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
In September, the average high-temperature marginally decreases from a comfortable 18°C (64.4°F) in August to a moderate 13.7°C (56.7°F). Salmi's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 17.2 days. Throughout September, 51mm (2.01") of precipitation is accumulated. Throughout the year, there are 136.3 rainfall days, and 530mm (20.87") of precipitation is accumulated.Snowfall
In Salmi, snow does not fall in June through September.Daylight
The average length of the day in September in Salmi is 12h and 55min.On the first day of the month, sunrise is at 05:45 and sunset at 19:59. On the last day of September, sunrise is at 06:57 and sunset at 18:26 MSK.
Sunshine
The average sunshine in September is 6.4h.UV index
In Salmi, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Salmi in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September in Salmi?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Salmi, Russia
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The months with the lowest average high temperature are January and February (-3.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is July (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (-6.8°C).
Average pressure in September
Salmi, Russia
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Salmi, Russia
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Salmi, Russia
- Average humidity in September: 80%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in September
Salmi, Russia
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Salmi, Russia
- Average rainfall days in September: 17.2 days
The months with the highest number of rainy days are July and September (17.2 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Salmi, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Salmi, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Salmi, Russia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Salmi, Russia
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (6.8 days).
Average UV index in September
Salmi, Russia
- Average UV index in September: 3
The month with the highest UV index is July (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
Salmi, Russia
- Average cloud cover in September: 52
The months with the most cloud cover are February and December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Salmi, 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, February, March and December (8km).
Salmi, Russia
Weather forecast for your location
2. Allow the app to use your location