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 beginning of September marks a decrease in the average high-temperature, transitioning from a warm 23.3°C (73.9°F) in August to an enjoyable 16.1°C (61°F). During the nights in September, Omsk experiences a consistent average temperature of 7.1°C (44.8°F).Humidity
In September, the average relative humidity is 63%.Rainfall
In Omsk, in September, during 10.8 rainfall days, 18mm (0.71") of precipitation is typically accumulated. In Omsk, during the entire year, the rain falls for 93.2 days and collects up to 271mm (10.67") of precipitation.Snowfall
January through May, September through December are months with snowfall in Omsk, Russia. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 81.5 snowfall days, and 505mm (19.88") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 44min.On the first day of the month, sunrise is at 06:13 and sunset at 19:59. On the last day of September, in Omsk, sunrise is at 07:07 and sunset at 18:45 +06.
Sunshine
The average sunshine in September is 7.3h.UV index
In Omsk, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Omsk?
What is the average humidity in September in Omsk?
How many days does it rain in September in Omsk?
When does it start to snow in Omsk?
What is the average length of the day in September in Omsk?
When are sunrise and sunset in September in Omsk?
How long on average sun shines in September in Omsk?
How high is the UV index in September in Omsk?
Average temperature in September
Omsk, Russia
- Average high temperature in September: 16.1°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 (-14°C).
- Average low temperature in September: 7.1°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-20.8°C).
Average pressure in September
Omsk, Russia
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is January (1028.3mbar).
The month with the lowest atmospheric pressure is July (1007.8mbar).
Average wind speed in September
Omsk, Russia
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is November (14.8km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in September
Omsk, Russia
- Average humidity in September: 63%
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is May (52%).
Average rainfall in September
Omsk, Russia
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in September
Omsk, Russia
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (0.4 days).
Average snowfall in September
Omsk, Russia
- Average snowfall in September: 2mm
The month with the highest snowfall is November (103mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Omsk, Russia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (15.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Omsk, Russia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Omsk, Russia
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is January (18.4 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in September
Omsk, Russia
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Omsk, Russia
- Average cloud cover in September: 42
The months with the most cloud cover are February and December (Cloud cover 78).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in September
Omsk, Russia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and February (6km).
Omsk, Russia
Weather forecast for your location
2. Allow the app to use your location