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
The advent of September brings a subtle shift in temperature, with the average high moving from a hot 32.3°C (90.1°F) in August to a warm 27.7°C (81.9°F). Parnassos in September experiences a low-temperature average of 19°C (66.2°F).Heat index
September's heat index is evaluated at 29°C (84.2°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
The average relative humidity in September is 63%.Rainfall
In Parnassos, in September, during 7.1 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, there are 104.3 rainfall days, and 310mm (12.2") of precipitation is accumulated.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 September, sunrise is at 07:02 and sunset at 20:01. On the last day of the month, sunrise is at 07:27 and sunset at 19:16 EEST.
Sunshine
In Parnassos, the average sunshine in September is 9.6h.UV index
In Parnassos, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 6 transforms into these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Parnassos in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Parnassos?
How many hours of daylight does Parnassos have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Parnassos have in September?
What is the UV index reading in September?
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).
