September weather forecastDerbent, Russia

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Derbent, Russia, with an average temperature ranging between max 21°C (69.8°F) and min 13.5°C (56.3°F).

Temperature

Derbent records a mild change in average high-temperature during September, easing from a moderately hot 25.8°C (78.4°F) in August to a pleasant 21°C (69.8°F). September brings an average low-temperature of 13.5°C (56.3°F) to Derbent.

Humidity

In September, the average relative humidity is 69%.

Rainfall

In September, in Derbent, the rain falls for 11.5 days. Throughout September, 27mm (1.06") of precipitation is accumulated. In Derbent, during the entire year, the rain falls for 128.9 days and collects up to 372mm (14.65") of precipitation.

Snowfall

May through September are months without snowfall in Derbent.

Daylight

The average length of the day in September in Derbent is 12h and 29min.
On the first day of September in Derbent, Russia, sunrise is at 05:12 and sunset at 18:20. On the last day of the month, sunrise is at 05:43 and sunset at 17:30 MSK.

Sunshine

The average sunshine in September in Derbent is 9.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Defending against sun damage is advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

The high-temperature during September is 21°C (69.8°F) and the low-temperature is 13.5°C (56.3°F).

In September, the average relative humidity is 69%.

In Derbent, Russia, in September, it is raining for 11.5 days, with typically 27mm (1.06") of accumulated precipitation.

In Derbent, snow does not fall in May through September.

In Derbent, Russia, in September, it doesn't snow. In October, it regularly snows.

In Derbent, Russia, the average day length in September is 12h and 29min.

On the first day of September in Derbent, Russia, sunrise is at 05:12 and sunset at 18:20. On the last day of the month, sunrise is at 05:43 and sunset at 17:30 MSK.

In September, the average sunshine duration in Derbent is 9.8h.

In September, the average daily maximum UV index in Derbent, Russia, is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Derbent, Russia

  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is July (26.5°C).
The month with the lowest average high temperature is January (2.7°C).

  • Average low temperature in September: 13.5°C

The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).

Average pressure in September
Derbent, Russia

  • Average pressure in September: 1015.7mbar

The month with the highest atmospheric pressure is November (1022.3mbar).
The month with the lowest atmospheric pressure is July (1010.8mbar).

Average wind speed in September
Derbent, Russia

  • Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is September (10.8km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).

Average humidity in September
Derbent, Russia

  • Average humidity in September: 69%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are July and August (62%).

Average rainfall in September
Derbent, Russia

  • Average rainfall in September: 27mm

The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is December (17mm).

Average rainfall days in September
Derbent, Russia

  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (5.6 days).

Average snowfall in September
Derbent, Russia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (126mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Derbent, Russia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Derbent, Russia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 9h and 48min

The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).

Average sunshine days in September
Derbent, Russia

  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is December (19.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in September
Derbent, Russia

  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Derbent, Russia

  • Average cloud cover in September: 25

The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in September
Derbent, Russia

  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).