Vieux Fort weather in September
In September, Vieux Fort sees average daytime highs of 29°C and overnight lows near 26°C, with 117 mm of rain across 19.4 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°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 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Vieux Fort's 11th-clearest and 12th-windiest month. For the whole year in context, see Vieux Fort's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 26°
- 12th coldest
- Rainfall
- 117 mm
- 19.4 wet days
- Daylight
- 12 h 06 min
- 5:56 AM – 6:00 PM
- Cloud cover
- 63%
- 11th clearest
- Wind
- 17 km/h
- 12th windiest
- Solar energy
- 5.92 kWh/m²
- Travel score
- 4.2
- out of 10
Vieux Fort is town in Saint Lucia.
- Founded
- 1750
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 29°C through the month.
A typical September day in Vieux Fort reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 26 |
| 2 | 29 | 26 |
| 3 | 29 | 26 |
| 4 | 29 | 26 |
| 5 | 29 | 26 |
| 6 | 29 | 26 |
| 7 | 29 | 26 |
| 8 | 29 | 26 |
| 9 | 29 | 26 |
| 10 | 29 | 26 |
| 11 | 29 | 26 |
| 12 | 29 | 26 |
| 13 | 29 | 26 |
| 14 | 29 | 26 |
| 15 | 29 | 26 |
| 16 | 29 | 26 |
| 17 | 29 | 26 |
| 18 | 29 | 26 |
| 19 | 29 | 26 |
| 20 | 29 | 26 |
| 21 | 29 | 26 |
| 22 | 29 | 26 |
| 23 | 29 | 26 |
| 24 | 29 | 26 |
| 25 | 29 | 26 |
| 26 | 29 | 26 |
| 27 | 29 | 26 |
| 28 | 29 | 26 |
| 29 | 29 | 26 |
| 30 | 29 | 26 |
How September really feels in Vieux Fort
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.
Vieux Fort weather by month
How September compares with the rest of the year at a glance. September is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 24° | 33 | 11.8 | 11.3 | 6.6 |
| Feb | 27° / 24° | 21 | 8.2 | 11.5 | 7.0 |
| Mar | 27° / 24° | 26 | 9 | 11.9 | 6.8 |
| Apr | 28° / 25° | 36 | 10.3 | 12.3 | 6.2 |
| May | 29° / 26° | 43 | 11.6 | 12.6 | 5.5 |
| Jun | 29° / 26° | 72 | 15.3 | 12.8 | 4.8 |
| Jul | 29° / 26° | 98 | 20.3 | 12.7 | 4.5 |
| Aug | 29° / 26° | 119 | 21.7 | 12.5 | 4.2 |
| Sep | 29° / 26° | 117 | 19.4 | 12.1 | 4.2 |
| Oct | 29° / 26° | 136 | 21.2 | 11.7 | 4.2 |
| Nov | 28° / 25° | 107 | 18.8 | 11.4 | 4.8 |
| Dec | 28° / 25° | 43 | 13 | 11.2 | 6.2 |
Cloud cover in September
The sky is clear or mostly clear about 31% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 55%. Skies tend to cloud over 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 (%) | 55 | 54 | 54 | 54 | 53 | 52 | 51 | 50 | 49 | 49 | 47 | 46 | 46 | 45 | 44 | 43 | 43 | 42 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 41 | 40 | 39 | 40 | 38 |
| Cloudier (%) | 45 | 46 | 46 | 46 | 47 | 48 | 49 | 50 | 51 | 51 | 53 | 54 | 54 | 55 | 56 | 57 | 57 | 58 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 59 | 60 | 61 | 60 | 62 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 55 | 45 |
| 2 | 54 | 46 |
| 3 | 54 | 46 |
| 4 | 54 | 46 |
| 5 | 53 | 47 |
| 6 | 52 | 48 |
| 7 | 51 | 49 |
| 8 | 50 | 50 |
| 9 | 49 | 51 |
| 10 | 49 | 51 |
| 11 | 47 | 53 |
| 12 | 46 | 54 |
| 13 | 46 | 54 |
| 14 | 45 | 55 |
| 15 | 44 | 56 |
| 16 | 43 | 57 |
| 17 | 43 | 57 |
| 18 | 42 | 58 |
| 19 | 41 | 59 |
| 20 | 41 | 59 |
| 21 | 41 | 59 |
| 22 | 41 | 59 |
| 23 | 40 | 60 |
| 24 | 40 | 60 |
| 25 | 40 | 60 |
| 26 | 41 | 59 |
| 27 | 40 | 60 |
| 28 | 39 | 61 |
| 29 | 40 | 60 |
| 30 | 38 | 62 |
Chance of precipitation in September
Vieux Fort gets around 117 mm of rain over 19.4 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 65% and peaks near 69% on the wettest days.
| 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 (%) | 64 | 63 | 63 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 69 | 69 |
| Rain chance (%) | |
|---|---|
| 1 | 64 |
| 2 | 63 |
| 3 | 63 |
| 4 | 62 |
| 5 | 62 |
| 6 | 62 |
| 7 | 63 |
| 8 | 63 |
| 9 | 63 |
| 10 | 63 |
| 11 | 63 |
| 12 | 64 |
| 13 | 64 |
| 14 | 64 |
| 15 | 64 |
| 16 | 64 |
| 17 | 65 |
| 18 | 65 |
| 19 | 65 |
| 20 | 66 |
| 21 | 66 |
| 22 | 66 |
| 23 | 66 |
| 24 | 67 |
| 25 | 67 |
| 26 | 67 |
| 27 | 68 |
| 28 | 68 |
| 29 | 69 |
| 30 | 69 |
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 74% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 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 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 76 | 76 | 77 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 75 | 75 | 75 | 74 |
| Miserable (%) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 72 | 28 |
| 2 | 0 | 72 | 28 |
| 3 | 0 | 72 | 28 |
| 4 | 0 | 72 | 28 |
| 5 | 0 | 72 | 28 |
| 6 | 0 | 72 | 28 |
| 7 | 0 | 72 | 28 |
| 8 | 0 | 72 | 28 |
| 9 | 0 | 73 | 27 |
| 10 | 0 | 73 | 27 |
| 11 | 0 | 73 | 27 |
| 12 | 0 | 74 | 26 |
| 13 | 0 | 74 | 26 |
| 14 | 0 | 75 | 25 |
| 15 | 0 | 75 | 25 |
| 16 | 0 | 76 | 24 |
| 17 | 0 | 76 | 24 |
| 18 | 0 | 76 | 24 |
| 19 | 0 | 77 | 23 |
| 20 | 1 | 76 | 23 |
| 21 | 1 | 76 | 23 |
| 22 | 1 | 76 | 23 |
| 23 | 1 | 76 | 23 |
| 24 | 1 | 76 | 23 |
| 25 | 1 | 76 | 23 |
| 26 | 1 | 76 | 23 |
| 27 | 1 | 75 | 24 |
| 28 | 1 | 75 | 24 |
| 29 | 1 | 75 | 24 |
| 30 | 1 | 74 | 25 |
Wind in September
Winds average 17 km/h in September, the calmest month.
Across September, daily wind ranges from about 17 km/h on the calmest days to 18 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) | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 18 | light breeze |
| 2 | 18 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 18 | light breeze |
| 28 | 18 | light breeze |
| 29 | 18 | light breeze |
| 30 | 18 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 18 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 24 minutes over September. Sunrise moves from 5:55 AM to 5:56 AM, and sunset from 6:12 PM to 5:50 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) | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 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 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 5:55 | 5:55 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 |
| Sunset (PM) | 6:12 | 6:11 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:06 | 6:06 | 6:05 | 6:04 | 6:03 | 6:03 | 6:02 | 6:01 | 6:00 | 6:00 | 5:59 | 5:58 | 5:57 | 5:57 | 5:56 | 5:55 | 5:54 | 5:54 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 5:55 | 6:12 |
| 2 | 12.3 | 5:55 | 6:11 |
| 3 | 12.2 | 5:56 | 6:10 |
| 4 | 12.2 | 5:56 | 6:09 |
| 5 | 12.2 | 5:56 | 6:09 |
| 6 | 12.2 | 5:56 | 6:08 |
| 7 | 12.2 | 5:56 | 6:07 |
| 8 | 12.2 | 5:56 | 6:06 |
| 9 | 12.2 | 5:56 | 6:06 |
| 10 | 12.2 | 5:56 | 6:05 |
| 11 | 12.1 | 5:56 | 6:04 |
| 12 | 12.1 | 5:56 | 6:03 |
| 13 | 12.1 | 5:56 | 6:03 |
| 14 | 12.1 | 5:56 | 6:02 |
| 15 | 12.1 | 5:56 | 6:01 |
| 16 | 12.1 | 5:56 | 6:00 |
| 17 | 12.1 | 5:56 | 6:00 |
| 18 | 12.0 | 5:56 | 5:59 |
| 19 | 12.0 | 5:56 | 5:58 |
| 20 | 12.0 | 5:56 | 5:57 |
| 21 | 12.0 | 5:56 | 5:57 |
| 22 | 12.0 | 5:56 | 5:56 |
| 23 | 12.0 | 5:56 | 5:55 |
| 24 | 12.0 | 5:56 | 5:54 |
| 25 | 12.0 | 5:56 | 5:54 |
| 26 | 11.9 | 5:56 | 5:53 |
| 27 | 11.9 | 5:56 | 5:52 |
| 28 | 11.9 | 5:56 | 5:51 |
| 29 | 11.9 | 5:56 | 5:51 |
| 30 | 11.9 | 5:56 | 5:50 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.92 kWh/m².
For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.61 kWh/m² in April across the year — September's 5.92 kWh/m² falls in the middle.
| 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) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | 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 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.1 | Intense |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Bright |
| 12 | 6.0 | Bright |
| 13 | 6.0 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.8 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.8 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
Hazard calendar for Vieux Fort
In September, Vieux Fort sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Vieux Fort sits in the Atlantic hurricane belt; the season peaks August–October.
Vieux Fort's rainy season runs June–November, when most of the year's rain falls.
Vieux Fort sees seasonal dust haze (June–July), heaviest in June.
Is September a good time to visit Vieux Fort?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Vieux Fort for sightseeing.
What to pack for Vieux Fort in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Vieux Fort sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.
Sea temperature near Vieux Fort in September
The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in September at about 29°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Vieux Fort 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 Vieux Fort peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).
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) | 10 | 12 | 14 | 13 | 12 | 11 | 12 | 11 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Vieux Fort 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 Vieux Fort is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 12 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) | 12 | 15 | 14 | 17 | 21 | 32 | 26 | 21 | 15 | 18 | 14 | 12 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 15 | Moderate |
| Mar | 14 | Moderate |
| Apr | 17 | Moderate |
| May | 21 | Moderate |
| Jun | 32 | Moderate |
| Jul | 26 | Moderate |
| Aug | 21 | Moderate |
| Sep | 15 | Moderate |
| Oct | 18 | Moderate |
| Nov | 14 | Moderate |
| Dec | 12 | Good |
Where is Vieux Fort?
Vieux Fort sits at 13.7°N, 61.0°W, 0 m above sea level, in Saint Lucia. The nearest listed city is Soufriere, 19 km away.
Topography around Vieux Fort
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vieux Fort.
Within 3 km, the terrain around Vieux Fort has only modest variations in elevation — a maximum elevation change of 205 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 648 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.
The land around Vieux Fort is covered by water (74%) within 3 km, water (75%) and trees (22%) within 16 km, and water (92%) within 80 km.
Saint Lucia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / G
- 240 V · 50 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $14,746
- 2025
- Homicide rate
- 39
- per 100k, 2023
- Road deaths
- 29.8
- per 100k/yr, 2019
- Income group
- Upper middle
- 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 Vieux Fort (13.7167°, -60.95°, 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).