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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from an enjoyable 18.6°C (65.5°F) in August to a still refreshing 15.3°C (59.5°F). September nights witness a slight temperature decrease, averaging at a still moderate 13.3°C (55.9°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Hirmuste, in September, it is raining for 14.4 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 148.9 rainfall days, and 462mm (18.19") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Hirmuste, the average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 06:30 and sunset at 20:32. On the last day of the month, sunrise is at 07:35 and sunset at 19:07 EEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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?
How many hours of daylight does Hirmuste have in September?
When is the sunrise / sunset in September in Hirmuste?
How many hours of sunshine does Hirmuste have in September?
What is the UV index intensity in September?
Average temperature in September
Hirmuste, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is February (0.4°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in September
Hirmuste, Estonia
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Hirmuste, Estonia
- Average wind speed in September: 25.2km/h
The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is May (19.5km/h).
Average humidity in September
Hirmuste, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Hirmuste, Estonia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Hirmuste, Estonia
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Hirmuste, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (96mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hirmuste, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hirmuste, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Hirmuste, Estonia
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is December (3.3 days).
Average UV index in September
Hirmuste, Estonia
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Hirmuste, Estonia
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Hirmuste, Estonia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and December (8km).
