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 beginning of September brings a slight decrease in the average high-temperature, transitioning from a hot 32.3°C (90.1°F) in August to a warm 27.7°C (81.9°F). In the month of September, Parnassos records a consistent average low-temperature of 19°C (66.2°F).Heat index
The average heat index in September is calculated to be 29°C (84.2°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.One should consider that heat index numbers are for shaded settings and light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
In September, the average relative humidity is 63%.Rainfall
In Parnassos, in September, during 7.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Parnassos, during the entire year, the rain falls for 104.3 days and collects up to 310mm (12.2") of precipitation.Snowfall
In Parnassos, snow does not fall in February through December.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 07:02 and sunset at 20:01. On the last day of September, in Parnassos, sunrise is at 07:27 and sunset at 19:16 EEST.
Sunshine
The average sunshine in September in Parnassos, Greece, is 9.6h.UV index
In Parnassos, Greece, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the usual temperature for Parnassos in September?
What is the average humidity in September in Parnassos?
How many days does it rain in September in Parnassos?
When it does not snow in Parnassos?
What is the average length of the day in September in Parnassos?
What time are sunrise and sunset in September in Parnassos?
How many hours of sunshine does Parnassos have in September?
What is the UV index reading in September in Parnassos?
Average temperature in September
Parnassos, Greece
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (12.3°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).
Average pressure in September
Parnassos, Greece
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Parnassos, Greece
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (11.4km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Parnassos, Greece
- Average humidity in September: 63%
The months with the highest relative humidity are January and February (76%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Parnassos, Greece
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is January (60mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Parnassos, Greece
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is January (13.9 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in September
Parnassos, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Parnassos, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Parnassos, Greece
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Parnassos, Greece
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is January (14.7 days).
Average UV index in September
Parnassos, Greece
- Average UV index in September: 6
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Parnassos, Greece
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in September
Parnassos, Greece
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Parnassos, Greece
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