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
Grimms Landing's transition into September involves a gentle shift in temperature, receding from a moderately hot 85.5°F (29.7°C) in August to a still warm 79°F (26.1°C). An average low-temperature of 57.7°F (14.3°C) is recorded in the month of September in Grimms Landing.Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.77" (45mm) of precipitation.Snowfall
May through September are months without snowfall in Grimms Landing.Daylight
In September, the average length of the day in Grimms Landing, West Virginia, is 12h and 26min.On the first day of September, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:11 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Grimms Landing, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are September temperatures in Grimms Landing?
What is the average humidity in September in Grimms Landing?
What is the driest month in Grimms Landing?
How many days does it rain in September in Grimms Landing?
When it does not snow in Grimms Landing?
Does it snow in Grimms Landing in September?
How many hours of daylight does Grimms Landing have in September?
When is the sunrise / sunset in September in Grimms Landing?
How long on average sun shines in September in Grimms Landing?
What is the UV index intensity in September in Grimms Landing?
Average temperature in September
Grimms Landing, WV
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Grimms Landing, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Grimms Landing, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Grimms Landing, WV
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grimms Landing, WV
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Grimms Landing, WV
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Grimms Landing, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Grimms Landing, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grimms Landing, WV
- 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Grimms Landing, WV
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in September
Grimms Landing, WV
- Average UV index in September: 4
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
Grimms Landing, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Grimms Landing, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Grimms Landing, West Virginia, USA
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