September weather forecastBum, Azerbaijan

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Bum, Azerbaijan, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 8.9°C (48°F).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 24.1°C (75.4°F) in August to an enjoyable 19.3°C (66.7°F). Throughout September, the nighttime temperature averages to a frosty 8.9°C (48°F).

Humidity

In September, the average relative humidity in Bum is 63%.

Rainfall

The months with the least rainfall in Bum are September and December Rain falls for 8 days and accumulates 16mm (0.63") of rain.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Bum, Azerbaijan, is 12h and 28min.
On the first day of the month, sunrise is at 06:16 and sunset at 19:21. On the last day of September, in Bum, sunrise is at 06:44 and sunset at 18:32 +04.

Sunshine

In Bum, the average sunshine in September is 9.4h.

UV index

In Bum, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 during September translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

The high-temperature during September is 19.3°C (66.7°F) and the low-temperature is 8.9°C (48°F).

In September, the average relative humidity in Bum is 63%.

The months with the least rainfall are September and December Rain falls for 8 days and accumulates 16mm (0.63") of rain.

In Bum, Azerbaijan, in September, it is raining for 8 days, with typically 16mm (0.63") of accumulated precipitation.

May through September are months without snowfall in Bum.

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

In Bum, the average day length in September is 12h and 28min.

On the first day of September, sunrise is at 06:16 and sunset at 19:21. On the last day of the month, sunrise is at 06:44 and sunset at 18:32 +04.

In September, the average sunshine duration in Bum is 9.4h.

The average daily maximum UV index in September in Bum is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Bum, Azerbaijan

  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (25.4°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is July (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-6.3°C).

Average pressure in September
Bum, Azerbaijan

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is November (1022.4mbar).
The month with the lowest atmospheric pressure is July (1010.5mbar).

Average wind speed in September
Bum, Azerbaijan

  • Average wind speed in September: 6.9km/h

The windiest month (with the highest average wind speed) is March (8.5km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).

Average humidity in September
Bum, Azerbaijan

  • Average humidity in September: 63%

The month with the highest relative humidity is February (75%).
The month with the lowest relative humidity is July (55%).

Average rainfall in September
Bum, Azerbaijan

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is May (50mm).
The driest months (with the least rainfall) are September and December (16mm).

Average rainfall days in September
Bum, Azerbaijan

  • Average rainfall days in September: 8 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is August (5.9 days).

Average snowfall in September
Bum, Azerbaijan

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (183mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bum, Azerbaijan

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.7 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
Bum, Azerbaijan

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 9h and 24min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The months with the least sunshine are January, November and December (Average sunshine: 6h and 42min).

Average sunshine days in September
Bum, Azerbaijan

  • Average sunshine days in September: 19 days

The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in September
Bum, Azerbaijan

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Bum, Azerbaijan

  • Average cloud cover in September: 19

The month with the most cloud cover is February (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in September
Bum, Azerbaijan

  • Average visibility in September: 10km

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