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
Big Lake's transition into September involves a gentle shift in temperature, receding from 84.2°F (29°C) in August to a still warm 78.3°F (25.7°C). Big Lake's average low-temperature in September is measured at a refreshing 58.3°F (14.6°C).Humidity
The average relative humidity in September is 72%.Rainfall
In Big Lake, during September, the rain falls for 11.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 120.1 rainfall days, and 22.8" (579mm) of precipitation is accumulated.Snowfall
In Big Lake, snow does not fall in May through September.Daylight
In Big Lake, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm CDT.
Sunshine
In Big Lake, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Big Lake?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Big Lake?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Big Lake, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Big Lake, MO
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Big Lake, MO
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Big Lake, MO
- Average humidity in September: 72%
The months with the highest relative humidity are January, June, July and August (76%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Big Lake, MO
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Big Lake, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Big Lake, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Big Lake, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Big Lake, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Big Lake, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Big Lake, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Big Lake, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in September
Big Lake, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Big Lake, Missouri, USA
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