September weather forecastJaafar, Tunisia

September

Weather in September

September, the first month of the autumn in Jaafar, is still a warm month, with an average temperature fluctuating between 28.6°C (83.5°F) and 22.4°C (72.3°F).

Temperature

September brings a minor shift in the average high-temperature, adjusting from a tropical 32.4°C (90.3°F) in August to a moderately hot 28.6°C (83.5°F). Throughout September, the temperature falls to an average low of 22.4°C (72.3°F).

Heat index

The heat index for September is estimated at a tropical 31°C (87.8°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The average relative humidity in September is 63%.

Rainfall

In Jaafar, during September, the rain falls for 10.4 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 120 rainfall days, and 297mm (11.69") of precipitation is accumulated.

Daylight

In September, the average length of the day in Jaafar, Tunisia, is 12h and 25min.
On the first day of September in Jaafar, sunrise is at 05:50 and sunset at 18:47. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 CET.

Sunshine

The average sunshine in September is 10.5h.

UV index

The average daily maximum UV index in September in Jaafar, Tunisia, is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

The high-temperature, in September, in Jaafar, is 28.6°C (83.5°F), while the low-temperature averages to 22.4°C (72.3°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 31°C (87.8°F).

The average relative humidity in September in Jaafar, Tunisia, is 63%.

In Jaafar, during September, the rain falls for 10.4 days and regularly aggregates up to 27mm (1.06") of precipitation.

In Jaafar, the average day length in September is 12h and 25min.

On the first day of September in Jaafar, Tunisia, sunrise is at 05:50 and sunset at 18:47. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 CET.

In Jaafar, the average sunshine duration in September is 10.5h.

The average daily maximum UV index in September in Jaafar, Tunisia, is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Jaafar, Tunisia

  • Average high temperature in September: 28.6°C

The warmest month (with the highest average high temperature) is August (32.4°C).
The month with the lowest average high temperature is January (14.8°C).

  • Average low temperature in September: 22.4°C

The month with the highest average low temperature is August (24.6°C).
The coldest month (with the lowest average low temperature) is February (8.7°C).

Average pressure in September
Jaafar, Tunisia

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1014.7mbar).

Average wind speed in September
Jaafar, Tunisia

  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest month (with the lowest average wind speed) is August (12.7km/h).

Average humidity in September
Jaafar, Tunisia

  • Average humidity in September: 63%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (53%).

Average rainfall in September
Jaafar, Tunisia

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is October (38mm).
The driest month (with the least rainfall) is July (5mm).

Average rainfall days in September
Jaafar, Tunisia

  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is January (14.2 days).
The month with the least rainy days is July (2.6 days).

Average daylight in September /
Average sunshine in September
Jaafar, Tunisia

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 10h and 30min

The month with the most sunshine is August (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in September
Jaafar, Tunisia

  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is February (12 days).

Average UV index in September
Jaafar, Tunisia

  • Average UV index in September: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in September
Jaafar, Tunisia

  • Average cloud cover in September: 17

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in September
Jaafar, Tunisia

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).