Continues the drier spell with favourable conditions for river trips, hiking, and savannah explorations. Coastal humidity is moderate and rainfall is limited. Good month for planning multi-day interior excursions.
SeasonHigh SeasonTemperature 24-31°C (75-88°F)Crowds HighPrices High
High seasonShoulderLow season
Weather by City in September
CityLow / highRain
Georgetown
Hot
24°32° 90 mm
Linden
Hot
23°32° 114 mm
New Amsterdam
Hot
24°32° 47 mm
Anna Regina
Hot
24°32° 105 mm
Bartica
Hot
23°31° 56 mm
Rose Hall
Hot
24°32° 69 mm
Skeldon
Hot
24°32° 68 mm
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Temperature map
-30°-20°-10°0°10°20°30°40°
Average temperature across Guyana in September.
Where to Go in Guyana in September
Coastal Lowlands
Georgetown, East Coast Demerara, New Amsterdam
September often feels like a short-lived reprieve: rainfall decreases compared with July but humidity remains, and afternoons start to clear more frequently. Coastal towns see a gradual return of brighter skies which makes this a better month for arranging inland flights and boat transfers. Travelers can begin to expect easier road conditions for east coast excursions, but keep insect repellent handy as mosquito activity remains elevated after the rains.
Lower Essequibo & Interior Lowlands
Bartica, Vreed-en-Hoop, Essequibo River islands
September is a transitional month when river levels often begin to drop and some landing sites reappear, improving road-and-boat linkages to ferry points. The improved accessibility makes this one of the better months for upriver exploration and for combining river travel with short road transfers to hinterland lodges. Travelers will appreciate drier trails, but should still carry mosquitoes protection - pockets of wetland can linger.
Central Rainforest & Protected Reserves
Iwokrama, Kaieteur region approaches, protected forests
September shows signs of drying as rainfall decreases and trails become firmer and less waterlogged; mornings are often particularly clear and bird song is abundant. Accessibility improves for foot travel and small-boat trips, making this one of the better months to visit for a mix of reasonable weather and good wildlife viewing. Travelers should still pack for humidity and mosquitoes, but can plan longer hikes with fewer interruptions.
Rupununi Savannah
Lethem, Annai, South Rupununi
September continues dry and hot into the late dry season; smoke from seasonal burning may appear as ranchers clear fields, sometimes affecting air quality and visibility. Road conditions remain good for travel, but travelers with respiratory sensitivities should be aware of occasional haze patches from controlled burns. This is a good month for long drives and multi-day overland itineraries, with ample daylight hours.
Pakaraima Mountains & Kaieteur Plateau
Kaieteur Falls, Mount Roraima approaches, western highlands
September gradually clears up as rainfall diminishes and mountain routes firm, making this one of the better months for expedition-style trekking and for combining aerial and ground access to the plateau. Nights are cool on the ridgelines and days can be pleasantly warm when the sun breaks through, improving visibility for long panoramas. This month is often favored by serious trekkers - pack layers, sturdy boots, and allow buffer days for weather-dependent flights.
Events & Festivals in September
There are no major festivals or events in Guyana during September to be aware of.
Planning a trip to Guyana?
See how September compares with the rest of the year, then read the full guide.
