September weather forecast
Georgetown, Guyana

Georgetown in September ushers in a period of reprieve from heavy rainfalls seen in the past few months. The city, now accustomed to the monsoon climate, expects a decrease in rainfall. Drawing a comparison from August to October, September shows a substantial reduction in rainfall, plummeting to an average of 98mm (3.86"). With a fine balance of temperatures, moderated rainfall, and warm sea waters, the city remains vibrant and dynamic. Georgetown lives up to its tropical reputation as September marks the advent of a welcoming climate.

Temperature

Georgetown witnesses its highest average temperatures during September and October, peaking at 30.8°C (87.4°F).

Rainfall

In September, the rain falls for 9 days. Throughout September, 98mm (3.86") of precipitation is accumulated. Throughout the year, there are 174 rainfall days, and 2260mm (88.98") of precipitation is accumulated.

Sea temperature

In Georgetown, Guyana, in September, the average water temperature is 28.8°C (83.8°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In September, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 05:45 and sunset at 17:59. On the last day of September, sunrise is at 05:40 and sunset at 17:44 -04.

Sunshine

The month with the most sunshine is September, with an average of 7.7h of sunshine.

UV index

January through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 12 in September transforms into this advice:
Implement every essential safety step. Individuals with fair skin might receive burns in less than 5 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise. Attention! UV radiation is markedly stronger with water and sand reflections.