September weather forecast
Jerusalem, Israel

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Buildings serving as churches, temples, and mosques in Jerusalem, Israel
Buildings serving as churches, temples, and mosques in Jerusalem, Israel

Weather in September

September serves as a gateway to autumn in Jerusalem, with the city bidding farewell to the summer warmth. A notable reduction of temperatures, from the highs of the sweltering summer to the mildness of the starting autumn, takes place. A sharper deviation in September's temperature, scaling down to 31.7°C (89.1°F) from the August high at 33.4°C (92.1°F), indicates a distinct shift in season. The cooling trend progresses into October, where the transition to autumn solidifies.

Temperature

Jerusalem marks the onset of September with an average high-temperature of a still hot 31.7°C (89.1°F), subtly divergent from August's 33.4°C (92.1°F). In the month of September, an average of 21.9°C (71.4°F) marks the low-temperature.

Heat index

The heat index value for September is calculated to be a sweltering 36°C (96.8°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Jerusalem, the average relative humidity in September is 58%.

Rainfall

Months with rainfall in Jerusalem, Israel, are January through June, September through December. September is the first month it rains in Jerusalem. Throughout September, in the average 1.1 rainfall days, it receives 1mm (0.04") of precipitation. Throughout the year, in Jerusalem, Israel, there are 45.2 rainfall days, and 95mm (3.74") of precipitation is accumulated.

Snowfall

March through November are months without snowfall in Jerusalem, Israel.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of September, sunrise is at 06:14 and sunset at 19:03. On the last day of the month, sunrise is at 06:32 and sunset at 18:25 IDT.

Sunshine

The average sunshine in September in Jerusalem is 10.1h.

UV index

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 7 during September translates into the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

How hot is September in Jerusalem?

The high-temperature, in September, in Jerusalem, is 31.7°C (89.1°F), while the low-temperature averages to 21.9°C (71.4°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 36°C (96.8°F).

What is the average humidity in September in Jerusalem?

In September, the average relative humidity in Jerusalem is 58%.

When does it start raining in Jerusalem?

September is the first month it rains in Jerusalem, Israel. Throughout September, in the average 1.1 rainfall days, it receives 1mm (0.04") of precipitation.

When it does not snow in Jerusalem?

In Jerusalem, snow does not fall in March through November.

How many hours of daylight does Jerusalem have in September?

In Jerusalem, Israel, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Jerusalem?

On the first day of September in Jerusalem, Israel, sunrise is at 06:14 and sunset at 19:03. On the last day of the month, sunrise is at 06:32 and sunset at 18:25 IDT.

How many hours of sunshine does Jerusalem have in September?

In September, the average sunshine duration in Jerusalem is 10.1h.

How high is the UV index in September in Jerusalem?

In Jerusalem, Israel, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Jerusalem, Israel

Average temperature in September - Jerusalem, Israel
  • Average high temperature in September: 31.7°C

The warmest month (with the highest average high temperature) is August (33.4°C).
The month with the lowest average high temperature is January (16.4°C).

  • Average low temperature in September: 21.9°C

The month with the highest average low temperature is August (22.8°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).

Average pressure in September
Jerusalem, Israel

Average pressure in September - Jerusalem, Israel
  • Average pressure in September: 1011.4mbar

The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1007.3mbar).

Average wind speed in September
Jerusalem, Israel

Average wind speed in September - Jerusalem, Israel
  • Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is January (11.6km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

Average humidity in September
Jerusalem, Israel

Average humidity in September - Jerusalem, Israel
  • Average humidity in September: 58%

The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is May (46%).

Average rainfall in September
Jerusalem, Israel

Average rainfall in September - Jerusalem, Israel
  • Average rainfall in September: 1mm

The wettest month (with the highest rainfall) is March (20mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in September
Jerusalem, Israel

Average rainfall days in September - Jerusalem, Israel
  • Average rainfall days in September: 1.1 days

The month with the highest number of rainy days is January (7.2 days).
The month with the least rainy days is August (0.1 days).

Average snowfall in September
Jerusalem, Israel

Average snowfall in September - Jerusalem, Israel
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Jerusalem, Israel

Average snowfall days in September - Jerusalem, Israel
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Jerusalem, Israel

Average daylight in September / Average sunshine in September - Jerusalem, Israel
  • Average daylight in September: 12h and 2min

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 1min

The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).

Average sunshine days in September
Jerusalem, Israel

Average sunshine days in September - Jerusalem, Israel
  • Average sunshine days in September: 28.6 days

The month with the most sunshine days is July (30.8 days).
The month with the least sunshine days is February (20.1 days).

Average UV index in September
Jerusalem, Israel

Average UV index in September - Jerusalem, Israel
  • Average UV index in September: 7

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February and December (UV index 4).

Average cloud cover in September
Jerusalem, Israel

Average cloud cover in September - Jerusalem, Israel
  • Average cloud cover in September: 5

The month with the most cloud cover is January (Cloud cover 26).
The months with the least cloud cover are June, July and August (Cloud cover 3).

Average visibility in September
Jerusalem, Israel

Average visibility in September - Jerusalem, 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).

Jerusalem, Israel

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