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 start of September involves a temperature drop, moving from a warm 23.9°C (75°F) in August to a refreshing 17.5°C (63.5°F). Rostovskiy records a steady low-temperature average of 8.9°C (48°F) during September.Humidity
In September, the average relative humidity in Rostovskiy is 77%.Rainfall
In Rostovskiy, during September, the rain falls for 9 days and regularly aggregates up to 15mm (0.59") of precipitation. In Rostovskiy, during the entire year, the rain falls for 110.1 days and collects up to 246mm (9.69") of precipitation.Snowfall
In Rostovskiy, Russia, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September in Rostovskiy, sunrise is at 05:51 and sunset at 19:30. On the last day of the month, sunrise is at 06:41 and sunset at 18:20 MSK.
Sunshine
The average sunshine in September in Rostovskiy is 7.4h.UV index
In Rostovskiy, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rostovskiy?
What is the average humidity in September in Rostovskiy?
How many days does it rain in September in Rostovskiy?
When it does not snow in Rostovskiy?
Does it snow in Rostovskiy in September?
What is the average length of the day in September in Rostovskiy?
What time are sunrise and sunset in September in Rostovskiy?
How long on average sun shines in September in Rostovskiy?
How high is the UV index in September in Rostovskiy?
Average temperature in September
Rostovskiy, Russia
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in September
Rostovskiy, Russia
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is November (1020mbar).
The month with the lowest atmospheric pressure is July (1012.1mbar).
Average wind speed in September
Rostovskiy, Russia
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Rostovskiy, Russia
- Average humidity in September: 77%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Rostovskiy, Russia
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is May (37mm).
The driest month (with the least rainfall) is November (11mm).
Average rainfall days in September
Rostovskiy, Russia
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Rostovskiy, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (107mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Rostovskiy, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rostovskiy, Russia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Rostovskiy, Russia
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is August (19 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in September
Rostovskiy, Russia
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Rostovskiy, Russia
- Average cloud cover in September: 44
The months with the most cloud cover are January, February and December (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Rostovskiy, Russia
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March and December (7km).
Rostovskiy, Russia
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