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
A subtle shift in Brunswick's weather is observed as August turns into September, with the average high temperature reducing from 84.4°F (29.1°C) to a still warm 78.4°F (25.8°C). Brunswick, during September, witnesses an average low-temperature of 58.6°F (14.8°C).Humidity
In Brunswick, the average relative humidity in September is 74%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Brunswick, during the entire year, the rain falls for 134.1 days and collects up to 28.9" (734mm) of precipitation.Snowfall
In Brunswick, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:56 pm CDT.
Sunshine
In Brunswick, the average sunshine in September is 9.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Brunswick in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Brunswick have in September?
What time are sunrise and sunset in September in Brunswick?
How many hours of sunshine does Brunswick have in September?
How high is the UV index in September?
Average temperature in September
Brunswick, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.6°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 (21.6°F).
Average pressure in September
Brunswick, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Brunswick, MO
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Brunswick, MO
- Average humidity in September: 74%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Brunswick, MO
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Brunswick, MO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Brunswick, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brunswick, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brunswick, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Brunswick, MO
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in September
Brunswick, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Brunswick, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Brunswick, 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).
Brunswick, Missouri, USA
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