September weather forecastAchham, Nepal
September
Weather in September
The first month of the autumn, September, is still a warm month in Achham, Nepal, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 19.3°C (66.7°F).Temperature
Achham's shift into September is marked by a subtle change to a still warm 28.5°C (83.3°F) from August's 29°C (84.2°F) in temperature. September nights are marked by an average temperature drop to an enjoyable 19.3°C (66.7°F).Heat index
September's average heat index is computed to be a hot 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
In September, the average relative humidity is 80%.Rainfall
In Achham, Nepal, during September, the rain falls for 24.6 days and regularly aggregates up to 163mm (6.42") of precipitation. Throughout the year, there are 146.7 rainfall days, and 1028mm (40.47") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 20min.On the first day of September, sunrise is at 5:57 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 6:07 pm +0545.
Sunshine
The average sunshine in September is 9.3h.UV index
In Achham, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Achham, Nepal
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is May (34.6°C).
The month with the lowest average high temperature is January (18.8°C).
- Average low temperature in September: 19.3°C
The month with the highest average low temperature is June (22.9°C).
The coldest month (with the lowest average low temperature) is January (5.5°C).
Average pressure in September
Achham, Nepal
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is July (1003.5mbar).
Average wind speed in September
Achham, Nepal
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is April (9km/h).
The calmest month (with the lowest average wind speed) is August (4.6km/h).
Average humidity in September
Achham, Nepal
- Average humidity in September: 80%
The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is April (29%).
Average rainfall in September
Achham, Nepal
- Average rainfall in September: 163mm
The wettest month (with the highest rainfall) is July (338mm).
The driest month (with the least rainfall) is November (1mm).
Average rainfall days in September
Achham, Nepal
- Average rainfall days in September: 24.6 days
The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is November (1 days).
Average daylight in September /
Average sunshine in September
Achham, Nepal
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is May (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Achham, Nepal
- Average sunshine days in September: 2 days
The month with the most sunshine days is December (28.7 days).
The month with the least sunshine days is August (1 days).
Average UV index in September
Achham, Nepal
- Average UV index in September: 6
The months with the highest UV index are April, May and June (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in September
Achham, Nepal
- Average cloud cover in September: 33
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is November (Cloud cover 5).
Average visibility in September
Achham, Nepal
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).
