Lethem weather in September 2025

Expect 91°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Lethem in September. Check more long-term weather averages for Lethem in September before you book your next holiday to Guyana in 2025/2026.

  • 91°F maximum daytime temperature in September in Lethem91
    91°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in September in Lethem13
    13 days with some rainfall
  • 73°F minimum night-time temperature in September in Lethem73
    73°F min night temperature
  • 12 hours of daylight per day in September in Lethem12
    12 hours of daylight per day
  • Very high heat & humidity in September in LethemVH
    Very High heat & humidity
  • 3.3 inches monthly rainfall in September in Lethem3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Lethem11
    11+ (Extreme) UV index

More about Lethem

Lethem by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Guyana

  • Compare car hire prices to find lowest rate
  • Free cancellation up to 48 hours before pick up
  • Book car hire for over 20,000 destinations worldwide

The September weather guide for Guyana (Lethem) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

How hot is it in Lethem in September?

Daytime temperatures usually reach 91°F in Lethem in September with very high heat and humidity, falling to 73°F at night.

How sunny is it in Lethem in September?

There are normally 8 hours of bright sunshine each day in Lethem in September - that's 68% of daylight hours.

Does it rain in Lethem in September?

There are usually 13 days with some rain in Lethem in September and the average monthly rainfall is 3.3 inches.

Lethem September sunrise & sunset times

Browse the sunrise and sunset times for Lethem in September 2025. Select a month to view Lethem sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:54 18:04
Monday, 15th September 2025 05:50 17:58
Tuesday, 30th September 2025 05:47 17:52

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^