Weather in Puertoriko in septembris
Country-wide climate normals across 15 cities in Puertoriko.
How Hot Is Puertoriko in septembris?
Uniform heat across Puertoriko's September: averages climb to 31°C nationally with overnight lows of 25°C, narrow spread from coast to interior. The hottest cities like Guaynabo register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Puertoriko in septembris
Puertoriko sees limited sun in September: just 1.0h a day in San Juan, with heavy cloud cover common across most regions. Daylight runs from 6:10 am to 6:25 pm, but persistent grey skies and overcast stretches mean direct sunlight is genuinely scarce. Many days pass without any prolonged sunny spells.
Does It Rain In Puertoriko In septembris?
Puertoriko is in the heart of its rainy season: San Juan measures 208mm of rain across 23 days in September, and the pattern repeats across nearly all regions. Persistent heavy rain, occasional thunderstorms, and saturated air define the entire country's weather.
Is Puertoriko Humid In septembris?
Puertoriko is enveloped in tropical-thick humidity through September: San Juan averages 78%, 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 Puertoriko In septembris
Puertoriko'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 Puertoriko In septembris
Heavy overcast covers Puertoriko 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.