September weather forecastSmiltene, Latvia
September
Weather in September
September in Smiltene, Latvia marks the beginning of autumn. The weather takes a downturn from the summer highs, with daytime temperatures falling to 16.4°C (61.5°F). The arrival of autumn is perceptible as leaves change color and a fresh chill permeates the air. City parks and woods, with their brilliant foliage, become hotspots for nature enthusiasts. Yet, September maintains its charm with relatively sunny and less rainy days, offering visitors plenty of opportunities to explore.Temperature
The start of September in Smiltene comes with a reduction in the average high-temperature, receding from a pleasant 21.6°C (70.9°F) in August to an enjoyable 16.4°C (61.5°F). Throughout September, Smiltene records an average temperature of 8.3°C (46.9°F) at night.Humidity
In September, the average relative humidity is 82%.Rainfall
In Smiltene, in September, during 16.9 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 166.5 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Smiltene.Daylight
In Smiltene, the average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 06:18 and sunset at 20:13. On the last day of September, in Smiltene, sunrise is at 07:19 and sunset at 18:53 EEST.
Sunshine
In Smiltene, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Smiltene, Latvia
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-3.1°C).
- Average low temperature in September: 8.3°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 (-7.4°C).
Average pressure in September
Smiltene, Latvia
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in September
Smiltene, Latvia
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Smiltene, Latvia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Smiltene, Latvia
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Smiltene, Latvia
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Smiltene, Latvia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (198mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Smiltene, Latvia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Smiltene, Latvia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Smiltene, Latvia
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is May (12.8 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in September
Smiltene, 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
Smiltene, Latvia
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 41).
Average visibility in September
Smiltene, Latvia
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The month with the lowest visibility is February (6km).
