September weather forecast
Mae Hong Son, Thailand

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Weather in September

September brings about a gradual decline in the rainfall, compared to the heavy showers of August. This shift in weather leads to shorter showers, escalating the appeal of Mae Hong Son. Even though there's a slight decrease in sunshine hours, days are still long and full of light. The city experiences a blend of warmth and cool breezes, making it a wonderful time to admire Mae Hong Son. A walk along the city's paths in the post-rain ambiance is a soothing experience worth experiencing.

Temperature

The advent of September in Mae Hong Son denotes an average high-temperature of a still hot 32.8°C (91°F), subtly different from August's 32°C (89.6°F). In September, the average low-temperature in Mae Hong Son records at a warm 23°C (73.4°F) during the nights.

Heat index

The heat index for September is calculated to be a burning hot 49°C (120.2°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

August and September, with an average relative humidity of 83%, are the most humid months in Mae Hong Son.

Rainfall

In Mae Hong Son, Thailand, during September, the rain falls for 20 days and regularly aggregates up to 199mm (7.83") of precipitation. In Mae Hong Son, during the entire year, the rain falls for 138 days and collects up to 1292mm (50.87") of precipitation.

Daylight

In Mae Hong Son, the average length of the day in September is 12h and 15min.
On the first day of the month, sunrise is at 06:13 and sunset at 18:43. On the last day of September, in Mae Hong Son, sunrise is at 06:18 and sunset at 18:17 +07.

Sunshine

The months with the least sunshine in Mae Hong Son are June through September, with an average of 5h of sunshine.

UV index

The months with the highest UV index in Mae Hong Son are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 12 in September translates into the following recommendations:
Implement all key precautions. Warding off sun damage is critical. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Broad-spectrum SPF 30+ sunscreen must be generously applied and reapplied every two hours or post any outdoor activity or swim.
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Frequently asked questions

How hot does it get in Mae Hong Son in September?

In Mae Hong Son, 32.8°C (91°F) is the average high-temperature and 23°C (73.4°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 49°C (120.2°F).

What is the most humid month in Mae Hong Son?

August and September, with an average relative humidity of 83%, are most humid months in Mae Hong Son, Thailand.

What is the average humidity in September in Mae Hong Son?

In Mae Hong Son, Thailand, the average relative humidity in September is 83%.

How many days does it rain in September in Mae Hong Son?

In Mae Hong Son, Thailand, during September, the rain falls for 20 days and regularly aggregates up to 199mm (7.83") of precipitation.

How many hours of daylight does Mae Hong Son have in September?

The average day length in September in Mae Hong Son is 12h and 15min.

What time are sunrise and sunset in September in Mae Hong Son?

In September, on the first day of the month, sunrise is at 06:13 and sunset at 18:43. On the last day of the month, in Mae Hong Son, Thailand, sunrise is at 06:18 and sunset at 18:17 +07.

What is the month with the least sunshine in Mae Hong Son?

June through September, with an average of 5h of sunshine, are months with the least sunshine in Mae Hong Son.

How many hours of sunshine does Mae Hong Son have in September?

In September, the average sunshine duration is 5h.

What are the months with the highest UV index in Mae Hong Son?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in September in Mae Hong Son?

In Mae Hong Son, Thailand, the average daily maximum UV index in September is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Mae Hong Son, Thailand

Average temperature in September - Mae Hong Son, Thailand
  • Average high temperature in September: 32.8°C

The warmest month (with the highest average high temperature) is April (38.7°C).
The month with the lowest average high temperature is December (29°C).

  • Average low temperature in September: 23°C

The month with the highest average low temperature is June (23.7°C).
The coldest month (with the lowest average low temperature) is January (13.8°C).

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Average humidity in September
Mae Hong Son, Thailand

Average humidity in September - Mae Hong Son, Thailand
  • Average humidity in September: 83%

The months with the highest relative humidity are August and September (83%).
The months with the lowest relative humidity are March and April (55%).

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Average rainfall in September
Mae Hong Son, Thailand

Average rainfall in September - Mae Hong Son, Thailand
  • Average rainfall in September: 199mm

The wettest month (with the highest rainfall) is August (239.3mm).
The driest month (with the least rainfall) is February (6mm).

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Average rainfall days in September
Mae Hong Son, Thailand

Average rainfall days in September - Mae Hong Son, Thailand
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is August (26 days).
The months with the least rainy days are January, February and March (1 days).

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Average daylight in September /
Average sunshine in September
Mae Hong Son, Thailand

Average daylight in September / Average sunshine in September - Mae Hong Son, Thailand
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 5h

The months with the most sunshine are February and March (Average sunshine: 10h).
The months with the least sunshine are June, July, August and September (Average sunshine: 5h).

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Average UV index in September
Mae Hong Son, Thailand

Average UV index in September - Mae Hong Son, Thailand
  • Average UV index in September: 12

The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The months with the lowest UV index are January and December (UV index 8).

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Mae Hong Son, Thailand

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