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
September
Weather in September
Temperature
The transition into September reveals an average high-temperature of a still warm 25.5°C (77.9°F), mirroring a close resemblance to August. Recording a slight decline in temperature during the nights, Gonia's September temperatures average at an agreeable 22.8°C (73°F).Humidity
The months with the lowest humidity in Gonia are May, July and September, with an average relative humidity of 67%.Rainfall
In September, the rain falls for 4.4 days. Throughout September, 6mm (0.24") of precipitation is accumulated. In Gonia, during the entire year, the rain falls for 80.6 days and collects up to 185mm (7.28") of precipitation.Daylight
In Gonia, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 06:55 and sunset at 19:49. On the last day of the month, sunrise is at 07:16 and sunset at 19:07 EEST.
Sunshine
In September, the average sunshine is 10.4h.UV index
The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Gonia have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gonia, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (14.3°C).
- Average low temperature in September: 22.8°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure in September
Gonia, Greece
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is July (1010.2mbar).
Average wind speed in September
Gonia, Greece
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is January (19.1km/h).
The calmest month (with the lowest average wind speed) is May (12.4km/h).
Average humidity in September
Gonia, Greece
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (71%).
The months with the lowest relative humidity are May, July and September (67%).
Average rainfall in September
Gonia, Greece
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is December (38mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Gonia, Greece
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is December (13.5 days).
The month with the least rainy days is August (0.4 days).
Average daylight in September /
Average sunshine in September
Gonia, 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: 10h and 2min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Gonia, Greece
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is July (29.9 days).
The month with the least sunshine days is December (14.2 days).
Average UV index in September
Gonia, 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 4).
Average cloud cover in September
Gonia, Greece
- Average cloud cover in September: 8
The month with the most cloud cover is January (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 3).
Average visibility in September
Gonia, 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).
