When to go · Jamestown
Jamestown in September
Good month. Warming; good hiking weather.
Key facts
- Verdict
- Good
- Temperature
- 22°C (72°F)72°F (22°C) / 17°C (63°F)63°F (17°C)
- 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
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
- JamestownHighs around 22 °C (72 °F), lows around 17 °C (63 °F), rain on about 3 daysHighs around 72 °F (22 °C), lows around 63 °F (17 °C), rain on about 3 days
- Saint Helena coast, Saint Helena, Ascension and Tristan da Cunha · Jamestown, Rupert's, Sandy Bayfine
Mild and dry in the rocky valleys, 20–28 °C (68–82 °F); cooler and breezier from June to October.Mild and dry in the rocky valleys, 68–82 °F (20–28 °C); 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)72 °F (22 °C)
Jan: 27 °C (81 °F)81 °F (27 °C)
Night low
Sep: 17 °C (63 °F)63 °F (17 °C)
Jan: 21 °C (70 °F)70 °F (21 °C)
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.
Across Saint Helena, Ascension and Tristan da Cunha in September →