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 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
September's average high-temperature is a still warm 26°C (78.8°F), maintaining a close comparison with August's 28.3°C (82.9°F). Gramvousa's temperature lowers to a mean of 20.1°C (68.2°F) during the nights in September.Humidity
In Gramvousa, Greece, the average relative humidity in September is 67%.Rainfall
In Gramvousa, during September, the rain falls for 8.3 days and regularly aggregates up to 24mm (0.94") of precipitation. In Gramvousa, during the entire year, the rain falls for 119.3 days and collects up to 509mm (20.04") of precipitation.Daylight
In Gramvousa, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 06:58 and sunset at 19:52. On the last day of September, in Gramvousa, sunrise is at 07:20 and sunset at 19:10 EEST.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Gramvousa?
What is the average humidity in September in Gramvousa?
How much does it rain in Gramvousa in September?
What is the average length of the day in September in Gramvousa?
When are sunrise and sunset in September in Gramvousa?
How many hours of sunshine does Gramvousa have in September?
What is the UV index intensity in September in Gramvousa?
Average temperature in September
Gramvousa, Greece
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (13.3°C).
- Average low temperature in September: 20.1°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).
Average pressure in September
Gramvousa, Greece
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.6mbar).
Average wind speed in September
Gramvousa, Greece
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is January (17km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Gramvousa, Greece
- Average humidity in September: 67%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (61%).
Average rainfall in September
Gramvousa, Greece
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
Gramvousa, Greece
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is January (17.6 days).
The month with the least rainy days is July (1.7 days).
Average daylight in September /
Average sunshine in September
Gramvousa, Greece
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- 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 6min).
Average sunshine days in September
Gramvousa, Greece
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is January (11.3 days).
Average UV index in September
Gramvousa, Greece
- Average UV index in September: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Gramvousa, Greece
- Average cloud cover in September: 13
The month with the most cloud cover is January (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in September
Gramvousa, 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).
Gramvousa, Greece
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