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
The start of September signals a decrease in the average high-temperature, transitioning from a tropical 31.1°C (88°F) in August to a moderately hot 25.7°C (78.3°F). Boil registers a consistent average low-temperature of 14.3°C (57.7°F) during September.Humidity
The average relative humidity in September is 56%.Rainfall
In Boil, during September, the rain falls for 6.9 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, in Boil, there are 124.6 rainfall days, and 391mm (15.39") of precipitation is accumulated.Snowfall
In Boil, snow does not fall in May through October.Daylight
The average length of the day in September in Boil, Bulgaria, is 12h and 31min.On the first day of the month, sunrise is at 06:36 and sunset at 19:47. On the last day of September, in Boil, sunrise is at 07:09 and sunset at 18:54 EEST.
Sunshine
In Boil, the average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September in Boil is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Boil?
What is the average humidity in September in Boil?
How many days does it rain in September in Boil?
When it does not snow in Boil?
What is the average length of the day in September in Boil?
When is the sunrise / sunset in September in Boil?
How many hours of sunshine does Boil have in September?
What is the UV index intensity in September in Boil?
Average temperature in September
Boil, Bulgaria
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Boil, Bulgaria
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is July (1012.6mbar).
Average wind speed in September
Boil, Bulgaria
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is February (14.8km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in September
Boil, Bulgaria
- Average humidity in September: 56%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Boil, Bulgaria
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Boil, Bulgaria
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is August (6.6 days).
Average snowfall in September
Boil, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Boil, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Boil, Bulgaria
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Boil, Bulgaria
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Boil, Bulgaria
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Boil, Bulgaria
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Boil, Bulgaria
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
Boil, Bulgaria
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