September weather forecastIrdyn', Ukraine

September

Weather in September

September, the first month of the autumn in Irdyn', is still a pleasant month, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 20.9°C (69.6°F).

Temperature

The decrease of average high-temperatures is mild in September, with a decline from a warm 27°C (80.6°F) in August to a pleasant 20.9°C (69.6°F). Irdyn''s temperature tends to fall to an average low of 11.4°C (52.5°F) during the nights of September.

Humidity

The average relative humidity in September in Irdyn' is 63%.

Rainfall

In Irdyn', in September, it is raining for 9.1 days, with typically 24mm (0.94") of accumulated precipitation. In Irdyn', during the entire year, the rain falls for 126.5 days and collects up to 373mm (14.69") of precipitation.

Snowfall

In Irdyn', snow does not fall in May through September.

Daylight

In Irdyn', the average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 06:10 and sunset at 19:36. On the last day of September, in Irdyn', sunrise is at 06:52 and sunset at 18:34 EEST.

Sunshine

The average sunshine in September in Irdyn' is 9.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

The high-temperature during September is 20.9°C (69.6°F) and the low-temperature is 11.4°C (52.5°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 28°C (82.4°F).

The average relative humidity in September in Irdyn' is 63%.

In September, the rain falls for 9.1 days. Throughout September, 24mm (0.94") of precipitation is accumulated.

In Irdyn', snow does not fall in May through September.

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

In Irdyn', the average day length in September is 12h and 36min.

On the first day of September, sunrise is at 06:10 and sunset at 19:36. On the last day of the month, sunrise is at 06:52 and sunset at 18:34 EEST.

The average sunshine duration in September is 9.3h.

In Irdyn', the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Irdyn', Ukraine

  • Average high temperature in September: 20.9°C

The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (-1.9°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is July (16.4°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).

Average pressure in September
Irdyn', Ukraine

  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is November (1020.7mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).

Average wind speed in September
Irdyn', Ukraine

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

Average humidity in September
Irdyn', Ukraine

  • Average humidity in September: 63%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (57%).

Average rainfall in September
Irdyn', Ukraine

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is May (63mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Irdyn', Ukraine

  • Average rainfall days in September: 9.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.3 days).

Average snowfall in September
Irdyn', Ukraine

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (132mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Irdyn', Ukraine

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.6 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
Irdyn', Ukraine

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 9h and 18min

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in September
Irdyn', Ukraine

  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in September
Irdyn', Ukraine

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in September
Irdyn', Ukraine

  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Irdyn', Ukraine

  • Average visibility in September: 10km

The months with the highest visibility are April, June, July, August and September (10km).
The month with the lowest visibility is January (7km).