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
A moderate decline in the average high-temperature is seen during September, decreasing from a pleasant 22.9°C (73.2°F) in August to a mild 15.5°C (59.9°F). In September, the average low-temperature records at a frosty 6.2°C (43.2°F) during the nights.Humidity
In September, the average relative humidity is 69%.Rainfall
In Ob, in September, it is raining for 12.2 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 102.2 rainfall days, and 359mm (14.13") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Ob. Throughout September, in the average 0.7 snowfall days, it receives 6mm (0.24") of snow. In Ob, during the entire year, snow falls for 103.4 days and aggregates up to 871mm (34.29") of snow.Daylight
In Ob, the average length of the day in September is 12h and 44min.On the first day of the month, sunrise is at 05:36 and sunset at 19:22. On the last day of September, in Ob, sunrise is at 06:30 and sunset at 18:07 +06.
Sunshine
In Ob, the average sunshine in September is 6.9h.UV index
In Ob, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ob in September?
What is the average humidity in September in Ob?
How much does it rain in Ob in September?
When does it start snowing in Ob?
How many hours of daylight does Ob have in September?
When are sunrise and sunset in September in Ob?
How long on average sun shines in September in Ob?
How high is the UV index in September in Ob?
Average temperature in September
Ob, Russia
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-14.6°C).
- Average low temperature in September: 6.2°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-21.4°C).
Average pressure in September
Ob, Russia
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is January (1031.2mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in September
Ob, Russia
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is November (16.1km/h).
The calmest month (with the lowest average wind speed) is July (10.1km/h).
Average humidity in September
Ob, Russia
- Average humidity in September: 69%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (58%).
Average rainfall in September
Ob, Russia
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in September
Ob, Russia
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is December (0.6 days).
Average snowfall in September
Ob, Russia
- Average snowfall in September: 6mm
The month with the highest snowfall is November (222mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ob, Russia
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ob, 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: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 1h and 24min).
Average sunshine days in September
Ob, Russia
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The months with the least sunshine days are November and December (10.5 days).
Average UV index in September
Ob, Russia
- Average UV index in September: 2
The months with the highest UV index are June, July and August (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
Ob, Russia
- Average cloud cover in September: 43
The months with the most cloud cover are February and December (Cloud cover 82).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Ob, Russia
- Average visibility in September: 9km
The months with the highest visibility are May and June (10km).
The months with the lowest visibility are January and February (6km).
Ob, Russia
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