September weather forecastTmassah, Libya
September
Weather in September
The first month of the autumn, September, is still a torrid month in Tmassah, Libya, with an average temperature varying between 36.3°C (97.3°F) and 26.4°C (79.5°F).Temperature
Tmassah's weather in September indicates an average high-temperature of a still sweltering 36.3°C (97.3°F), nearly consistent with the 37.9°C (100.2°F) of August. Tmassah encounters a steady low-temperature average of 26.4°C (79.5°F) throughout the month of September.Humidity
The average relative humidity in September is 22%.Rainfall
Months with rainfall in Tmassah are January through June, September through December. September is the first month it rains in Tmassah, Libya. Throughout September, in the average 0.7 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, in Tmassah, there are 18.6 rainfall days, and 26mm (1.02") of precipitation is accumulated.Daylight
In Tmassah, the average length of the day in September is 12h and 19min.On the first day of the month, sunrise is at 06:36 and sunset at 19:16. On the last day of September, in Tmassah, sunrise is at 06:49 and sunset at 18:44 EET.
Sunshine
The months with the most sunshine in Tmassah are July through September, with an average of 10h of sunshine.UV index
In Tmassah, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tmassah, Libya
- Average high temperature in September: 36.3°C
The warmest months (with the highest average high temperature) are June and July (38.3°C).
The month with the lowest average high temperature is January (17.9°C).
- Average low temperature in September: 26.4°C
The month with the highest average low temperature is June (28°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).
Average pressure in September
Tmassah, Libya
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is December (1021.7mbar).
The months with the lowest atmospheric pressure are June and July (1012.1mbar).
Average wind speed in September
Tmassah, Libya
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is May (18.7km/h).
The calmest month (with the lowest average wind speed) is December (13.2km/h).
Average humidity in September
Tmassah, Libya
- Average humidity in September: 22%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Tmassah, Libya
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is October (6mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Tmassah, Libya
- Average rainfall days in September: 0.7 days
The months with the highest number of rainy days are April and May (3.6 days).
The month with the least rainy days is July (0 days).
Average daylight in September /
Average sunshine in September
Tmassah, Libya
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are July, August and September (Average sunshine: 10h and 0min).
The months with the least sunshine are November and December (Average sunshine: 9h and 30min).
Average sunshine days in September
Tmassah, Libya
- Average sunshine days in September: 29 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is April (26.1 days).
Average UV index in September
Tmassah, Libya
- Average UV index in September: 7
The months with the highest UV index are May, June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Tmassah, Libya
- Average cloud cover in September: 5
The months with the most cloud cover are April, May, November and December (Cloud cover 12).
The months with the least cloud cover are July and August (Cloud cover 2).
Average visibility in September
Tmassah, Libya
- 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).





