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
A subtle shift in Karihaara's weather is observed as August turns into September, with the average high temperature reducing from a comfortable 16.5°C (61.7°F) to a cool 12.2°C (54°F). In Karihaara, the month of September records an average minimum temperature of 8.4°C (47.1°F), a slight dip from the daily highs.Humidity
The average relative humidity in September is 82%.Rainfall
In Karihaara, in September, it is raining for 14.6 days, with typically 44mm (1.73") of accumulated precipitation. Throughout the year, there are 127 rainfall days, and 472mm (18.58") of precipitation is accumulated.Snowfall
In Karihaara, snow does not fall in July through September.Daylight
In Karihaara, the average length of the day in September is 13h and 6min.On the first day of September, sunrise is at 06:00 and sunset at 20:43. On the last day of the month, sunrise is at 07:30 and sunset at 18:52 EEST.
Sunshine
In Karihaara, the average sunshine in September is 7.1h.UV index
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 rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Karihaara?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Karihaara have in September?
When are sunrise and sunset in September in Karihaara?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Karihaara, Finland
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in September: 8.4°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 (-10.7°C).
Average pressure in September
Karihaara, Finland
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in September
Karihaara, Finland
- Average wind speed in September: 16.5km/h
The windiest month (with the highest average wind speed) is November (17.7km/h).
The calmest month (with the lowest average wind speed) is April (12.4km/h).
Average humidity in September
Karihaara, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Karihaara, Finland
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Karihaara, Finland
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Karihaara, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (228mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Karihaara, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Karihaara, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Karihaara, Finland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (13.9 days).
The month with the least sunshine days is December (9.9 days).
Average UV index in September
Karihaara, Finland
- 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, March, October and December (UV index 1).
Average cloud cover in September
Karihaara, Finland
- Average cloud cover in September: 52
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Karihaara, Finland
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).
