September weather forecast
Frith, Montserrat

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Weather in September

September brings a slight rise in temperatures reaching an average high of 28.9°C (84°F), forming the warmest month of the year. As the summer continues, the scenery evolves with the changing weather. Despite a reduction in wind speed to 20.5km/h (12.7mph), the high humidity is kept in balance. The landscape, dotted with tropical flora, offers picture-perfect views in the ample daylight. The cooling temperatures in the latter part of the month indicate the inception of the anticipated autumn season.

Temperature

September, recording an average high temperature of 28.9°C (84°F) and a low temperature of 27.8°C (82°F), is Frith's warmest month.

Heat index

Throughout September, the heat index is evaluated at a tropical 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. 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 Frith, the average relative humidity in September is 76%.

Rainfall

In Frith, in September, it is raining for 23.2 days, with typically 87mm (3.43") of accumulated precipitation. In Frith, Montserrat, during the entire year, the rain falls for 266.4 days and collects up to 724mm (28.5") of precipitation.

Daylight

In September, the average length of the day in Frith is 12h and 13min.
On the first day of September, sunrise is at 05:55 and sunset at 18:21. On the last day of the month, sunrise is at 05:58 and sunset at 17:58 AST.

Sunshine

In September, the average sunshine in Frith is 10.8h.

UV index

The months with the highest UV index in Frith are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Frith are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

What is the warmest month in Frith?

The warmest period in Frith, Montserrat, tends to be September, when average temperatures fluctuate between a high of 28.9°C (84°F) and a low of 27.8°C (82°F).

How hot is it in Frith in September?

In Frith, 28.9°C (84°F) is the average high-temperature and 27.8°C (82°F) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 34°C (93.2°F).

What is the average humidity in September in Frith?

In Frith, the average relative humidity in September is 76%.

How many days does it rain in September in Frith?

In Frith, Montserrat, during September, the rain falls for 23.2 days and regularly aggregates up to 87mm (3.43") of precipitation.

What is the average length of the day in September in Frith?

The average day length in September in Frith is 12h and 13min.

When are sunrise and sunset in September in Frith?

On the first day of September in Frith, sunrise is at 05:55 and sunset at 18:21. On the last day of the month, sunrise is at 05:58 and sunset at 17:58 AST.

How many hours of sunshine does Frith have in September?

The average sunshine duration in September in Frith, Montserrat, is 10.8h.

When is the highest UV index in Frith?

The months with the highest UV index in Frith, Montserrat, are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Frith?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Frith, Montserrat.

What is the UV index reading in September in Frith?

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Average temperature in September
Frith, Montserrat

Average temperature in September - Frith, Montserrat
  • Average high temperature in September: 28.9°C

The warmest month (with the highest average high temperature) is September (28.9°C).
The month with the lowest average high temperature is March (26.1°C).

  • Average low temperature in September: 27.8°C

The month with the highest average low temperature is September (27.8°C).
The coldest month (with the lowest average low temperature) is February (24.9°C).

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Average pressure in September
Frith, Montserrat

Average pressure in September - Frith, Montserrat
  • Average pressure in September: 1013.1mbar

The months with the highest atmospheric pressure are January and June (1016mbar).
The months with the lowest atmospheric pressure are October and November (1012.4mbar).

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Average wind speed in September
Frith, Montserrat

Average wind speed in September - Frith, Montserrat
  • Average wind speed in September: 20.5km/h

The windiest month (with the highest average wind speed) is July (27km/h).
The calmest month (with the lowest average wind speed) is October (19.8km/h).

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Average humidity in September
Frith, Montserrat

Average humidity in September - Frith, Montserrat
  • Average humidity in September: 76%

The months with the highest relative humidity are May, July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).

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Average rainfall in September
Frith, Montserrat

Average rainfall in September - Frith, Montserrat
  • Average rainfall in September: 87mm

The wettest month (with the highest rainfall) is October (101mm).
The driest months (with the least rainfall) are February and March (27mm).

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Average rainfall days in September
Frith, Montserrat

Average rainfall days in September - Frith, Montserrat
  • Average rainfall days in September: 23.2 days

The month with the highest number of rainy days is December (24.4 days).
The month with the least rainy days is March (18.7 days).

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Average daylight in September /
Average sunshine in September
Frith, Montserrat

Average daylight in September / Average sunshine in September - Frith, Montserrat
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 10h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).

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Average sunshine days in September
Frith, Montserrat

Average sunshine days in September - Frith, Montserrat
  • Average sunshine days in September: 3.9 days

The month with the most sunshine days is March (5.9 days).
The month with the least sunshine days is July (1.8 days).

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Average UV index in September
Frith, Montserrat

Average UV index in September - Frith, Montserrat
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

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Average cloud cover in September
Frith, Montserrat

Average cloud cover in September - Frith, Montserrat
  • Average cloud cover in September: 35

The months with the most cloud cover are June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 31).

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Average visibility in September
Frith, Montserrat

Average visibility in September - Frith, Montserrat
  • 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).

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Frith, Montserrat

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