September weather forecastAndrejsala, Latvia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Andrejsala, Latvia, with temperature in the range of an average high of 16.8°C (62.2°F) and an average low of 10.8°C (51.4°F).Temperature
Andrejsala experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a pleasant 21.5°C (70.7°F) in August to an enjoyable 16.8°C (62.2°F). In Andrejsala, the average nighttime temperature during September is a cool 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Andrejsala, in September, during 14.7 rainfall days, 32mm (1.26") of precipitation is typically 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.Daylight
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 07:26 and sunset at 19:00 EEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September in Andrejsala is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - It is advised to guard against sun damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, Latvia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 48min).
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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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
Andrejsala, 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).
