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
The transition into September indicates a reduction in the average high-temperature, down to an agreeable 71.4°F (21.9°C) from August's warm 81.7°F (27.6°C). Throughout September, Gladstone registers a consistent average low-temperature of 52.7°F (11.5°C).Humidity
In Gladstone, the average relative humidity in September is 52%.Rainfall
In Gladstone, in September, it is raining for 8.2 days, with typically 1.5" (38mm) of accumulated precipitation. In Gladstone, North Dakota, during the entire year, the rain falls for 90.5 days and collects up to 13.78" (350mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:31 pm MDT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gladstone 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?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Gladstone have in September?
What is the UV index reading in September?
Average temperature in September
Gladstone, ND
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in September
Gladstone, ND
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Gladstone, ND
- Average wind speed in September: 10.5mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).
Average humidity in September
Gladstone, ND
- Average humidity in September: 52%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (51%).
Average rainfall in September
Gladstone, ND
- Average rainfall in September: 1.5"
The wettest months (with the highest rainfall) are May and July (1.93").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in September
Gladstone, ND
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is June (12.9 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Gladstone, ND
- Average snowfall in September: 0"
The month with the highest snowfall is November (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gladstone, ND
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Gladstone, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 24min).
Average sunshine days in September
Gladstone, ND
- Average sunshine days in September: 19.9 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is April (14.4 days).
Average UV index in September
Gladstone, ND
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Gladstone, ND
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in September
Gladstone, ND
- 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).
Gladstone, North Dakota, USA
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