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 transition into September indicates a reduction in the average high-temperature, down to a comfortable 18.4°C (65.1°F) from August's moderately hot 23.8°C (74.8°F). Herculian sees an average low-temperature of 6.6°C (43.9°F) during September.Humidity
The average relative humidity in September is 72%.Rainfall
In Herculian, in September, during 11.4 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 150.9 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Herculian.Daylight
The average length of the day in September in Herculian is 12h and 32min.On the first day of September in Herculian, sunrise is at 06:38 and sunset at 19:55. On the last day of the month, sunrise is at 07:14 and sunset at 18:59 EEST.
Sunshine
The average sunshine in September is 9.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the temperature in September in Herculian?
What is the average humidity in September in Herculian?
How much does it rain in Herculian in September?
When it does not snow in Herculian?
Does it snow in Herculian in September?
How many hours of daylight does Herculian have in September?
What time are sunrise and sunset in September in Herculian?
How long on average sun shines in September in Herculian?
What is the UV index intensity in September in Herculian?
Average temperature in September
Herculian, Romania
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-8.2°C).
Average pressure in September
Herculian, Romania
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).
Average wind speed in September
Herculian, Romania
- Average wind speed in September: 7.1km/h
The windiest month (with the highest average wind speed) is April (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Herculian, Romania
- Average humidity in September: 72%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Herculian, Romania
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (132mm).
The driest month (with the least rainfall) is January (12mm).
Average rainfall days in September
Herculian, Romania
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is June (23.7 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Herculian, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is December (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Herculian, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Herculian, Romania
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Herculian, Romania
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (5.1 days).
Average UV index in September
Herculian, Romania
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Herculian, Romania
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Herculian, Romania
- Average visibility in September: 9km
The months with the highest visibility are July, August and September (9km).
The months with the lowest visibility are January, February and December (6km).
Herculian, Romania
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