September weather forecastKholmsk, Russia
September
Weather in September
September, the first month of the autumn in Kholmsk, is still a refreshing month, with an average temperature varying between 12.4°C (54.3°F) and 17°C (62.6°F).Temperature
The average high-temperature during September registers at a still comfortable 17°C (62.6°F), closely corresponding to the preceding month. Consistently, Kholmsk reports average nighttime temperatures of 12.4°C (54.3°F) during September, a marginal step down from its daytime highs.Humidity
The average relative humidity in September in Kholmsk is 78%.Rainfall
In Kholmsk, during September, the rain falls for 14.2 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, there are 114 rainfall days, and 578mm (22.76") of precipitation is accumulated.Snowfall
In Kholmsk, snow does not fall in June through September.Sea temperature
In September, the average sea temperature is 16.4°C (61.5°F).Note: For most people, a water temperature of 16.4°C (61.5°F) is not conducive to enjoyable swimming. Breathing control becomes harder as the water temperature dips below 21°C (69.8°F).
Daylight
In Kholmsk, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:51 and sunset at 20:12. On the last day of the month, sunrise is at 07:29 and sunset at 19:14 +11.
Sunshine
In September, the average sunshine is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kholmsk, Russia
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The month with the lowest average high temperature is January (-6.6°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (-10.3°C).
Average pressure in September
Kholmsk, Russia
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is November (1013.4mbar).
The month with the lowest atmospheric pressure is July (1008.7mbar).
Average wind speed in September
Kholmsk, Russia
- Average wind speed in September: 16.3km/h
The windiest month (with the highest average wind speed) is December (20.8km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in September
Kholmsk, Russia
- Average humidity in September: 78%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Kholmsk, Russia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (68mm).
The driest month (with the least rainfall) is February (30mm).
Average rainfall days in September
Kholmsk, Russia
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is August (14.7 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in September
Kholmsk, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (279mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kholmsk, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Kholmsk, Russia
- Average sea temperature in September: 16.4°C
The best month for swimming (with the highest average sea temperature) is August (17.6°C).
The coldest month (with the lowest average sea temperature) is February (1.1°C).
Average daylight in September /
Average sunshine in September
Kholmsk, Russia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days in September
Kholmsk, Russia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is December (3.8 days).
Average UV index in September
Kholmsk, Russia
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Kholmsk, Russia
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in September
Kholmsk, Russia
- Average visibility in September: 10km
The month with the highest visibility is September (10km).
The month with the lowest visibility is December (7km).
