Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's onset, the average high-temperature recedes from August's fiery hot 35.2°C (95.4°F) to a moderately hot 29.7°C (85.5°F). Bou Salem records an average temperature drop to an enjoyable 19.9°C (67.8°F) in September.Heat index
The heat index value during September is evaluated at a hot 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in September is 56%.Rainfall
In Bou Salem, Tunisia, during September, the rain falls for 7.6 days and regularly aggregates up to 18mm (0.71") of precipitation. In Bou Salem, during the entire year, the rain falls for 116 days and collects up to 286mm (11.26") of precipitation.Snowfall
In Bou Salem, snow does not fall in January, March through December.Daylight
In September, the average length of the day in Bou Salem is 12h and 25min.On the first day of September, sunrise is at 05:55 and sunset at 18:52. On the last day of the month, sunrise is at 06:18 and sunset at 18:08 CET.
Sunshine
In September, the average sunshine in Bou Salem, Tunisia, is 9.6h.UV index
The average daily maximum UV index in September in Bou Salem, Tunisia, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
How hot does it get in Bou Salem in September?
What is the average humidity in September in Bou Salem?
How many days does it rain in September in Bou Salem?
When it does not snow in Bou Salem?
What is the average length of the day in September in Bou Salem?
When are sunrise and sunset in September in Bou Salem?
How long on average sun shines in September in Bou Salem?
What is the UV index intensity in September in Bou Salem?
Average temperature in September
Bou Salem, Tunisia
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is July (35.5°C).
The month with the lowest average high temperature is January (13.6°C).
- Average low temperature in September: 19.9°C
The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Bou Salem, Tunisia
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Bou Salem, Tunisia
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).
Average humidity in September
Bou Salem, Tunisia
- Average humidity in September: 56%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (42%).
Average rainfall in September
Bou Salem, Tunisia
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is March (40mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in September
Bou Salem, Tunisia
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is July (2.9 days).
Average snowfall days in September
Bou Salem, Tunisia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Bou Salem, Tunisia
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Bou Salem, Tunisia
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Bou Salem, 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 and December (UV index 3).
Average cloud cover in September
Bou Salem, Tunisia
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in September
Bou Salem, Tunisia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Bou Salem, Tunisia
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