Kaieteur Falls weather in September

September in Kaieteur Falls: hot, rainy, with clean air — fine if you can take 22 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Kaieteur Falls🇬🇾 Guyana · Guianas & Northern Brazil · National park67
  1. 68Jan
  2. 69Feb
  3. 68Mar
  4. 64Apr
  5. 54May
  6. 55Jun
  7. 58Jul
  8. 60Aug
  9. 67Sep
  10. 70Oct
  11. 66Nov
  12. 64Dec

#5 of 12 months in Kaieteur Falls · #1003 of 1413 destinations to visit in September · comfort 67/100 (tier C)

Days
30°C
Nights
21°C
Wet days
22
Sun
11.1 h
Humidity
82%
Daylight
12 h
Kaieteur Falls, Guyana
Photo: Sorenriise at English Wikipedia · CC BY-SA 3.0

Traveller notes on Kaieteur Falls in September

Kaieteur Falls-forum reviews on a September visit describe this as one of the genuinely recommended months, posters naming March-May and September-November as the real windows worth targeting, though weather can affect the small charter flights there. Regulars call the stretch heading into September the real answer for high water volume over the falls, several posters specifically timing an August trip for this reason. Posters recommend Wilderness Explorers out of Georgetown as a real, repeatedly named operator, several regulars describing charter arrangements through local airlines as standard. Regulars call flights genuinely dependent on filling a twelve to thirteen seat plane, several threads warning visitors may not know until the day before if a tour runs. Posters recommend the small guesthouse near the falls for a real overnight rather than a rushed day trip. The record: 30.3C days, 20.9C nights, an extraordinarily high 143.6mm across over 22 days and 82 percent humidity.
KaieteurFallsSeptemberRegular · September · 3 days ago · Read more on Tripadvisor ↗

Other months in Kaieteur Falls

Kaieteur Falls-forum threads on a March visit describe this as genuinely one of the more workable months, posters naming March through May as a real reliable stretch alongside a lesser window in September through November. Regulars call scheduled flights genuinely dependent on hitting a minimum passenger count, several posters naming weekends as filling fastest and more likely to actually depart. Posters call a charter option a real way around that uncertainty, several regulars naming six-seat and up to thirteen-seat aircraft as options guaranteeing a fixed departure. Regulars call flights out of Ogle International near Georgetown the standard departure point, several threads warning cancellations are common enough to plan around. Posters recommend a full-day tour adding Orinduik over the shorter half-day option, several regulars calling this the better value. The record: 28.1C days, 20.8C nights, an extraordinarily high 179.5mm across 26 days and 86 percent humidity.
KaieteurFallsMarchRegular · March · 3 days ago · Read more on Tripadvisor ↗
Kaieteur Falls-forum reviews describe August as genuinely recommended for high water level, one travel agency specifically naming August through September as the window to wait for if maximum flow matters most. Regulars call this genuinely still within the wet season, several posters naming heavy rainfall as the reason water volume stays strong into late summer. Posters call flight access genuinely more reliable by August than earlier in the wet season, several regulars naming this a real improvement over flight uncertainty common in May through July. Regulars call the falls genuinely at their most dramatic with high water, several threads naming this the real payoff for visiting during the wetter half of the year. Posters recommend booking a flight with some buffer, several regulars calling this standard given how weather-dependent access to the falls remains. The record: 29.2C days, 20.7C nights, an extraordinarily high 267.1mm across 27 days and 85 percent humidity.
KaieteurFallsAugustRegular · August · 3 days ago · Read more on Tripadvisor ↗
Kaieteur Falls-forum reviews on a July visit describe this as genuinely deep in the wet season, posters naming heavy afternoon downpours as a real reason flights to the falls can face weather delays. Regulars call May through August the wettest stretch, several posters contrasting this with the September-November window when flights run more reliably but water levels drop and more exposed rock shows. Posters call July genuinely the tradeoff visit, several regulars naming maximum water volume and a more dramatic falls as the payoff for accepting flight uncertainty. Regulars call building a buffer day into a July itinerary a real necessity, several threads warning a cancelled flight can mean rebooking. Posters recommend checking with the operator on morning-of conditions, several regulars calling this standard given how localized weather delays can be. The record: 28.4C days, 20.8C nights, an extraordinarily high 309.2mm across 31 days and 89 percent humidity.
KaieteurFallsJulyRegular · July · 3 days ago · Read more on Tripadvisor ↗
Kaieteur Falls-forum threads on a November visit describe water flow as genuinely moderate, one poster reporting roughly forty percent flow level during a November trip, still visually striking though short of peak volume. Regulars call the only real access here by plane or hike, several posters naming a roughly one-hour flight from Ogle International the standard way in. Posters call Trans Guyana, Roraima and Air Services the real standard operators, several regulars naming all three for day tours needing a minimum count. Regulars call flight cancellation a genuine possibility regardless of dates, several threads naming weather and insufficient bookings the two real reasons a flight can fall through. Posters recommend the small guesthouse near the falls for a real overnight option, several regulars calling this the standard alternative to a rushed day trip. The record: 28.9C days, 21.4C nights, an extraordinarily high 184.6mm across 28 days and 87 percent humidity.
KaieteurFallsNovemberRegular · November · 3 days ago · Read more on Tripadvisor ↗

Add your own note from Kaieteur Falls's card on the map.

Kaieteur Falls climate normals — September

Daytime high30°C / 87°F🥵 hot
Nighttime low21°C / 70°F
Rainfall144 mm / 5.7 in🌧 rainy
Rainy days22 days
Humidity82%💦 very humid
Dew point22°C / 71°F
Sunshine11.1 h/day
Daylight12.1 h
Wind9 km/h / 6 mph
Air quality (US AQI)42🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Kaieteur Falls in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonschool holidays in 2 of the markets that fill it, an ordinary month(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Kaieteur Falls's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherKaieteur Falls's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

JFMAMJJASOND

Where is Kaieteur Falls?

Loading map…

Kaieteur Falls in September — FAQ

Is September a good time to visit Kaieteur Falls?
September in Kaieteur Falls: hot, rainy, with clean air — fine if you can take 22 rainy days. It ranks #5 of 12 months for Kaieteur Falls on SeasonMap's comfort score (67/100).
What is the weather like in Kaieteur Falls in September?
In September, Kaieteur Falls averages a daily high of 30.3°C and a low of 20.9°C, with about 143.6 mm of rain over roughly 22.4 rainy days.
What is the air quality in Kaieteur Falls in September?
Kaieteur Falls has a mean US Air Quality Index of about 42 in September.