September weather forecastKhost, Afghanistan
September
Weather in September
September greets Khost with the onset of autumn, bringing with it milder weather. An average drop to 19.5°C (67.1°F) for lows and 28.9°C (84°F) for highs are noticeable indications of the changing season. Rainfall drops to its annual low of 3mm (0.12") over just 2.2 days, and wind speed also decreases slightly with an average of 7.8km/h (4.8mph). Coinciding with this, cloud coverage decreases to only 6%, offering clear, sunny skies for majority of the month. Despite the reduced rainfall, Khost maintains an agreeable level of relative humidity averaging 39%.Temperature
September's average high-temperature stands at a moderately hot 28.9°C (84°F), showing little deviation from August's 31.4°C (88.5°F). During September, Khost experiences an average low-temperature of 19.5°C (67.1°F) at night.Humidity
In September, the average relative humidity in Khost is 39%.Rainfall
In Khost, in September, during 2.2 rainfall days, 3mm (0.12") of precipitation is typically accumulated. In Khost, during the entire year, the rain falls for 66.7 days and collects up to 217mm (8.54") of precipitation.Snowfall
March through December are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 05:24 and sunset at 18:15. On the last day of the month, sunrise is at 05:44 and sunset at 17:36 +0430.
Sunshine
The average sunshine in September is 10.8h.UV index
The average daily maximum UV index in September in Khost is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: An average UV index of 6 in September transforms into this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Khost, Afghanistan
- Average high temperature in September: 28.9°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (10.2°C).
- Average low temperature in September: 19.5°C
The month with the highest average low temperature is July (23.5°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in September
Khost, Afghanistan
- Average pressure in September: 1008.5mbar
The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is July (1001.5mbar).
Average wind speed in September
Khost, Afghanistan
- Average wind speed in September: 7.8km/h
The windiest months (with the highest average wind speed) are June and July (9.5km/h).
The calmest months (with the lowest average wind speed) are November and December (6.2km/h).
Average humidity in September
Khost, Afghanistan
- Average humidity in September: 39%
The month with the highest relative humidity is August (47%).
The month with the lowest relative humidity is June (27%).
Average rainfall in September
Khost, Afghanistan
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (51mm).
The driest month (with the least rainfall) is December (1mm).
Average rainfall days in September
Khost, Afghanistan
- Average rainfall days in September: 2.2 days
The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is December (1.4 days).
Average snowfall in September
Khost, Afghanistan
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Khost, Afghanistan
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Khost, Afghanistan
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 7h and 6min).
Average sunshine days in September
Khost, Afghanistan
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is December (29.4 days).
The month with the least sunshine days is July (18 days).
Average UV index in September
Khost, Afghanistan
- Average UV index in September: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in September
Khost, Afghanistan
- Average cloud cover in September: 6
The month with the most cloud cover is March (Cloud cover 21).
The months with the least cloud cover are September and October (Cloud cover 6).
Average visibility in September
Khost, Afghanistan
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
