Sierra LeoneThe weather in September in Southern
It's warm in September in Southern with an average temperature of 29°C. Temperatures this month range from a low of 27°C to a high of 31°C. At night, you can expect temperatures between 23°C and 23°C.
Looking for sun? September isn’t a good month to be in Southern. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Southern, Sierra Leone. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2023, Southern reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 20°C to a highest value of 24°C.
Rainfall amount
In September, there is an average of 507 mm of precipitation, spread over 30 days. The wind speed is around 2 Bft, mostly coming from the Southwest.
Daily weather in September for Southern
Click on any day in September to get detailed info about the usual weather on that day in Southern. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Southern | New York | |
|---|---|---|
| Average temperature | 29°C | 27°C |
| Max. temperature | 31°C | 31°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 507 mm | 57 mm |
| Rainy days | 30 days | 9 days |
Start of September
The month of September starts in Southern with hot temps, averaging around 29°C during the day and nights around 23°C.
Mid September
By mid-September, daytime temps rise to around 30°C, with nights around 23°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Southern is around 30°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Southern for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Southern, Sierra Leone. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Southern
Temperature in September in Southern over the years
Precipitation charts
These charts show the average amount of precipitation in September in Southern, Sierra Leone. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Southern
Total precipitation in September in Southern over the years
Daily UV index in September in Southern
This chart shows the average daily UV index in September in Southern, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Southern
Have you been to Southern in September?
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Average weather in Southern by month
Click on a month below to see detailed weather info for Southern. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.