September weather forecastKatti, Nepal

September

Weather in September

September, the first month of the autumn in Katti, is also a moderately hot month, with an average temperature ranging between min 19.3°C (66.7°F) and max 28.5°C (83.3°F).

Temperature

Katti's shift into September sets the average high-temperature at a still warm 28.5°C (83.3°F), a figure that deviates only slightly from August's 29°C (84.2°F). Katti's average low-temperature in the month of September is recorded at an enjoyable 19.3°C (66.7°F).

Heat index

The average heat index in September is estimated at a tropical 33°C (91.4°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In Katti, the average relative humidity in September is 80%.

Rainfall

In Katti, Nepal, in September, it is raining for 24.6 days, with typically 163mm (6.42") of accumulated precipitation. Throughout the year, there are 146.7 rainfall days, and 1028mm (40.47") of precipitation is accumulated.

Daylight

In Katti, the average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 5:55 am and sunset at 6:39 pm. On the last day of September, sunrise is at 6:10 am and sunset at 6:04 pm +0545.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Katti, the average daily maximum UV index in September 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: A maximum daily UV index of 6 during September morphs into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

An average high-temperature, in September, in Katti, is 28.5°C (83.3°F) and the average low-temperature is 19.3°C (66.7°F). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 33°C (91.4°F).

In September, the average relative humidity is 80%.

In Katti, in September, it is raining for 24.6 days, with typically 163mm (6.42") of accumulated precipitation.

The average day length in September is 12h and 20min.

In September, on the first day of the month, sunrise is at 5:55 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 6:04 pm +0545.

The average sunshine duration in September is 9.3h.

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Katti, 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
Katti, 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
Katti, 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
Katti, 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
Katti, 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
Katti, 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
Katti, Nepal

  • Average daylight in September: 12h and 18min

The month with the longest days is June (Average daylight: 13h and 54min).
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
Katti, 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
Katti, 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
Katti, 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
Katti, 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).