Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Cēsis, Latvia, in September undergoes a mild reduction in the average high-temperature, shifting from August's pleasant 21.6°C (70.9°F) to a comfortable 16.4°C (61.5°F). Throughout September, Cēsis records an average temperature of 8.3°C (46.9°F) at night.Humidity
In Cēsis, the average relative humidity in September is 82%.Rainfall
In Cēsis, in September, it is raining for 16.9 days, with typically 40mm (1.57") of accumulated precipitation. In Cēsis, during the entire year, the rain falls for 166.5 days and collects up to 526mm (20.71") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Cēsis is 12h and 47min.On the first day of the month, sunrise is at 06:21 and sunset at 20:16. On the last day of September, sunrise is at 07:21 and sunset at 18:55 EEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Cēsis is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Cēsis in September?
What is the average humidity in September in Cēsis?
How many days does it rain in September in Cēsis?
When it does not snow in Cēsis?
Does it snow in Cēsis in September?
What is the average length of the day in September in Cēsis?
When are sunrise and sunset in September in Cēsis?
How long on average sun shines in September in Cēsis?
How high is the UV index in September in Cēsis?
Average temperature in September
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, Latvia
- Average daylight in September: 12h and 5min
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 48min).
- Average sunshine in September: 7h and 2min
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
Cēsis, 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
Cēsis, 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
Cēsis, 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
Cēsis, 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).
Cēsis, Latvia
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