2d rain
Peak season
Feb
91° / 68°F
2d rain
Busy season
Mar
96° / 73°F
4d rain
Shoulder season
Apr
99° / 76°F
7d rain
Shoulder season
May
95° / 76°F
14d rain
Low season
Jun
91° / 75°F
16d rain
Low season
Jul
89° / 74°F
18d rain
Low season
Aug
89° / 74°F
19d rain
Low season
Sep
88° / 73°F
20d rain
Low season
Oct
88° / 72°F
18d rain
Low season
Nov
88° / 68°F
8d rain
Shoulder season
Dec
87° / 65°F
3d rain
Peak season

Siem Reap in September

The quietest month in Siem Reap — some smaller guesthouses and restaurants actually close for annual maintenance. Heavy rain is almost guaranteed daily but usually clears by mid-morning. If you're a serious photographer wanting temples entirely to yourself, this is your month. Hotel prices are 40–50% below December peak.

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Quick Reference

៛ KHR
Currency
Khmer
Language
22–27 hours total with 1 connection (typically through Bangkok, Singapore, or Seoul)
Flight from East Coast
19–24 hours total with 1 connection from LAX or SFO (Singapore Airlines and Cathay Pacific are best options)
Flight from West Coast
$140
Mid-Range Daily Budget
Visa on arrival
Visa (US Citizens)
Verify before travel

Daily Budget in Siem Reap

🎒Budget
$55/day

$10–15 dorm or cheap guesthouse, $15 food (street meals, local spots, one beer), $15–20 three-day Angkor pass amortized daily, $8 tuk-tuk for temple circuit, $5 miscellaneous drinks and snacks

🏨Mid-Range
$140/day

$50–70 boutique guesthouse with pool in Wat Bo area, $35 food (two restaurant meals + coffee), $20 tuk-tuk driver for full day, $20 Angkor pass amortized, $15 activity like a cooking class or Apsara dance show

Luxury
$480/day

$250–350 Amansara or La Résidence d'Angkor suite, $80 dining (Cuisine Wat Damnak dinner tasting menu + breakfast), $30 private car and guide for temples, $20 Angkor pass amortized, $50 spa treatment at hotel

Insider Tip

Skip Angkor Wat at sunrise on your first morning — every tour group in Cambodia is there for the reflection shot and the crowd destroys the experience. Instead, go to Pre Rup temple at sunset on your first evening (it's included on your pass, and you can climb to the top tower for panoramic views over the jungle with almost no one else around), then hit Angkor Wat at 7:30am the next day once the sunrise crowd has cleared. For the actual sunrise experience, Angkor Thom's South Gate or Phnom Bakheng hill give you a temple-at-dawn moment with a fraction of the Angkor Wat mob. Also: hire a knowledgeable local guide for your first full day ($25–35 through your guesthouse or the Licensed Tour Guides of Cambodia association) rather than exploring independently — the iconography and history are so dense that most of Angkor is just 'old stone walls' without context.

Where to Stay

Pub Street / Old Market Area
Budget-friendly

Ground zero for backpackers and budget travelers — Pub Street itself is rowdy and fun with $1 beers and $3 pad thai, but wander one block off and you'll find excellent local restaurants. Old Market (Psar Chas) is the best place to buy silk scarves, knockoff temple souvenirs, and cheap street snacks. Best area to stay if you want to walk everywhere and meet other travelers.

Wat Bo Village
Mid-range

The residential neighborhood east of the river is where expats and repeat visitors stay — quieter than Pub Street, filled with boutique guesthouses ($40–80/night) and genuinely good independent restaurants. Cuisine Wat Damnak is here, as is the beloved Sugar Palm restaurant for classic Khmer cooking. Walkable to both Pub Street and the night market in 10–15 minutes.

Siem Reap River Road / FCC Area
Luxury

The stretch along the river and near the Former Foreign Correspondents' Club has the highest concentration of boutique luxury hotels — Amansara, La Résidence d'Angkor, and Shinta Mani are all clustered here. Restaurants are more polished, cocktails are $10–15, and the vibe is quieter and more refined. Worth the premium if you want a buffer from the Pub Street chaos.

Airport Road / Charles de Gaulle Boulevard
Mid-range

The strip between old REP airport and town has several large mid-range chain-style hotels with pools ($50–120/night) popular with families and package tourists. Convenient for early morning temple visits since it's closer to the Angkor entrance, but lacks walkable dining — you'll need a tuk-tuk for everything. Good value if you prioritize pool time over nightlife.

Events & Festivals

APR
Khmer New Year (Chaul Chnam Thmey)

Three-day national holiday in mid-April celebrating the traditional Khmer new year — the entire country shuts down, families return to their villages, and cities erupt in water fights where strangers drench each other with hoses and water guns. It's chaotic, soaking, and genuinely joyful — bring waterproof cases for electronics and embrace getting drenched. Angkor temples are quieter than usual as many local staff take leave.

NOV
Bon Om Touk (Water Festival)

The most spectacular Cambodian festival, celebrating the reversal of the Tonle Sap River's flow — hundreds of traditional longboats race on the river while fireworks light up the night sky and over a million Cambodians descend on Siem Reap from the provinces. The boat races near the Old Market area are free to watch and genuinely thrilling. Book accommodation months ahead — this is the one week prices spike in low season.

APR
Angkor Sangkranta

Siem Reap's official Khmer New Year festival held at the Angkor Wat complex itself — traditional dance performances, sand pagoda building, and cultural exhibitions within the temple grounds. The backdrop of illuminated temple spires during evening events is extraordinary and free for ticketed Angkor pass holders.

Other Good Times to Visit Siem Reap

Similar Destinations to Siem Reap

Frequently Asked Questions

Is September a good time to visit Siem Reap?
The quietest month in Siem Reap — some smaller guesthouses and restaurants actually close for annual maintenance. Heavy rain is almost guaranteed daily but usually clears by mid-morning. If you're a serious photographer wanting temples entirely to yourself, this is your month. Hotel prices are 40–50% below December peak.
How much do flights to Siem Reap cost in September?
Flight prices to Siem Reap in September vary based on your departure city, airline, and how far in advance you book. Fare reviews and notifications are paused during the provider migration.
What's the weather like in Siem Reap in September?
Siem Reap in September: Wettest month of the year — significant flooding is possible and some temple access paths may be submerged. Ultra-low crowds and rock-bottom prices make it viable for adventurous travelers. Highs around 88°F, lows around 73°F.
How far in advance should I book flights to Siem Reap in September?
For September travel to Siem Reap, booking 6–10 weeks ahead typically yields the best fares. For peak months (July, August, December), book 3–4 months early. Fare reviews and notifications are paused during the provider migration.

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