Tanna Island Weather in September
September in Tanna Island typically sees daytime highs of 25°C (77°F) and nighttime lows of 21°C (70°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Tanna Island in September
The climate data from previous years indicates about 15 days of rain, averaging 89 mm (3.5 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Tanna Island in September
September is a good time to be in Tanna Island. Days are perfect, reaching 25°C (77°F), with nights around 21°C (70°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.If your ideal day consists of dry skies and pleasant temperatures, July, August, September and October typically offer the best circumstances for Tanna Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vanuatu, check out our Tanna Island's climate page.
Tanna Island Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
25°C (77°F)
Chance of Rain
48%
Precipitation
89 mm (3.5 in)
Rainy days
15 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Tanna Island typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in September
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Tanna Island in September
Browse day-by-day weather records for Tanna Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tanna Island historical weather extremes in September
The extremes listed below come from historical weather data collected in Tanna Island from 2002 through 2025.
- On September 22, 2021, temperatures climbed to 31°C (88°F), marking the warmest September day on record.
- The coldest September day was on September 24, 2004, with a maximum of 21°C (70°F).
- The lowest overnight temperature recorded in September was 13°C (55°F) (September 1, 2018).
Best Places in Vanuatu in September
Find out more about the weather in Vanuatu and which places have the best travel conditions in this month. See all of Vanuatu in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Tanna Island 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. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Tanna Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Vanuatu, check out our Tanna Island's climate page.
See the full Tanna Island climate overview or explore weather in Vanuatu.
