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 begins, there is a minor decrease in the average high-temperature, softly falling from a warm 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). An average nighttime temperature of 60.1°F (15.6°C) is noted in Maplewood during the month of September.Humidity
The average relative humidity in September in Maplewood is 73%.Rainfall
In Maplewood, in September, it is raining for 12 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Maplewood, Missouri, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Maplewood, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of September, in Maplewood, sunrise is at 6:56 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September in Maplewood is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are September temperatures in Maplewood?
What is the average humidity in September in Maplewood?
How much does it rain in Maplewood in September?
When it does not snow in Maplewood?
How many hours of daylight does Maplewood have in September?
When are sunrise and sunset in September in Maplewood?
How long on average sun shines in September in Maplewood?
What is the UV index reading in September in Maplewood?
Average temperature in September
Maplewood, MO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Maplewood, 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 (29.92"Hg).
Average wind speed in September
Maplewood, MO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Maplewood, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Maplewood, MO
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in September
Maplewood, MO
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in September
Maplewood, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Maplewood, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Maplewood, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Maplewood, MO
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
Maplewood, 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 and December (UV index 2).
Average cloud cover in September
Maplewood, MO
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Maplewood, 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).
Maplewood, Missouri, USA
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