September weather forecast
Midway Island, USA

September on Midway Island marks the onset of a transitional period, veering away from the intense summer warmth and gradually embracing the early whispers of the wetter season. The island's even terrain, untouched by urban constructs, ensures a consistent experience of these changing weather dynamics across its expanse.

During September, temperatures start to exhibit a subtle decline, signaling the retreat of summer. On the island, values typically oscillate between 71°F (21.7°C) and 80°F (26.7°C). Concurrently, the surrounding Pacific Ocean showcases a mild cooling trend, with water temperatures shifting from 74°F (23.3°C) to 77°F (25°C). Though the waters remain inviting, the increased chance of rain adds a layer of variability to marine excursions.

A notable shift in September is the amplification of rainfall patterns. Precipitation events become more frequent and pronounced compared to the drier summer months. The winds, while still predominantly moderate, average below 15mph (24.1km/h). However, the potential for stronger wind episodes rises, especially when influenced by passing tropical disturbances.

Moving from the drier conditions of August, September begins to pave the way for the island's wetter season. As the month progresses, its weather patterns offer a preview of what to expect in October, which is likely to bring enhanced rainfall, greater humidity, and the continued cooling trend characteristic of the approaching winter months.

---

• Midway Atoll - September »
  August and September, with an average ocean temperature of 80.6°F (27°C), are months with the warmest seawater in Midway Atoll, Midway Island. The peak of Midway Atoll's temperatures is noted during August and September, averaging a high-temperature of 84°F (28.9°C).
• Midway Atoll National Wildlife Refuge - September »
  On the first day of September in Midway Atoll National Wildlife Refuge, Midway Island, sunrise is at 6:28 am and sunset at 7:10 pm. The months of August and September are noted for their peak temperatures in Midway Atoll National Wildlife Refuge, with an average high-temperature of 84°F (28.9°C).