September weather forecast
Majuro, Marshall Islands

The decrease in wind speed to 15.8km/h (9.8mph) and the maintained sea warmth make Majuro a paradise in September. The consistent hours of daylight further enhance the appeal for outdoor activities, encouraging visitors and locals to explore the lush tropical landscapes. Even though the precipitation remains relatively high, it doesn’t hamper the overall pleasant weather conditions. The drop in clouds and rise in visibility illuminate the scenic majesty of the island. Majuro's beaches, with their golden sands, continue to mesmerize global sightseers.

Temperature

In Majuro, Marshall Islands, the warmest period comes during September and October, when the average high-temperature touches 28.9°C (84°F).

Heat index

Throughout September, the heat index is estimated at a hot 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

The months with the lowest humidity in Majuro are August through October, with an average relative humidity of 75%.

Rainfall

In Majuro, in September, during 27.9 rainfall days, 203mm (7.99") of precipitation is typically accumulated. Throughout the year, there are 314 rainfall days, and 2315mm (91.14") of precipitation is accumulated.

Sea temperature

September and October, with an average sea temperature of 29.3°C (84.7°F), are months with the warmest seawater.
Note: For swimming, diving, or other water activities, the temperature range of 25°C (77°F) to 29°C (84.2°F) is perceived as exceptionally enjoyable and comfortable even for prolonged periods.

Daylight

In Majuro, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:42. On the last day of September, sunrise is at 06:23 and sunset at 18:27 +12.

Sunshine

With an average of 8.3h of sunshine, September has the most sunshine of the year.

UV index

The months with the highest UV index in Majuro, Marshall Islands, are January through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay aware! UV radiation is magnified when reflecting off sand and water.