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
In September, the meteorological conditions change slightly, with the average high-temperature moving from 81.1°F (27.3°C) in August to a still moderately hot 74.3°F (23.5°C). Dolton's temperature in September lowers to a consistent average of 53.4°F (11.9°C) during the nights.Humidity
In Dolton, the average relative humidity in September is 70%.Rainfall
In Dolton, in September, it is raining for 11.7 days, with typically 2.05" (52mm) of accumulated precipitation. In Dolton, 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 in Dolton.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Dolton, South Dakota, sunrise is at 6:54 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine in Dolton is 8.7h.UV index
In Dolton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for Dolton in September?
What is the average humidity in September in Dolton?
How many days does it rain in September in Dolton?
When it does not snow in Dolton?
Does it snow in Dolton in September?
How many hours of daylight does Dolton have in September?
What time are sunrise and sunset in September in Dolton?
How many hours of sunshine does Dolton have in September?
What is the UV index reading in September in Dolton?
Average temperature in September
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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
Dolton, 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).
Dolton, South Dakota, USA
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