Weather in Guyana in September
Country-wide climate normals across 15 cities in Guyana.
How Hot Is Guyana in September?
Uniform heat across Guyana's September: averages climb to 32°C nationally with overnight lows of 24°C, narrow spread from coast to interior. The hottest cities like Mahdia register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Guyana in September
Persistent cloud and grey skies define Guyana's September: about 1.0h of sun a day in Georgetown. Daylight is in short supply too, running from 5:40 am to 5:50 pm, and most regions of the country see similar overcast conditions. Bright stretches are uncommon and brief.
Does It Rain In Guyana In September?
Guyana's September is wet across most regions: 136mm in Georgetown across 20 days, with rain falling on most days of the month. Coastal and highland regions can see significantly more, while interior regions may stay slightly drier. Sunny stretches are brief and uncommon.
Is Guyana Humid In September?
Saturated air defines Guyana's September: humidity at 79% in Georgetown, with the country as a whole feeling muggy and oppressive. The air practically drips after rain, and even shaded outdoor areas feel warm and clammy. Plan indoor time during the most humid afternoon hours.
Wind In Guyana In September
Guyana's September has gentle wind — Georgetown averages 12 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Guyana In September
Heavy overcast covers Guyana in September: 77% cloud cover in Georgetown, 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.