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 onset of September results in a decrease in the average high-temperature, receding from a moderately hot 29.1°C (84.4°F) in August to a pleasant 22.6°C (72.7°F). Throughout the month of September, Port-Katon sees a steady low-temperature average of 15.2°C (59.4°F).Humidity
In Port-Katon, the average relative humidity in September is 57%.Rainfall
In September, in Port-Katon, the rain falls for 8.7 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Port-Katon, there are 125.8 rainfall days, and 414mm (16.3") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Port-Katon.Daylight
The average length of the day in September in Port-Katon is 12h and 34min.On the first day of the month, sunrise is at 05:45 and sunset at 19:04. On the last day of September, in Port-Katon, sunrise is at 06:22 and sunset at 18:06 MSK.
Sunshine
The average sunshine in September is 9.7h.UV index
In Port-Katon, Russia, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Port-Katon in September?
What is the average humidity in September in Port-Katon?
How many days does it rain in September in Port-Katon?
When it does not snow in Port-Katon?
What is the average length of the day in September in Port-Katon?
When are sunrise and sunset in September in Port-Katon?
How many hours of sunshine does Port-Katon have in September?
How high is the UV index in September in Port-Katon?
Average temperature in September
Port-Katon, Russia
- Average high temperature in September: 22.6°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is July (20.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Port-Katon, Russia
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is November (1021.7mbar).
The month with the lowest atmospheric pressure is July (1010.6mbar).
Average wind speed in September
Port-Katon, Russia
- Average wind speed in September: 17.4km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is May (14.2km/h).
Average humidity in September
Port-Katon, Russia
- Average humidity in September: 57%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (49%).
Average rainfall in September
Port-Katon, Russia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Port-Katon, Russia
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in September
Port-Katon, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (55mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Port-Katon, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Port-Katon, Russia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Port-Katon, Russia
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Port-Katon, Russia
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Port-Katon, Russia
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Port-Katon, Russia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Port-Katon, Russia
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