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
In September, the average high-temperature goes from 28.8°C (83.8°F) in August to a still warm 23.5°C (74.3°F). In Ribnik, the average temperature during the nights of September marks a significant drop from the daily high, settling at a cool 11.5°C (52.7°F).Humidity
The average relative humidity in September is 62%.Rainfall
In Ribnik, in September, it is raining for 11.6 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 168.8 rainfall days, and 560mm (22.05") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 06:53 and sunset at 20:00. On the last day of the month, sunrise is at 07:23 and sunset at 19:10 EEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 during September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Ribnik have in September?
What is the UV index intensity in September?
Average temperature in September
Ribnik, Bulgaria
- Average high temperature in September: 23.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Ribnik, Bulgaria
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Ribnik, Bulgaria
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (7.9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Ribnik, Bulgaria
- Average humidity in September: 62%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Ribnik, Bulgaria
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is October (32mm).
Average rainfall days in September
Ribnik, Bulgaria
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Ribnik, Bulgaria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ribnik, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Ribnik, 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: 9h and 4min
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 54min).
Average sunshine days in September
Ribnik, Bulgaria
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Ribnik, Bulgaria
- Average UV index in September: 5
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
Ribnik, Bulgaria
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Ribnik, 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).
