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 sea temperature 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
Strelna in September undergoes a slight reduction in the average high-temperature, shifting from August's enjoyable 19.4°C (66.9°F) to a mild 14.6°C (58.3°F). Nights during September maintain a steady temperature, averaging at a frosty 9.9°C (49.8°F).Humidity
The average relative humidity in September in Strelna is 81%.Rainfall
In September, in Strelna, the rain falls for 14.1 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Strelna, during the entire year, the rain falls for 127.5 days and collects up to 406mm (15.98") of precipitation.Snowfall
In Strelna, snow does not fall in June through September.Sea temperature
In Strelna, in September, the average water temperature is 14°C (57.2°F).Note: While a brief time in 14°C (57.2°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
In Strelna, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 05:56 and sunset at 20:02. On the last day of September, sunrise is at 07:04 and sunset at 18:35 MSK.
Sunshine
The average sunshine in September in Strelna, Russia, is 6.3h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the usual temperature for Strelna in September?
What is the average humidity in September in Strelna?
How many days does it rain in September in Strelna?
When it does not snow in Strelna?
Does it snow in Strelna in September?
What is the water temperature in September in Strelna?
How many hours of daylight does Strelna have in September?
When is the sunrise / sunset in September in Strelna?
How long on average sun shines in September in Strelna?
How high is the UV index in September in Strelna?
Average temperature in September
Strelna, Russia
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in September
Strelna, Russia
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in September
Strelna, Russia
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest months (with the lowest average wind speed) are May and July (12.3km/h).
Average humidity in September
Strelna, Russia
- Average humidity in September: 81%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Strelna, Russia
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in September
Strelna, Russia
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Strelna, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (151mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Strelna, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Strelna, Russia
- Average sea temperature in September: 14°C
The best month for swimming (with the highest average sea temperature) is July (19°C).
The coldest month (with the lowest average sea temperature) is February (-0.3°C).
Average daylight in September /
Average sunshine in September
Strelna, Russia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Strelna, Russia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (18.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Strelna, Russia
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Strelna, Russia
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Strelna, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (6km).
Strelna, Russia
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