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 shift from August to September involves a decrease in the average high-temperature, dropping from a hot 30.7°C (87.3°F) to a moderately hot 25.5°C (77.9°F). September nights in Katerini are marked by an average temperature drop to a moderate 15.8°C (60.4°F).Humidity
In September, the average relative humidity in Katerini is 63%.Rainfall
In Katerini, in September, it is raining for 13 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, there are 147.9 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
In Katerini, Greece, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:57 and sunset at 20:01. On the last day of the month, sunrise is at 07:25 and sunset at 19:13 EEST.
Sunshine
In Katerini, the average sunshine in September is 9.2h.UV index
In Katerini, Greece, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Katerini?
What is the average humidity in September in Katerini?
How many days does it rain in September in Katerini?
When it does not snow in Katerini?
How many hours of daylight does Katerini have in September?
When are sunrise and sunset in September in Katerini?
How many hours of sunshine does Katerini have in September?
What is the UV index intensity in September in Katerini?
Average temperature in September
Katerini, Greece
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is August (30.7°C).
The month with the lowest average high temperature is January (8°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in September
Katerini, Greece
- Average pressure in September: 1016mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Katerini, Greece
- Average wind speed in September: 7.5km/h
The windiest month (with the highest average wind speed) is February (8.9km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in September
Katerini, Greece
- Average humidity in September: 63%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Katerini, Greece
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in September
Katerini, Greece
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are March and May (14.7 days).
The month with the least rainy days is December (9.1 days).
Average snowfall in September
Katerini, Greece
- Average snowfall in September: 0mm
The month with the highest snowfall is January (39mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Katerini, Greece
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Katerini, Greece
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in September
Katerini, Greece
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Katerini, Greece
- Average UV index in September: 5
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 2).
Average cloud cover in September
Katerini, Greece
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Katerini, Greece
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
Katerini, Greece
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