Saint Helena, typically experiences pleasant weather in September, with maximum daytime temperatures around 21°C (70°F) and nighttime temperatures around 19°C (66°F) in Jamestown. On average, it is one of the coldest months of the year.
Curious about the September temperatures in the prime spots of Saint Helena? Navigate the map below and tap on a destination dot for more detailed stats.
Pick a month to see the average temperature, rainfall and sunshine in Saint Helena - and find the best time to visit. See also: Saint Helena weather by month.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Saint Helena.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Expect daytime temperatures around 21°C (70°F) in Jamestown. That makes September a pleasant month for Saint Helena.
Average overnight lows in Saint Helena during September sit near 19°C (66°F) in Jamestown.
We have much more information about the climate in Saint Helena.
Weather and climate has detailed information for every country in the world. Are you going to Saint Helena? Get detailed historical weather averages for many cities in Saint Helena.
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