Weather in Severni Marianski otoki in september
Country-wide climate normals across 10 cities in Severni Marianski otoki.
How Hot Is Severni Marianski otoki in september?
Severni Marianski otoki sees consistently hot September weather — average highs of 29°C, average lows of 27°C, with minimal regional differences. Whether you're in Saipan or one of the coastal cities, conditions feel broadly the same: hot, generally clear, with little night-time relief.
Sunshine in Severni Marianski otoki in september
Persistent cloud and grey skies define Severni Marianski otoki's September: about 0.8h of sun a day in Saipan. Daylight is in short supply too, running from 6:05 am to 6:15 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Severni Marianski otoki In september?
Heavy seasonal rains saturate Severni Marianski otoki in September — Saipan averages 359mm of rain across 27 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Severni Marianski otoki Humid In september?
Severni Marianski otoki is enveloped in tropical-thick humidity through September: Saipan averages 77%, and most of the country tracks similarly. The constant moisture makes warm temperatures feel substantially hotter, and even nights bring limited cooling. Light cotton clothing is essential.
Wind In Severni Marianski otoki In september
Severni Marianski otoki sees consistent breezes in September — averaging 24 kph in Saipan, with similar windy conditions across most regions. Coastal and exposed inland cities often see considerably more, especially in the afternoons. Wind-sensitive plans should factor this in.
Cloud Cover In Severni Marianski otoki In september
Heavy overcast covers Severni Marianski otoki in September: 79% cloud cover in Saipan, with similar grey conditions in most regions. Direct sun is rare, and the pattern is persistent across the country. Coastal and northern regions feel especially heavy.