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 start of September signals a decrease in the average high-temperature, transitioning from a moderately hot 23.6°C (74.5°F) in August to a comfortable 16.5°C (61.7°F). Nighttime temperatures in September average to a chilly 8.2°C (46.8°F) in Alatyr'.Humidity
In September, the average relative humidity in Alatyr' is 77%.Rainfall
In Alatyr', in September, during 13.4 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 115.2 rainfall days, and 357mm (14.06") of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 3mm (0.12") of snow. In Alatyr', during the entire year, snow falls for 94.6 days and aggregates up to 718mm (28.27") of snow.Daylight
In September, the average length of the day is 12h and 43min.On the first day of the month, sunrise is at 05:01 and sunset at 18:45. On the last day of September, sunrise is at 05:54 and sunset at 17:32 MSK.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Alatyr' is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during September leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alatyr' in September?
What is the average humidity in September in Alatyr'?
How many days does it rain in September in Alatyr'?
When does it start snowing in Alatyr'?
How many hours of daylight does Alatyr' have in September?
When is the sunrise / sunset in September in Alatyr'?
How long on average sun shines in September in Alatyr'?
What is the UV index intensity in September in Alatyr'?
Average temperature in September
Alatyr', Russia
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-7.9°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-13.1°C).
Average pressure in September
Alatyr', Russia
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is February (1021.4mbar).
The month with the lowest atmospheric pressure is July (1011.8mbar).
Average wind speed in September
Alatyr', Russia
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in September
Alatyr', Russia
- Average humidity in September: 77%
The months with the highest relative humidity are January, February and March (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Alatyr', Russia
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is November (17mm).
Average rainfall days in September
Alatyr', Russia
- Average rainfall days in September: 13.4 days
The months with the highest number of rainy days are June and July (15.3 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in September
Alatyr', Russia
- Average snowfall in September: 3mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are May, June, July and August (0mm).
Average snowfall days in September
Alatyr', Russia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Alatyr', Russia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Alatyr', Russia
- Average sunshine days in September: 13 days
The month with the most sunshine days is August (15.4 days).
The month with the least sunshine days is December (10.6 days).
Average UV index in September
Alatyr', Russia
- Average UV index in September: 2
The months with the highest UV index are May, June and 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
Alatyr', Russia
- Average cloud cover in September: 48
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Alatyr', Russia
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (6km).
