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
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 78.1°F (25.6°C) in August to a pleasant 69.4°F (20.8°C). The average low-temperature during September nights is a chilly 49.8°F (9.9°C).Humidity
In Clarissa, the average relative humidity in September is 73%.Rainfall
In September, in Clarissa, the rain falls for 8.6 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Clarissa, Minnesota, there are 92.5 rainfall days, and 12.68" (322mm) of precipitation is accumulated.Snowfall
In Clarissa, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:01 pm CDT.
Sunshine
In Clarissa, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Clarissa in September?
What is the average humidity in September in Clarissa?
How much does it rain in Clarissa in September?
When it does not snow in Clarissa?
Does it snow in Clarissa in September?
What is the average length of the day in September in Clarissa?
What time are sunrise and sunset in September in Clarissa?
How long on average sun shines in September in Clarissa?
What is the UV index reading in September in Clarissa?
Average temperature in September
Clarissa, MN
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (17.8°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in September
Clarissa, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Clarissa, MN
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Clarissa, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Clarissa, MN
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Clarissa, MN
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (0.9 days).
Average snowfall in September
Clarissa, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clarissa, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clarissa, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Clarissa, MN
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is June (12.9 days).
Average UV index in September
Clarissa, MN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Clarissa, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Clarissa, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Clarissa, Minnesota, USA
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