September weather forecastSestroretsk, Russia
September
Weather in September
September, the first month of the autumn in Sestroretsk, is still a refreshing month, with an average temperature ranging between min 9.7°C (49.5°F) and max 14.6°C (58.3°F).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from an enjoyable 19.4°C (66.9°F) in August to a still refreshing 14.6°C (58.3°F). Nighttime temperatures in Sestroretsk during September report a consistent average of 9.7°C (49.5°F).Humidity
In Sestroretsk, the average relative humidity in September is 81%.Rainfall
In Sestroretsk, in September, it is raining for 17.1 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, in Sestroretsk, there are 148 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
In Sestroretsk, Russia, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 52min.On the first day of September in Sestroretsk, sunrise is at 05:56 and sunset at 20:03. On the last day of the month, sunrise is at 07:04 and sunset at 18:35 MSK.
Sunshine
In Sestroretsk, the average sunshine in September is 6.5h.UV index
In Sestroretsk, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sestroretsk, Russia
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in September
Sestroretsk, Russia
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).
Average wind speed in September
Sestroretsk, Russia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in September
Sestroretsk, 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 (71%).
Average rainfall in September
Sestroretsk, Russia
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is August (69mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Sestroretsk, Russia
- Average rainfall days in September: 17.1 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Sestroretsk, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (208mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sestroretsk, Russia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (18.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sestroretsk, Russia
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Sestroretsk, Russia
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (7.9 days).
Average UV index in September
Sestroretsk, 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
Sestroretsk, Russia
- Average cloud cover in September: 52
The months with the most cloud cover are February and December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Sestroretsk, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (6km).
