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 31°C (87.8°F) in August to a warm 27°C (80.6°F). An average minimum temperature of 20.9°C (69.6°F) marks the month of September in Nikaia, Greece.Heat index
For most parts of September, the heat index is estimated at 28°C (82.4°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In September, the average relative humidity is 58%.Rainfall
In September, in Nikaia, the rain falls for 7.4 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 98.9 rainfall days, and 348mm (13.7") of precipitation is accumulated.Snowfall
In Nikaia, Greece, snow does not fall in April through December.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Nikaia, sunrise is at 06:55 and sunset at 19:54. On the last day of the month, sunrise is at 07:20 and sunset at 19:09 EEST.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September in Nikaia is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during September translates into the following guidance:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Nikaia?
What is the average humidity in September in Nikaia?
How much does it rain in Nikaia in September?
When it does not snow in Nikaia?
What is the average length of the day in September in Nikaia?
When are sunrise and sunset in September in Nikaia?
How many hours of sunshine does Nikaia have in September?
How high is the UV index in September in Nikaia?
Average temperature in September
Nikaia, Greece
- Average high temperature in September: 27°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (12.1°C).
- Average low temperature in September: 20.9°C
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (7.3°C).
Average pressure in September
Nikaia, Greece
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is July (1011.1mbar).
Average wind speed in September
Nikaia, Greece
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is August (16.3km/h).
The calmest month (with the lowest average wind speed) is May (11.6km/h).
Average humidity in September
Nikaia, Greece
- Average humidity in September: 58%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Nikaia, Greece
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (53mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Nikaia, Greece
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is January (11.3 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
Nikaia, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Nikaia, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Nikaia, Greece
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Nikaia, Greece
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is August (28.5 days).
The month with the least sunshine days is February (14.1 days).
Average UV index in September
Nikaia, Greece
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Nikaia, Greece
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in September
Nikaia, 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).
