When to go · Mirissa

Mirissa in September

Avoid month. Listed as a month to avoid: May–Oct (southwest monsoon).

Key facts

Verdict: Avoid
Temperature: 30°C (86°F)86°F (30°C) / 26°C (79°F)79°F (26°C); average high / low
Rain days: 9
Crowds: Low; Sri Lanka overall
Prices: Low; Sri Lanka overall

Plan around it

Verdict

AvoidBest and avoid months for Mirissa

Listed as a month to avoid: May–Oct (southwest monsoon).

September is rated avoid. These months rate higher:

Long-term averages

MirissaHighs around 30 °C (86 °F), lows around 26 °C (79 °F), rain on about 9 daysHighs around 86 °F (30 °C), lows around 79 °F (26 °C), rain on about 9 days
West and south coast, Sri Lanka · Colombo, Negombo, Bentota, Galle, Mirissarainy
South-west monsoon May–Sep brings rough seas and red flags; October–November inter-monsoon storms are heavy in Colombo.

Sri Lanka overall: East still good; Yala often closes for part of September–October.

Weather, crowds and prices for any two months in Mirissa, side by side.

First month

Second month

September: Listed as a month to avoid: May–Oct (southwest monsoon).

January: Inside Mirissa's best window: Nov–Apr.

Mirissa: figures are long-term averages from this guide, not a forecast.