Weather in Borinquen in septiembre
Country-wide climate normals across 15 cities in Borinquen.
How Hot Is Borinquen in septiembre?
Borinquen bakes evenly in September — highs around 31°C are typical from Fajardo all the way to Guaynabo, with very little regional variation. Lows sit around 25°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Borinquen in septiembre
Persistent cloud and grey skies define Borinquen's September: about 1.0h of sun a day in San Juan. Daylight is in short supply too, running from 6:10 am to 6:25 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Borinquen In septiembre?
Heavy seasonal rains saturate Borinquen in September — San Juan averages 208mm of rain across 23 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 Borinquen Humid In septiembre?
Heavy oppressive humidity covers Borinquen in September: 78% on average in San Juan, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Borinquen In septiembre
Borinquen's September has gentle wind — San Juan averages 18 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Borinquen In septiembre
Heavy overcast covers Borinquen in September: 78% cloud cover in San Juan, 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.