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
During the shift to September, Bridgewater records a mild decrease in average high-temperature, moving from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.3°F (23.5°C). Throughout September, Bridgewater records an average temperature of 53.4°F (11.9°C) at night.Humidity
In Bridgewater, South Dakota, the average relative humidity in September is 70%.Rainfall
In Bridgewater, in September, during 11.7 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Bridgewater, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Bridgewater, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:54 am and sunset at 8:04 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:12 pm CDT.
Sunshine
In Bridgewater, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are September temperatures in Bridgewater?
What is the average humidity in September in Bridgewater?
How many days does it rain in September in Bridgewater?
When it does not snow in Bridgewater?
Does it snow in Bridgewater in September?
What is the average length of the day in September in Bridgewater?
What time are sunrise and sunset in September in Bridgewater?
How many hours of sunshine does Bridgewater have in September?
How high is the UV index in September in Bridgewater?
Average temperature in September
Bridgewater, SD
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in September
Bridgewater, SD
- Average pressure in September: 29.97"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Bridgewater, SD
- Average wind speed in September: 9.5mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Bridgewater, SD
- Average humidity in September: 70%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Bridgewater, SD
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in September
Bridgewater, SD
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Bridgewater, SD
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bridgewater, SD
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bridgewater, SD
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Bridgewater, SD
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Bridgewater, SD
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Bridgewater, SD
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Bridgewater, SD
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Bridgewater, South Dakota, USA
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