Adamstown Weather in September
Adamstown in September sees high daytime temperatures of 23°C (73°F) and nighttime lows of 20°C (68°F). Rainfall is fairly high this month at around 118 mm (4.6 in), so pack a rain jacket to stay dry.
Rainfall in Adamstown in September
Looking at the last 30 years, the data shows about 7 days with rain, averaging 118 mm (4.6 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.
Temperature in Adamstown in September
Daytime temperatures in Adamstown reach 23°C (73°F) in September, dropping to 20°C (68°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 20°C (68°F), which is comfortable for most people. This month is known for its mildest temperatures of the year, yet it still offers a pleasantly warm days.If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Pitcairn Islands, check out our Adamstown's climate page.
Adamstown Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
23°C (73°F)
Chance of Rain
23%
Precipitation
118 mm (4.6 in)
Rainy days
7 days
Humidity
78%
Historical weather for Adamstown in September
Browse day-by-day weather records for Adamstown spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Adamstown historical weather extremes in September
The extremes listed below come from historical weather data collected in Adamstown from 2002 through 2025.
- Adamstown recorded its highest September temperature of 23°C (73°F) on September 28, 2007.
- The lowest daytime temperature in September was 16°C (61°F), recorded on September 24, 2003.
Best Places in Pitcairn Islands in September
Find out more about the weather in Pitcairn Islands and which places have the best travel conditions in this month. See all of Pitcairn Islands in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Adamstown in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Adamstown 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 Pitcairn Islands, check out our Adamstown's climate page.
See the full Adamstown climate overview or explore weather in Pitcairn Islands.
