GambiaThe weather in September in Illiassa
It's hot in September in Illiassa with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 24°C and 25°C.
Looking for sun? September isn’t a good month to be in Illiassa. 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 Illiassa, Gambia. 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 40°C in 2016, Illiassa reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 27°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 21°C to a highest value of 27°C.
Rainfall amount
In September, there is an average of 248 mm of precipitation, spread over 24 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Daily weather in September for Illiassa
Click on any day in September to get detailed info about the usual weather on that day in Illiassa. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Illiassa | New York | |
|---|---|---|
| Average temperature | 34°C | 27°C |
| Max. temperature | 35°C | 31°C |
| Min. temperature | 24°C | -5°C |
| Total precipitation | 248 mm | 57 mm |
| Rainy days | 24 days | 9 days |
Start of September
The month of September starts in Illiassa with hot temps, averaging around 34°C during the day and nights around 25°C.
Mid September
By mid-September, daytime temps stay steady at around 34°C, with nights around 25°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Illiassa is around 35°C, while nighttime temps are about 25°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 Illiassa for all months and discover the best travel time
Curious about the weather in other parts of Gambia? Check out the climate and weather for spots like Banjul, Kololi, or explore other destinations in Gambia.
Temperature charts
These charts show the average temperatures in September in Illiassa, Gambia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Illiassa
Temperature in September in Illiassa over the years
Precipitation charts
These charts show the average amount of precipitation in September in Illiassa, Gambia. 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 Illiassa
Total precipitation in September in Illiassa over the years
Daily UV index in September in Illiassa
This chart shows the average daily UV index in September in Illiassa, 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 Illiassa
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Average weather in Illiassa by month
Click on a month below to see detailed weather info for Illiassa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.