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
September
Weather in September
Temperature
A noticeable downshift in temperatures is seen as August gives way to September, with average highs moving from a pleasant 22.3°C (72.1°F) to a mild 14.2°C (57.6°F). Romanova's nighttime temperature in September falls to an average of 3.8°C (38.8°F).Humidity
In September, the average relative humidity is 71%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 99.8 rainfall days, and 314mm (12.36") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Romanova. Throughout September, in the average 0.9 snowfall days, it receives 13mm (0.51") of snow. In Romanova, during the entire year, snow falls for 127.7 days and aggregates up to 773mm (30.43") of snow.Daylight
In Romanova, the average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 06:20 and sunset at 20:00. On the last day of September, sunrise is at 07:10 and sunset at 18:49 +08.
Sunshine
In September, the average sunshine is 7.4h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Romanova, Russia
- Average high temperature in September: 14.2°C
The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is January (-15.8°C).
- Average low temperature in September: 3.8°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-24.5°C).
Average pressure in September
Romanova, Russia
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is January (1033.6mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).
Average wind speed in September
Romanova, Russia
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is May (10.9km/h).
The calmest month (with the lowest average wind speed) is January (7km/h).
Average humidity in September
Romanova, Russia
- Average humidity in September: 71%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is May (54%).
Average rainfall in September
Romanova, Russia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (64mm).
The driest months (with the least rainfall) are January and February (10mm).
Average rainfall days in September
Romanova, Russia
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is December (1.4 days).
Average snowfall in September
Romanova, Russia
- Average snowfall in September: 13mm
The month with the highest snowfall is December (165mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Romanova, Russia
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is December (22.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Romanova, 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 12min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Romanova, Russia
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in September
Romanova, Russia
- Average UV index in September: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Romanova, Russia
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in September
Romanova, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (4km).
