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
September
Weather in September
Temperature
The shift from August to September involves a decrease in the average high-temperature, from an agreeable 22°C (71.6°F) to a comfortable 16.6°C (61.9°F). In the month of September, Helme's average low-temperature falls to a chilly 8.1°C (46.6°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Helme, in September, during 16.3 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Helme, during the entire year, the rain falls for 164.5 days and collects up to 500mm (19.69") of precipitation.Snowfall
In Helme, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 48min.On the first day of the month, sunrise is at 06:17 and sunset at 20:15. On the last day of September, sunrise is at 07:19 and sunset at 18:53 EEST.
Sunshine
The average sunshine in September is 7.2h.UV index
In Helme, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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?
When are sunrise and sunset in September?
How many hours of sunshine does Helme have in September?
What is the UV index intensity in September?
Average temperature in September
Helme, Estonia
- Average high temperature in September: 16.6°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).
Average pressure in September
Helme, Estonia
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is October (1015.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Helme, Estonia
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Helme, Estonia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Helme, Estonia
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Helme, Estonia
- Average rainfall days in September: 16.3 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Helme, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Helme, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Helme, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Helme, Estonia
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Helme, Estonia
- Average UV index in September: 3
The months with the highest UV index are June and 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
Helme, Estonia
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are May and July (Cloud cover 41).
Average visibility in September
Helme, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
