Lethem weather in September
In September, Lethem sees average daytime highs of 31°C and overnight lows near 23°C, with 157 mm of rain across 18.8 wet days and about 12 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 31% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Lethem's 1st-clearest and 9th-windiest month. For the whole year in context, see Lethem's year-round climate.
- Daytime high
- 31°
- 4th warmest
- Overnight low
- 23°
- 7th coldest
- Rainfall
- 157 mm
- 18.8 wet days
- Daylight
- 12 hours
- 5:53 AM – 5:54 PM
- Cloud cover
- 57%
- 1st clearest
- Wind
- 7 km/h
- 9th windiest
- Solar energy
- 5.64 kWh/m²
- Travel score
- 3.5
- out of 10
Lethem is Regional Capital of Alto Tcutu-Upper Essequibo, which is controlled by Guyana and claimed by Venezuela.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 31°C through the month.
A typical September day in Lethem reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 22 |
| 2 | 31 | 22 |
| 3 | 31 | 22 |
| 4 | 31 | 22 |
| 5 | 31 | 22 |
| 6 | 31 | 22 |
| 7 | 31 | 22 |
| 8 | 31 | 22 |
| 9 | 31 | 22 |
| 10 | 31 | 22 |
| 11 | 31 | 22 |
| 12 | 31 | 22 |
| 13 | 31 | 22 |
| 14 | 31 | 23 |
| 15 | 31 | 23 |
| 16 | 31 | 23 |
| 17 | 31 | 23 |
| 18 | 31 | 23 |
| 19 | 31 | 23 |
| 20 | 31 | 23 |
| 21 | 31 | 23 |
| 22 | 31 | 23 |
| 23 | 31 | 23 |
| 24 | 32 | 23 |
| 25 | 32 | 23 |
| 26 | 32 | 23 |
| 27 | 32 | 23 |
| 28 | 32 | 23 |
| 29 | 32 | 23 |
| 30 | 32 | 23 |
How September really feels in Lethem
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lethem weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 22° | 46 | 9.3 | 11.8 | 4.6 |
| Feb | 31° / 22° | 47 | 8.2 | 11.9 | 4.5 |
| Mar | 32° / 23° | 64 | 9.3 | 12 | 4.1 |
| Apr | 31° / 23° | 188 | 17.1 | 12.1 | 3.6 |
| May | 29° / 22° | 386 | 27 | 12.2 | 3.2 |
| Jun | 29° / 22° | 367 | 28.4 | 12.2 | 3.1 |
| Jul | 29° / 22° | 363 | 28.9 | 12.2 | 3.2 |
| Aug | 30° / 22° | 261 | 25.4 | 12.1 | 3.3 |
| Sep | 31° / 23° | 157 | 18.8 | 12 | 3.5 |
| Oct | 32° / 23° | 115 | 16.4 | 11.9 | 3.5 |
| Nov | 32° / 23° | 114 | 15.6 | 11.8 | 3.5 |
| Dec | 31° / 23° | 75 | 13.6 | 11.8 | 4.1 |
Cloud cover in September
The sky is clear or mostly clear about 31% of the time in September, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 57 | 58 | 57 | 58 | 58 | 59 | 58 | 58 | 58 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 56 | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 59 | 59 | 58 | 58 | 59 | 59 |
| Cloudier (%) | 43 | 42 | 43 | 42 | 42 | 41 | 42 | 42 | 42 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 42 | 42 | 41 | 41 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 57 | 43 |
| 2 | 58 | 42 |
| 3 | 57 | 43 |
| 4 | 58 | 42 |
| 5 | 58 | 42 |
| 6 | 59 | 41 |
| 7 | 58 | 42 |
| 8 | 58 | 42 |
| 9 | 58 | 42 |
| 10 | 56 | 44 |
| 11 | 56 | 44 |
| 12 | 56 | 44 |
| 13 | 56 | 44 |
| 14 | 56 | 44 |
| 15 | 56 | 44 |
| 16 | 56 | 44 |
| 17 | 56 | 44 |
| 18 | 57 | 43 |
| 19 | 57 | 43 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 59 | 41 |
| 25 | 59 | 41 |
| 26 | 59 | 41 |
| 27 | 58 | 42 |
| 28 | 58 | 42 |
| 29 | 59 | 41 |
| 30 | 59 | 41 |
Chance of precipitation in September
Lethem gets around 157 mm of rain over 18.8 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 63% and peaks near 70% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 70 | 70 | 69 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 67 | 66 | 65 | 64 | 64 | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 56 | 55 | 55 | 54 | 54 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 70 |
| 2 | 70 |
| 3 | 69 |
| 4 | 69 |
| 5 | 69 |
| 6 | 69 |
| 7 | 69 |
| 8 | 69 |
| 9 | 68 |
| 10 | 68 |
| 11 | 67 |
| 12 | 66 |
| 13 | 65 |
| 14 | 64 |
| 15 | 64 |
| 16 | 63 |
| 17 | 62 |
| 18 | 61 |
| 19 | 60 |
| 20 | 59 |
| 21 | 58 |
| 22 | 57 |
| 23 | 57 |
| 24 | 56 |
| 25 | 56 |
| 26 | 55 |
| 27 | 55 |
| 28 | 54 |
| 29 | 54 |
| 30 | 54 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 20 |
| Oppressive (%) | 97 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 95 | 94 | 94 | 93 | 93 | 92 | 92 | 91 | 90 | 90 | 89 | 89 | 88 | 87 | 86 | 85 | 84 | 83 | 82 | 81 | 80 | 79 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 0 | 3 | 97 |
| 2 | 0 | 3 | 97 |
| 3 | 0 | 3 | 97 |
| 4 | 0 | 4 | 96 |
| 5 | 0 | 4 | 96 |
| 6 | 0 | 4 | 96 |
| 7 | 0 | 5 | 95 |
| 8 | 0 | 5 | 95 |
| 9 | 0 | 5 | 95 |
| 10 | 0 | 6 | 94 |
| 11 | 0 | 6 | 94 |
| 12 | 0 | 7 | 93 |
| 13 | 0 | 7 | 93 |
| 14 | 0 | 8 | 92 |
| 15 | 0 | 8 | 92 |
| 16 | 0 | 9 | 91 |
| 17 | 0 | 10 | 90 |
| 18 | 0 | 10 | 90 |
| 19 | 0 | 11 | 89 |
| 20 | 0 | 11 | 89 |
| 21 | 0 | 12 | 88 |
| 22 | 0 | 13 | 87 |
| 23 | 0 | 14 | 86 |
| 24 | 0 | 15 | 85 |
| 25 | 1 | 15 | 84 |
| 26 | 1 | 16 | 83 |
| 27 | 1 | 17 | 82 |
| 28 | 1 | 18 | 81 |
| 29 | 1 | 19 | 80 |
| 30 | 1 | 20 | 79 |
Wind in September
Winds average 7 km/h in September.
Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over September. Sunrise moves from 5:57 AM to 5:49 AM, and sunset from 6:01 PM to 5:48 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:55 | 5:54 | 5:54 | 5:54 | 5:54 | 5:53 | 5:53 | 5:53 | 5:52 | 5:52 | 5:52 | 5:52 | 5:51 | 5:51 | 5:51 | 5:51 | 5:50 | 5:50 | 5:50 | 5:50 | 5:49 |
| Sunset (PM) | 6:01 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:58 | 5:58 | 5:57 | 5:57 | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:54 | 5:54 | 5:53 | 5:53 | 5:52 | 5:52 | 5:51 | 5:51 | 5:50 | 5:50 | 5:49 | 5:49 | 5:49 | 5:48 | 5:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 5:57 | 6:01 |
| 2 | 12.1 | 5:57 | 6:00 |
| 3 | 12.1 | 5:56 | 6:00 |
| 4 | 12.1 | 5:56 | 6:00 |
| 5 | 12.1 | 5:56 | 5:59 |
| 6 | 12.0 | 5:56 | 5:59 |
| 7 | 12.0 | 5:55 | 5:58 |
| 8 | 12.0 | 5:55 | 5:58 |
| 9 | 12.0 | 5:55 | 5:57 |
| 10 | 12.0 | 5:55 | 5:57 |
| 11 | 12.0 | 5:54 | 5:56 |
| 12 | 12.0 | 5:54 | 5:56 |
| 13 | 12.0 | 5:54 | 5:55 |
| 14 | 12.0 | 5:54 | 5:55 |
| 15 | 12.0 | 5:53 | 5:55 |
| 16 | 12.0 | 5:53 | 5:54 |
| 17 | 12.0 | 5:53 | 5:54 |
| 18 | 12.0 | 5:52 | 5:53 |
| 19 | 12.0 | 5:52 | 5:53 |
| 20 | 12.0 | 5:52 | 5:52 |
| 21 | 12.0 | 5:52 | 5:52 |
| 22 | 12.0 | 5:51 | 5:51 |
| 23 | 12.0 | 5:51 | 5:51 |
| 24 | 12.0 | 5:51 | 5:50 |
| 25 | 12.0 | 5:51 | 5:50 |
| 26 | 12.0 | 5:50 | 5:49 |
| 27 | 12.0 | 5:50 | 5:49 |
| 28 | 12.0 | 5:50 | 5:49 |
| 29 | 12.0 | 5:50 | 5:48 |
| 30 | 12.0 | 5:49 | 5:48 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.64 kWh/m².
For context, solar energy here swings from a low near 3.83 kWh/m² to a high of 5.74 kWh/m² in October across the year — September's 5.64 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.4 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.4 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.5 | Bright |
| 7 | 5.5 | Bright |
| 8 | 5.5 | Bright |
| 9 | 5.5 | Bright |
| 10 | 5.5 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Lethem
None of Lethem's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Lethem's monsoon runs April–August, when most of the year's rain falls.
Is September a good time to visit Lethem?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Lethem.
What to pack for Lethem in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Lethem sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.
UV index in Lethem in September
Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lethem peaks around March 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 15 | 15 | 13 | 12 | 11 | 12 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Lethem in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Lethem is worst in April — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (August, 10 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 15 | 18 | 20 | 20 | 14 | 12 | 11 | 10 | 11 | 12 | 12 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 18 | Moderate |
| Mar | 20 | Moderate |
| Apr | 20 | Moderate |
| May | 14 | Moderate |
| Jun | 12 | Moderate |
| Jul | 11 | Good |
| Aug | 10 | Good |
| Sep | 11 | Good |
| Oct | 12 | Good |
| Nov | 12 | Moderate |
| Dec | 13 | Moderate |
Where is Lethem?
Lethem sits at 3.4°N, 59.8°W, 0 m above sea level, in Guyana. The nearest listed city is Boa Vista, 115 km away.
Topography around Lethem
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lethem.
Within 3 km, the terrain around Lethem has only modest variations in elevation — a maximum elevation change of 23 m around an average of 87 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 832 m; within 80 km, large variations in elevation — a maximum elevation change of 1,000 m.
The land around Lethem is covered by grassland (79%) within 3 km, grassland (85%) within 16 km, and grassland (68%) and trees (30%) within 80 km.
Guyana travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B / D / G
- 240 V · 60 Hz
- Prices
- ≈ 33% of US
- price level, 2025
- GDP per capita
- $32,414
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2011
- Safe drinking water
- 67%
- of population, 2024
- Homicide rate
- 19.1
- per 100k, 2023
- Road deaths
- 22.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lethem (3.3726°, -59.7997°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).