September weather forecast
Nir David, Israel

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Weather in September

In September, Nir David sees the start of the gradual retreat of summer. Although initially the city remains ardently hot, the end of September marks the beginning of a notable moderation. Nearing the transition stage, the atmospheric pressure rises compared from August. September also witnesses the re-emergence of rainfall with a slight increase to 2mm (0.08"). The weather hence creates a balanced environment, preparing for the shift towards autumn.

Temperature

September commences with an average high-temperature of a still tropical 31.8°C (89.2°F), showing little deviation from August's 33.7°C (92.7°F). During September, Nir David consistently records a temperature low averaging a pleasant 22.1°C (71.8°F).

Heat index

Throughout September, the heat index is computed to be a very hot 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

In September, the average relative humidity is 61%.

Rainfall

Months with rainfall are January through June, September through December. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 2mm (0.08") of precipitation. In Nir David, during the entire year, the rain falls for 71.8 days and collects up to 215mm (8.46") of precipitation.

Daylight

In Nir David, the average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 06:13 and sunset at 19:02. On the last day of September, sunrise is at 06:31 and sunset at 18:24 IDT.

Sunshine

In September, the average sunshine is 10.1h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 7 translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

How hot is September?

An average high-temperature, in September, in Nir David, is 31.8°C (89.2°F) and the average low-temperature is 22.1°C (71.8°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 37°C (98.6°F).

What is the average humidity in September?

The average relative humidity in September is 61%.

When does it start raining?

September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 2mm (0.08") of precipitation.

What is the average length of the day in September?

In Nir David, the average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 06:13 and sunset at 19:02. On the last day of the month, sunrise is at 06:31 and sunset at 18:24 IDT.

How many hours of sunshine does Nir David have in September?

The average sunshine duration in September in Nir David is 10.1h.

What are the months with the highest UV index?

May through September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in September in Nir David?

In Nir David, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in September
Nir David, Israel

Average temperature in September - Nir David, Israel
  • Average high temperature in September: 31.8°C

The warmest month (with the highest average high temperature) is August (33.7°C).
The month with the lowest average high temperature is January (17.1°C).

  • Average low temperature in September: 22.1°C

The month with the highest average low temperature is August (23.3°C).
The coldest months (with the lowest average low temperature) are January and February (9.8°C).

Average pressure in September
Nir David, Israel

Average pressure in September - Nir David, Israel
  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).

Average wind speed in September
Nir David, Israel

Average wind speed in September - Nir David, Israel
  • Average wind speed in September: 9.3km/h

The windiest month (with the highest average wind speed) is January (11.4km/h).
The calmest month (with the lowest average wind speed) is October (8.9km/h).

Average humidity in September
Nir David, Israel

Average humidity in September - Nir David, Israel
  • Average humidity in September: 61%

The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is November (51%).

Average rainfall in September
Nir David, Israel

Average rainfall in September - Nir David, Israel
  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is December (54mm).
The driest months (with the least rainfall) are July and August (0mm).

Average rainfall days in September
Nir David, Israel

Average rainfall days in September - Nir David, Israel
  • Average rainfall days in September: 2.5 days

The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (0.8 days).

Average daylight in September /
Average sunshine in September
Nir David, Israel

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 10h and 1min

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 24min).

Average sunshine days in September
Nir David, Israel

Average sunshine days in September - Nir David, Israel
  • Average sunshine days in September: 26.2 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is February (17.6 days).

Average UV index in September
Nir David, Israel

Average UV index in September - Nir David, Israel
  • Average UV index in September: 7

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

Average cloud cover in September
Nir David, Israel

Average cloud cover in September - Nir David, Israel
  • Average cloud cover in September: 9

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June, July and August (Cloud cover 8).

Average visibility in September
Nir David, Israel

Average visibility in September - Nir David, 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).

Nir David, Israel

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