September weather forecast
Olaine, Latvia

englishespañol中文
Share

Weather in September

September acts as a bridge between summer and autumn in Olaine, Latvia. Following the warm August, temperatures begin their downward trend. October promises a sharper dip into autumnal weather. Significant cloud cover often softens the sunlight's intensity, while prolonged daylight hours persist, albeit in gradual decrease. With the onset of fall, the cityscape transitions into a palette of oranges and browns, enhancing the beauty and charm of Olaine.

Temperature

Olaine's weather changes with the onset of September, slightly falling from an agreeable 22.3°C (72.1°F) in August to a refreshing 17.2°C (63°F). Olaine registers a consistent average low-temperature of 9.5°C (49.1°F) during September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Olaine, in September, during 11.6 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 139.1 rainfall days, and 347mm (13.66") of precipitation is accumulated.

Snowfall

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

Daylight

In Olaine, the average length of the day in September is 12h and 46min.
On the first day of the month, sunrise is at 06:28 and sunset at 20:20. On the last day of September, in Olaine, sunrise is at 07:26 and sunset at 19:01 EEST.

Sunshine

In Olaine, the average sunshine in September is 7.9h.

UV index

The average daily maximum UV index in September in Olaine is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What is the average September temperature in Olaine?

The high-temperature in Olaine, Latvia, during September is 17.2°C (63°F) and the low-temperature is 9.5°C (49.1°F).

What is the average humidity in September in Olaine?

In Olaine, the average relative humidity in September is 79%.

How many days does it rain in September in Olaine?

In Olaine, Latvia, in September, it is raining for 11.6 days, with typically 27mm (1.06") of accumulated precipitation.

When it does not snow in Olaine?

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

Does it snow in Olaine in September?

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

How many hours of daylight does Olaine have in September?

In September, the average day length in Olaine, Latvia, is 12h and 46min.

When is the sunrise / sunset in September in Olaine?

In September, on the first day of the month, sunrise is at 06:28 and sunset at 20:20. On the last day of the month, in Olaine, Latvia, sunrise is at 07:26 and sunset at 19:01 EEST.

How long on average sun shines in September in Olaine?

In Olaine, the average sunshine duration in September is 7.9h.

How high is the UV index in September in Olaine?

In September, the average daily maximum UV index in Olaine is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Olaine, Latvia

Average temperature in September - Olaine, Latvia
  • Average high temperature in September: 17.2°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-1.9°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in September
Olaine, Latvia

Average pressure in September - Olaine, Latvia
  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

Average wind speed in September
Olaine, Latvia

Average wind speed in September - Olaine, Latvia
  • Average wind speed in September: 12.9km/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 August (11.5km/h).

Average humidity in September
Olaine, Latvia

Average humidity in September - Olaine, Latvia
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Olaine, Latvia

Average rainfall in September - Olaine, Latvia
  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Olaine, Latvia

Average rainfall days in September - Olaine, Latvia
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (6 days).

Average snowfall in September
Olaine, Latvia

Average snowfall in September - Olaine, Latvia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (83mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Olaine, Latvia

Average snowfall days in September - Olaine, Latvia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Olaine, Latvia

Average daylight in September / Average sunshine in September - Olaine, Latvia
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in September
Olaine, Latvia

Average sunshine days in September - Olaine, Latvia
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in September
Olaine, Latvia

Average UV index in September - Olaine, Latvia
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Olaine, Latvia

Average cloud cover in September - Olaine, Latvia
  • Average cloud cover in September: 44

The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Olaine, Latvia

Average visibility in September - Olaine, Latvia
  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is February (7km).

Olaine, Latvia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location