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
As September commences, the average high-temperature subtly reduces, transitioning from a moderately hot 76.5°F (24.7°C) in August to a pleasant 70.5°F (21.4°C). An average low-temperature of 52.2°F (11.2°C) marks the nights in Spring Valley throughout September.Humidity
In Spring Valley, Minnesota, the average relative humidity in September is 80%.Rainfall
In Spring Valley, Minnesota, in September, during 12.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, in Spring Valley, Minnesota, there are 136.6 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Spring Valley.Daylight
In September, the average length of the day in Spring Valley is 12h and 29min.On the first day of September, sunrise is at 6:34 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:51 pm CDT.
Sunshine
In Spring Valley, the average sunshine in September is 8.8h.UV index
In Spring Valley, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 during September translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are September temperatures in Spring Valley?
What is the average humidity in September in Spring Valley?
How much does it rain in Spring Valley in September?
When it does not snow in Spring Valley?
Does it snow in Spring Valley in September?
What is the average length of the day in September in Spring Valley?
What time are sunrise and sunset in September in Spring Valley?
How many hours of sunshine does Spring Valley have in September?
What is the UV index reading in September in Spring Valley?
Average temperature in September
Spring Valley, MN
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Spring Valley, MN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Spring Valley, MN
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Spring Valley, MN
- Average humidity in September: 80%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Spring Valley, MN
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Spring Valley, MN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Spring Valley, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Spring Valley, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spring Valley, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Spring Valley, MN
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Spring Valley, MN
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Spring Valley, MN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Spring Valley, MN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Spring Valley, Minnesota, USA
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