September weather forecast
Enewetak, Marshall Islands

As the year heads into its last quarter, September in Enewetak brings fewer daylight hours and slightly cooler temperatures. Despite the decrease, the weather remains agreeably warm and inviting. September is graced with a balanced 19 sunshine hours, echoing July's count. A continued reduction in daylight hours to 12.2 coexists with a rise in rainfall, which increases to 273mm (10.75") this month from 236mm (9.29") in August. This combination of weather elements makes for an interesting blend of sun and rain, characteristic of Enewetak's tropical climate.

Temperature

Enewetak commences September with an average high-temperature of a still tropical 31°C (87.8°F), maintaining a close resemblance to the previous month. In the month of September, the nighttime temperature dips to a steady average of 25°C (77°F).

Rainfall

In Enewetak, in September, during 19 rainfall days, 273mm (10.75") of precipitation is typically accumulated. Throughout the year, there are 229 rainfall days, and 2238mm (88.11") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are August through October, with an average sea temperature of 29.3°C (84.7°F).
Note: For any water activity, temperatures between 25°C (77°F) and 29°C (84.2°F) are deemed excellent and extremely satisfying for enduring periods.

Daylight

In Enewetak, the average length of the day in September is 12h and 11min.
On the first day of September, sunrise is at 07:00 and sunset at 19:20. On the last day of the month, sunrise is at 06:59 and sunset at 19:01 +12.

Sunshine

In September, the average sunshine is 19h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 12 in September translates into the following recommendations:
Adopt all essential precautions. Preventing sun harm is crucial. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Caution! Sand and water surfaces escalate the UV intensity from the Sun.