Mannar Weather in September

With daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F), September in Mannar brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 64 mm (2.5 in) falls on average.

Rainfall in Mannar in September

Looking at the last 30 years, the data shows about 4 days with rain, averaging 64 mm (2.5 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.

Temperature in Mannar in September

Daytime highs in Mannar in September reach 30°C (86°F), with nights around 27°C (81°F). For most visitors, the main thing to prepare for is the heat during the day. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

If your ideal day consists of dry skies and pleasant temperatures, January typically offers the best circumstances for Mannar.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Mannar's climate page.

Mannar Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 12%  

Precipitation 64 mm (2.5 in)  

Rainy days 4 days  

What to Wear in Mannar in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Mannar in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

8/10

Walking

8/10

Camping

7/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Mannar's climate page.

More climate data for Mannar

Temperature Rainfall

See the full Mannar climate overview or explore weather in Sri Lanka.