Saint Lucia Weather in September: Temperature, Precipitation, Wind

Temperature
29°C
84.1°F
High temperature
32.3°C
90.1°F
Low temperature
25.9°C
78.6°F
Feels like
34°C
93.1°F
Rainy days
25 days
Rainfall level
4.51mm
0.18 inch
Cloud coverage
47.2%
Wind speed
21.2km/h
13.1mph
Daylight time
12:12:21
UV index
4.5
1
rain
28.0°C
82.0°F
2
rain
28.8°C
84.0°F
3
rain
29.4°C
85.0°F
4
partly cloudy day
29.2°C
85.0°F
5
rain
29.3°C
85.0°F
6
rain
29.3°C
85.0°F
7
rain
29.3°C
85.0°F
8
rain
28.1°C
83.0°F
9
rain
28.9°C
84.0°F
10
partly cloudy day
29.3°C
85.0°F
11
partly cloudy day
29.7°C
85.0°F
12
partly cloudy day
29.4°C
85.0°F
13
partly cloudy day
29.3°C
85.0°F
14
partly cloudy day
30.0°C
86.0°F
15
rain
29.0°C
84.0°F
16
rain
29.1°C
84.0°F
17
rain
28.7°C
84.0°F
18
partly cloudy day
29.0°C
84.0°F
19
partly cloudy day
29.1°C
84.0°F
20
rain
28.8°C
84.0°F
21
rain
28.0°C
82.0°F
22
rain
29.3°C
85.0°F
23
rain
29.8°C
86.0°F
24
rain
28.6°C
83.0°F
25
rain
29.5°C
85.0°F
26
rain
29.2°C
85.0°F
27
rain
27.5°C
82.0°F
28
rain
28.1°C
83.0°F
29
partly cloudy day
28.6°C
83.0°F
30
rain
28.4°C
83.0°F

In September, Saint Lucia experiences warm and wet weather, with an average temperature of 29.0°C (84.2°F). Temperatures typically range from a daily minimum of 25.9°C (78.6°F) to a daily maximum of 32.3°C (90.1°F), though it can feel as hot as 41.0°C (105.9°F) at times and as cool as 26.4°C (79.6°F). September is one of the wettest months of the year in Saint Lucia, with an average precipitation of 4.51 mm (0.18 inches) and a high chance of rain on most days, around 70.0%. There are typically 25 days with some rainfall during the month. The most common type of precipitation is rain, which falls on around 6.0% of all days. The island nation of Saint Lucia benefits from a short dry season lasting from January to April, during which rainfall is significantly lower than the rest of the year. Winds are moderate to strong in September, with an average speed of 21.2 km/h (13.2 mph) and gusts of up to 25.0 km/h (15.5 mph). The average humidity is relatively high at 79.2%, and there is an average cloud cover of 47.2%. Visibility is generally good, with an average of 13.1 km (8.1 miles). The average UV index is 4.5, indicating a moderate risk of harm from unprotected sun exposure. The severe weather risk is 43.3 out of 100, which is considered moderate.

What is the temperature in Saint Lucia in September?

Average air temperature in Saint Lucia is 29°C (84.1°F) in September. The outside temperature in Saint Lucia feels like 34°C (93.1°F) on a typical September day. The highest average temperature during sunny days is 32.3°C (90.1°F) and feels like 41°C (105.9°F). The lowest average temperature after dark is 25.9°C (78.6°F) which feels like 26.4°C (79.6°F).

How hot is Saint Lucia in September?

The hot temperature in September in Saint Lucia rises to 34°C (93.2°F) on sunny days with low cloud coverage and 79.2% humidity. During hottest days of September it feels like 44.4 °C (111.9°F). The average maximum temp in Saint Lucia is 32.3°C (111.9°F) during day time in September.

How cold is Saint Lucia in September?

The coldest temp in Saint Lucia in September drops to 24.7°C (76.5°F) during the cold nights. With 21.2km/h (13.1mph) winds and 79.2% humidity it feels like 24.7°C (76.5°F) on the coldest nights. The average minimum temperature is 25.9°C (78.6°F) during night time in September.

Does it rain in Saint Lucia in September?

Yes, it rains for 25 days in Saint Lucia in September averaging 4.51 mm of precipitation. Saint Lucia has a 70% chance for rain throughout the entire month of September.

How much does it rain in Saint Lucia throughout September?

Saint Lucia has 4.51 mm (0.18 inch) of rain per day on average in September. It rains for an average of 25 days out of the entire month.

Is Saint Lucia windy in September?

The average speed of wind in Saint Lucia during September is 21.2km/h (13.1mph) and average windgust is 25km/h (15.5mph). On some days in September wind can reach up to 31.3km/h (19.4mph).

What is the direction of the wind in Saint Lucia in September?

Most days of September the wind is blowing from Southeast direction in Saint Lucia.

What are the humidity levels in Saint Lucia in September?

The average humidity levels in Saint Lucia in September are 79.2%. Daily humidity levels in Saint Lucia range from 72.8% to 87.8% during September.

How many hours of daylight are in Saint Lucia in September?

Saint Lucia has 12 hours 12 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Saint Lucia in September is at 5:52:47 and the sunset is at 18:05:09.

What is the cloud coverage in Saint Lucia in September?

Clouds cover 47.2% of the sky on average throughout September in Saint Lucia. The cloud coverage ranges from 34.7% to 67.9% depending on the day of the month.

What is the UV level in September in Saint Lucia?

The average UV index in Saint Lucia is 4.5 in September. UV levels change throughout the month and range from 0 to 10.

What is the solar radiation in Saint Lucia in September?

The average solar radiation is 28.4 W/m2 (Watts per square meter) in Saint Lucia during September. However solar radiation levels change throughout the month and range from 0 W/m2 to 87.8 W/m2.

What is the solar energy during September in Saint Lucia?

The average solar energy during September in Saint Lucia is 2.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 0 MJ/m2, to 7.6 MJ/m2 during September.

Are there severe weather risks in Saint Lucia in September?

Yes, there is a 43.3% risk for severe weather in Saint Lucia in September.

What is the air pressure in Saint Lucia in September?

On average the air pressure in Saint Lucia in September is 1012.1 mb (millibars). Throughout the month the sea level pressure ranges from 1009.2 mb to 1014.5 mb.

What is the visibility in Saint Lucia in September?

The average daylight visibility in Saint Lucia in September is 13.1 km (8.1 miles). Depending on the precipitation the visibility ranges from 11.2 km (7 miles) to 15.3 km (9.5 miles) throughout September.

What is the dew point in Saint Lucia in September?

The average dew point in Saint Lucia during September is 24.9°C (76.8°F).

Where is the data for Saint Lucia climate in September coming from?

The climate data for Saint Lucia in September is collected from the following weather stations.

  • MARTINIQUE AIME CESAIRE INTERNATIONAL AIRPORT, MB
  • GEORGE F L CHARLES AIRPORT, ST
  • HEWANORRA INTERNATIONAL AIRPORT, ST
  • FM1HN Fort de France MQ
  • TFFF
  • TLPC
  • TLPL