Weather in Belize in September
Country-wide climate normals across 15 cities in Belize.
How Hot Is Belize in September?
Uniform heat across Belize's September: averages climb to 31°C nationally with overnight lows of 24°C, narrow spread from coast to interior. The hottest cities like San Ignacio register similar readings to the coolest, so plan for consistently hot weather across the country.
Sunshine in Belize in September
Limited sunshine and short daylight define Belize's September: Belize City averages just 0.7h of direct sun, with the sun up between 5:40 am and 5:55 pm. The grey, overcast pattern is consistent across most of the country, with little regional variation in cloud cover.
Does It Rain In Belize In September?
Belize is in the heart of its rainy season: Belize City measures 252mm of rain across 26 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 Belize Humid In September?
Saturated air defines Belize's September: humidity at 80% in Belize City, 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 Belize In September
Belize's September has gentle wind — Belize City averages 14 kph, and the country tracks similarly. Outdoor activity is comfortable, and afternoon thermals add a pleasant breeze in inland areas.
Cloud Cover In Belize In September
Belize's September is dominated by overcast skies: Belize City averages 80% cloud cover, with similar grey persistence across the country. Days feel dim and soft-lit, with little break in the cloud deck.