Skip to content
Voykit

When to go · Jamestown

Jamestown in September

Good month. Warming; good hiking weather.

Key facts

Verdict
Good
Temperature
22°C (72°F) / 17°C (63°F)
average high / low
Rain days
3
Crowds
Low
Saint Helena, Ascension and Tristan da Cunha overall
Prices
Low
Saint Helena, Ascension and Tristan da Cunha overall

Verdict

GoodVoykit month rating for Jamestown

Warming; good hiking weather.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than September?

September is rated good. These months rate higher:

Weather in September

Long-term averages
  • JamestownHighs around 22 °C (72 °F), lows around 17 °C (63 °F), rain on about 3 days
  • Mild and dry in the rocky valleys, 20–28 °C (68–82 °F); cooler and breezier from June to October.

Winter season

Cool and windy; quiet.

Watch: Wind can delay flights and close the Ladder.

Crowds and prices

Crowds · Saint Helena, Ascension and Tristan da Cunha overall
Low
Prices · Saint Helena, Ascension and Tristan da Cunha overall
Low

Saint Helena, Ascension and Tristan da Cunha overall: Cool; Tristan's main annual relief voyage often sails around now (check).

Compare two months

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

  • Verdict

    Sep: Good

    Jan: Great (better)

  • Daytime high

    Sep: 22 °C (72 °F)

    Jan: 27 °C (81 °F)

  • Night low

    Sep: 17 °C (63 °F)

    Jan: 21 °C (70 °F)

  • Rain days

    Sep: 3

    Jan: 3

  • Crowds

    Sep: Low

    Jan: High

  • Prices

    Sep: Low

    Jan: High

  • Festivals listed

    Sep: 0

    Jan: 1

September: Warming; good hiking weather.

January: Warm; whale-shark season roughly Dec to Apr.

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

What to pack

Nothing unusual for the weather this month.

Build the full packing list for your trip →

Across Saint Helena, Ascension and Tristan da Cunha in September →