September weather forecastRiebiņi, Latvia
September
Weather in September
September, the first month of the autumn in Riebiņi, is still a refreshing month, with an average temperature varying between 7.8°C (46°F) and 16°C (60.8°F).Temperature
In Riebiņi, the average high-temperature in September decreases from an agreeable 21.5°C (70.7°F) in August to a comfortable 16°C (60.8°F). Riebiņi, in September, experiences an average temperature of 7.8°C (46°F) at night.Humidity
In September, the average relative humidity is 83%.Rainfall
In Riebiņi, during September, the rain falls for 13.7 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, there are 148.5 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 46min.On the first day of the month, sunrise is at 06:17 and sunset at 20:07. On the last day of September, sunrise is at 07:14 and sunset at 18:50 EEST.
Sunshine
In September, the average sunshine is 6.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Act with care - The need to guard against sun damage is communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riebiņi, Latvia
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-8.1°C).
Average pressure in September
Riebiņi, Latvia
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Riebiņi, Latvia
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Riebiņi, Latvia
- Average humidity in September: 83%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Riebiņi, Latvia
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (62mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Riebiņi, Latvia
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Riebiņi, Latvia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (158mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Riebiņi, Latvia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Riebiņi, Latvia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 1h and 42min).
Average sunshine days in September
Riebiņi, Latvia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is August (14.2 days).
The month with the least sunshine days is December (6.7 days).
Average UV index in September
Riebiņi, 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, March, November and December (UV index 1).
Average cloud cover in September
Riebiņi, Latvia
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 84).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Riebiņi, Latvia
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





