September weather forecastRumbula, Latvia

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Rumbula, Latvia, with an average temperature varying between 16.8°C (62.2°F) and 10.8°C (51.4°F).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a pleasant 21.5°C (70.7°F) in August to an enjoyable 16.8°C (62.2°F). Throughout September, the average low-temperature dips to a fresh 10.8°C (51.4°F).

Humidity

In September, the average relative humidity in Rumbula is 78%.

Rainfall

In September, the rain falls for 14.7 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, there are 142 rainfall days, and 382mm (15.04") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Rumbula.

Daylight

In Rumbula, the average length of the day in September is 12h and 46min.
On the first day of the month, sunrise is at 06:26 and sunset at 20:19. On the last day of September, sunrise is at 07:25 and sunset at 19:00 EEST.

Sunshine

In Rumbula, the average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index in Rumbula is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during September leads to these advisories:
Adopt protective measures - Suggestions to resist sunburn are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

The high-temperature, in September, in Rumbula, is 16.8°C (62.2°F), while the low-temperature averages to 10.8°C (51.4°F).

The average relative humidity in September is 78%.

In Rumbula, Latvia, in September, during 14.7 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

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

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

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

On the first day of September in Rumbula, sunrise is at 06:26 and sunset at 20:19. On the last day of the month, sunrise is at 07:25 and sunset at 19:00 EEST.

In September, the average sunshine duration is 7.7h.

In Rumbula, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Rumbula, Latvia

  • Average high temperature in September: 16.8°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 10.8°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in September
Rumbula, Latvia

  • Average pressure in September: 1015.4mbar

The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).

Average wind speed in September
Rumbula, Latvia

  • Average wind speed in September: 15.5km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

Average humidity in September
Rumbula, Latvia

  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Rumbula, Latvia

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Rumbula, Latvia

  • Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (6 days).

Average snowfall in September
Rumbula, Latvia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (84mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Rumbula, Latvia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

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 42min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in September
Rumbula, Latvia

  • Average sunshine days in September: 13 days

The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (10.1 days).

Average UV index in September
Rumbula, Latvia

  • Average UV index in September: 3

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

Average cloud cover in September
Rumbula, Latvia

  • Average cloud cover in September: 46

The month with the most cloud cover is December (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Rumbula, Latvia

  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).