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
Pirne records a mild change in average high-temperature during September, easing from 28.6°C (83.5°F) in August to a still warm 24.3°C (75.7°F). During September, Pirne witnesses a consistent average low-temperature of 15.8°C (60.4°F).Humidity
The average relative humidity in September is 66%.Rainfall
In Pirne, in September, it is raining for 6.9 days, with typically 18mm (0.71") of accumulated precipitation. In Pirne, Bulgaria, during the entire year, the rain falls for 109.7 days and collects up to 342mm (13.46") of precipitation.Snowfall
In Pirne, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 06:36 and sunset at 19:45. On the last day of the month, sunrise is at 07:07 and sunset at 18:54 EEST.
Sunshine
The average sunshine in September in Pirne is 10.1h.UV index
The average daily maximum UV index in September in Pirne is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Pirne in September?
What is the average humidity in September in Pirne?
How many days does it rain in September in Pirne?
When it does not snow in Pirne?
How many hours of daylight does Pirne have in September?
When is the sunrise / sunset in September in Pirne?
How many hours of sunshine does Pirne have in September?
What is the UV index intensity in September in Pirne?
Average temperature in September
Pirne, Bulgaria
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Pirne, Bulgaria
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in September
Pirne, Bulgaria
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).
Average humidity in September
Pirne, Bulgaria
- Average humidity in September: 66%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Pirne, Bulgaria
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is January (43mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in September
Pirne, Bulgaria
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is December (12 days).
The month with the least rainy days is August (2.6 days).
Average snowfall in September
Pirne, 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, October and November (0mm).
Average snowfall days in September
Pirne, Bulgaria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
Pirne, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Pirne, Bulgaria
- Average sunshine days in September: 22.5 days
The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (13.4 days).
Average UV index in September
Pirne, Bulgaria
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Pirne, Bulgaria
- Average cloud cover in September: 25
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in September
Pirne, Bulgaria
- Average visibility in September: 10km
The months with the highest visibility are March, April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, May, November and December (9km).
