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
September's onset brings a negligible change in high-temperatures, falling from 28.1°C (82.6°F) in August to a still moderately hot 23.4°C (74.1°F). Throughout September, Karlovo experiences a low-temperature average of 11.7°C (53.1°F).Humidity
The average relative humidity in September is 62%.Rainfall
The month with the least rainfall in Karlovo is September, when the rain falls for 8.8 days and typically collects 24mm (0.94") of precipitation.Snowfall
January through May, September through December are months with snowfall in Karlovo. September is the first month it typically snows in Karlovo. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Karlovo, Bulgaria, during the entire year, snow falls for 34.2 days and aggregates up to 876mm (34.49") of snow.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 06:46 and sunset at 19:55. On the last day of September, in Karlovo, sunrise is at 07:17 and sunset at 19:03 EEST.
Sunshine
In September, the average sunshine in Karlovo, Bulgaria, is 10h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the temperature in September in Karlovo?
What is the average humidity in September in Karlovo?
What is the driest month in Karlovo?
How many days does it rain in September in Karlovo?
When does it start snowing in Karlovo?
How many hours of daylight does Karlovo have in September?
When is the sunrise / sunset in September in Karlovo?
How many hours of sunshine does Karlovo have in September?
How high is the UV index in September in Karlovo?
Average temperature in September
Karlovo, Bulgaria
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in September
Karlovo, Bulgaria
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Karlovo, Bulgaria
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).
Average humidity in September
Karlovo, Bulgaria
- Average humidity in September: 62%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Karlovo, Bulgaria
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (91mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Karlovo, Bulgaria
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Karlovo, Bulgaria
- Average snowfall in September: 1mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Karlovo, Bulgaria
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Karlovo, Bulgaria
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Karlovo, Bulgaria
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Karlovo, Bulgaria
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Karlovo, Bulgaria
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Karlovo, Bulgaria
- 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).
Karlovo, Bulgaria
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