September weather forecastOmmi, Russia
September
Weather in September
September, the first month of the autumn in Ommi, is still a refreshing month, with an average temperature fluctuating between 17.1°C (62.8°F) and 7.7°C (45.9°F).Temperature
September weather is marked by a drop in the average high-temperature, falling from a warm 23.6°C (74.5°F) in August to an enjoyable 17.1°C (62.8°F). The temperature in Ommi dips to an average of 7.7°C (45.9°F) during September nights.Humidity
In September, the average relative humidity in Ommi is 80%.Rainfall
In Ommi, Russia, during September, the rain falls for 14.2 days and regularly aggregates up to 58mm (2.28") of precipitation. In Ommi, during the entire year, the rain falls for 110.9 days and collects up to 498mm (19.61") of precipitation.Snowfall
Months with snowfall in Ommi are January through May, September through December. September is the first month it typically snows in Ommi. Throughout September, in the average 0.3 snowfall days, it receives 3mm (0.12") of snow. In Ommi, Russia, during the entire year, snow falls for 95.6 days and aggregates up to 660mm (25.98") of snow.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September in Ommi, sunrise is at 06:08 and sunset at 19:37. On the last day of the month, sunrise is at 06:51 and sunset at 18:33 +10.
Sunshine
In Ommi, the average sunshine in September is 7.3h.UV index
In Ommi, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ommi, Russia
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-18°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is January (-25.9°C).
Average pressure in September
Ommi, Russia
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is January (1019mbar).
The month with the lowest atmospheric pressure is July (1005.9mbar).
Average wind speed in September
Ommi, Russia
- Average wind speed in September: 9.4km/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 February (8km/h).
Average humidity in September
Ommi, Russia
- Average humidity in September: 80%
The month with the highest relative humidity is January (97%).
The month with the lowest relative humidity is May (65%).
Average rainfall in September
Ommi, Russia
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is August (101mm).
The driest months (with the least rainfall) are January and February (10mm).
Average rainfall days in September
Ommi, Russia
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in September
Ommi, Russia
- Average snowfall in September: 3mm
The month with the highest snowfall is December (144mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ommi, Russia
- Average snowfall days in September: 0.3 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 and August (0 days).
Average daylight in September /
Average sunshine in September
Ommi, Russia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Ommi, Russia
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Ommi, Russia
- Average UV index in September: 3
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
Ommi, Russia
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Ommi, Russia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and October (9km).
The months with the lowest visibility are January and February (4km).





