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Hourly Forecast
Daylight Hours
07:09
Sunrise
18:59
Sunset
Moon
Waxing Gibbous
17:59
Moonrise
02:51
Moonset
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View stargazing scoreWeather in Tanna today, September 23, 2026
Tanna looks cloudy on September 23, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. Morning skies stay relatively clear, holding cloud close to 32% near 08:00. The early part of the day favours being outside.
Temperatures climb from an overnight low near 5°C toward a daytime high of about 16°C. Relative humidity sits between 54% and 96%, reaching its peak around 08:00. Expect gentle winds, highest near 18:00 at 1.6 km/h.
Expect persistent cloud later on, with amounts around 100% by 17:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 33.3 km on average, though it can drop toward 4.6 km in thicker cloud or showers. Expect sunrise at 07:09, sunset at 18:59, and 11 hours 50 minutes of sunlight today overall.
The practical takeaway for Tanna on September 23, 2026 is a cloudy day that stays usable, just not particularly bright, around 16°C.
Frequently asked questions about weather in Tanna
How warm does it get in Tanna?
The warmest month in Tanna is August, with average high temperatures of 23°C. The average temperature during this period is around 18°C.
How cold does it get in Tanna?
The coldest month in Tanna is January, with average low temperatures of -2°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Tanna?
The wettest month in Tanna is July, with an average of 86mm of precipitation.
What is the driest time of year in Tanna?
The driest month in Tanna is November, with an average of 47mm of precipitation.
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