September weather forecastĶemeri, Latvia
September
Weather in September
September ushers the onset of Autumn in Ķemeri. Hints of coolness creep into the weather as the leaves start changing hues. The transition is noticeable not only in the changing landscapes but also in the shrinking daylight hours. While rainfall continues, the winds start to regain strength. As the city prepares to bid farewell to summer, September embodies a beautiful blend of seasons.Temperature
The start of September in Ķemeri signals a gentle decrease in the average high-temperature, transitioning from an agreeable 21.4°C (70.5°F) in August to an enjoyable 16.9°C (62.4°F). During the month of September, Ķemeri anticipates a mean low-temperature of 10.7°C (51.3°F).Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 35mm (1.38") of precipitation is accumulated. In Ķemeri, Latvia, during the entire year, the rain falls for 152.3 days and collects up to 437mm (17.2") of precipitation.Snowfall
In Ķemeri, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 46min.On the first day of September, sunrise is at 06:29 and sunset at 20:22. On the last day of the month, sunrise is at 07:28 and sunset at 19:03 EEST.
Sunshine
In Ķemeri, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September in Ķemeri is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ķemeri, Latvia
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in September
Ķemeri, 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 (1011.3mbar).
Average wind speed in September
Ķemeri, Latvia
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is May (13.3km/h).
Average humidity in September
Ķemeri, Latvia
- Average humidity in September: 78%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Ķemeri, Latvia
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Ķemeri, Latvia
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Ķemeri, Latvia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (101mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ķemeri, Latvia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ķemeri, 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 48min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in September
Ķemeri, Latvia
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in September
Ķemeri, 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
Ķemeri, Latvia
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Ķemeri, 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).





