| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average temperature in Georgetown in September is fairly hot at 25 °C (77 °F).
- Afternoons can be very hot with average high temperatures reaching 28 °C (82.4 °F).
- Overnight temperatures are generally really warm with an average low of 22 °C (71.6 °F).
- The average daily temperature range/ variation in September is 6 °C (10.8 °F).
- The weather in September is arid with scarcely any rain. A feeble 8mm (0.3in) of fluid is unloaded across on average 2 days.
- The blue above Georgetown is slightly fair with on average an unexceptional 5:19 of glaring solar radiation daily.
- The shortest day is 11:58 long and the longest day is 12:11 long with an average length of 12:04.
- There are approximately 6:38 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 44.5% of daylight hours and cloudy 55.5% of daylight hours.
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Weather Trend Graph for September in Georgetown, Ascension Island
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