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
Harmi's weather in September involves a decrease in the average high-temperature, moving down from August's agreeable 21.7°C (71.1°F) to an enjoyable 16.2°C (61.2°F). Harmi's average low-temperature is measured at a frosty 8.3°C (46.9°F) during September.Humidity
In September, the average relative humidity in Harmi is 83%.Rainfall
In Harmi, in September, it is raining for 17.2 days, with typically 42mm (1.65") of accumulated precipitation. In Harmi, during the entire year, the rain falls for 161 days and collects up to 505mm (19.88") of precipitation.Snowfall
In Harmi, snow does not fall in June through September.Daylight
The average length of the day in September in Harmi, Estonia, is 12h and 50min.On the first day of the month, sunrise is at 06:17 and sunset at 20:20. On the last day of September, in Harmi, sunrise is at 07:23 and sunset at 18:55 EEST.
Sunshine
In Harmi, Estonia, the average sunshine in September is 6.7h.UV index
The average daily maximum UV index in September in Harmi, Estonia, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the average September temperature in Harmi?
What is the average humidity in September in Harmi?
How many days does it rain in September in Harmi?
When it does not snow in Harmi?
Does it snow in Harmi in September?
How many hours of daylight does Harmi have in September?
What time are sunrise and sunset in September in Harmi?
How many hours of sunshine does Harmi have in September?
How high is the UV index in September in Harmi?
Average temperature in September
Harmi, Estonia
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).
Average pressure in September
Harmi, Estonia
- Average pressure in September: 1014.1mbar
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
Harmi, Estonia
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Harmi, Estonia
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Harmi, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Harmi, Estonia
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Harmi, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (203mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Harmi, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harmi, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Harmi, Estonia
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Harmi, 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
Harmi, Estonia
- Average cloud cover in September: 57
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 42).
Average visibility in September
Harmi, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (6km).
Harmi, Estonia
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