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
September
Weather in September
Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 29.8°C (85.6°F) in August to a still warm 24.9°C (76.8°F). The low-temperature averages to a cool 12.9°C (55.2°F) during the nights of September.Humidity
In September, the average relative humidity is 59%.Rainfall
In Letovnik, in September, during 9.8 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Letovnik, Bulgaria, there are 133.4 rainfall days, and 458mm (18.03") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Letovnik.Daylight
In Letovnik, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 06:44 and sunset at 19:51. On the last day of the month, sunrise is at 07:14 and sunset at 19:01 EEST.
Sunshine
The average sunshine in September in Letovnik is 10h.UV index
In Letovnik, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Ensure safety - Sun damage prevention is strongly urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Letovnik in September?
What is the average humidity in September in Letovnik?
How many days does it rain in September in Letovnik?
When it does not snow in Letovnik?
Does it snow in Letovnik in September?
What is the average length of the day in September in Letovnik?
When are sunrise and sunset in September in Letovnik?
How many hours of sunshine does Letovnik have in September?
What is the UV index reading in September in Letovnik?
Average temperature in September
Letovnik, Bulgaria
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Letovnik, Bulgaria
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.5mbar).
Average wind speed in September
Letovnik, Bulgaria
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is August (9.9km/h).
The calmest month (with the lowest average wind speed) is October (7.6km/h).
Average humidity in September
Letovnik, Bulgaria
- Average humidity in September: 59%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Letovnik, Bulgaria
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in September
Letovnik, Bulgaria
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Letovnik, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Letovnik, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Letovnik, Bulgaria
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Letovnik, Bulgaria
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Letovnik, Bulgaria
- Average UV index in September: 4
The months with the highest UV index are June, 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
Letovnik, Bulgaria
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Letovnik, 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).
