September weather forecastGefen, Israel
September
Weather in September
September, the first month of the autumn in Gefen, is still a warm month, with an average temperature varying between 29°C (84.2°F) and 23.6°C (74.5°F).Temperature
September commences with an average high-temperature of a warm 29°C (84.2°F), showing little deviation from August's 30.3°C (86.5°F). Gefen temperatures generally rest at a low of 23.6°C (74.5°F) during the September nights.Heat index
The average heat index in September is evaluated at a tropical 32°C (89.6°F). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.Heat index determinations are made taking into account the shade and light air movements. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity is 67%.Rainfall
January through June, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 2.3 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 79.3 rainfall days, and 299mm (11.77") of precipitation is accumulated.Daylight
In September, the average length of the day in Gefen is 12h and 22min.On the first day of September, sunrise is at 06:16 and sunset at 19:04. On the last day of the month, sunrise is at 06:33 and sunset at 18:26 IDT.
Sunshine
In Gefen, the average sunshine in September is 10.2h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 7 in September translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gefen, Israel
- Average high temperature in September: 29°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (17.3°C).
- Average low temperature in September: 23.6°C
The month with the highest average low temperature is August (24.5°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).
Average pressure in September
Gefen, Israel
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1007.5mbar).
Average wind speed in September
Gefen, Israel
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Gefen, Israel
- Average humidity in September: 67%
The months with the highest relative humidity are July and August (69%).
The month with the lowest relative humidity is November (56%).
Average rainfall in September
Gefen, Israel
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (77mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Gefen, Israel
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is January (14.1 days).
The month with the least rainy days is August (0.6 days).
Average daylight in September /
Average sunshine in September
Gefen, Israel
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 10h and 12min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Gefen, Israel
- Average sunshine days in September: 26 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is January (14.3 days).
Average UV index in September
Gefen, Israel
- Average UV index in September: 7
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 4).
Average cloud cover in September
Gefen, Israel
- Average cloud cover in September: 7
The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Gefen, Israel
- 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).
