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
The shift from August to September involves a decrease in the average high-temperature, dropping from an agreeable 22.1°C (71.8°F) to a mild 15.2°C (59.4°F). Throughout September, Ronga records an average temperature of 7.4°C (45.3°F) at night.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 28mm (1.1") of precipitation is accumulated. In Ronga, during the entire year, the rain falls for 114.3 days and collects up to 422mm (16.61") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 7mm (0.28") of snow. In Ronga, Russia, during the entire year, snow falls for 118.6 days and aggregates up to 1014mm (39.92") of snow.Daylight
The average length of the day in September is 12h and 46min.On the first day of the month, sunrise is at 04:49 and sunset at 18:41. On the last day of September, sunrise is at 05:48 and sunset at 17:23 MSK.
Sunshine
In September, the average sunshine is 6.1h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ronga in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
How many hours of daylight does Ronga have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Ronga have in September?
How high is the UV index in September?
Average temperature in September
Ronga, Russia
- Average high temperature in September: 15.2°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 (-9.2°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-14.3°C).
Average pressure in September
Ronga, Russia
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is February (1020.9mbar).
The month with the lowest atmospheric pressure is July (1011.4mbar).
Average wind speed in September
Ronga, Russia
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is October (13.4km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Ronga, Russia
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (97%).
The month with the lowest relative humidity is May (65%).
Average rainfall in September
Ronga, Russia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is February (22mm).
Average rainfall days in September
Ronga, Russia
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (0.6 days).
Average snowfall in September
Ronga, Russia
- Average snowfall in September: 7mm
The month with the highest snowfall is December (198mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ronga, Russia
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ronga, Russia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 0min).
Average sunshine days in September
Ronga, Russia
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is August (15.3 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in September
Ronga, Russia
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Ronga, Russia
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Ronga, Russia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (5km).
