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September Weather in Gilmanton, United States

Last updated: June 24, 2025

In Gilmanton, United States, the average temperature in September hovers around 17°C (63°F), offering a pleasant climate for outdoor activities. Expect a minimum temperature of 2°C (35°F) and soaring to a maximum of 32°C (91°F). However, be prepared for precipitation totaling 68 mm (2.7 in) over approximately 7 days, and a comfortable average humidity level of 71%.

September Temperature in Gilmanton

In September in Gilmanton, the average temperature is 17°C (63°F). Maximum can reach 32°C (91°F), and minimum can be as low as 2°C (35°F). This climate makes Gilmanton an ideal destination for travelers seeking a mix of warm days and cool evenings.

September Weather in Gilmanton: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Gilmanton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gilmanton, September typically has an average temperature of 17°C (63°F), with highs reaching up to 32°C (91°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445666727063523728
Data source: Temperature data for Gilmanton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Gilmanton

In Gilmanton in September, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.

September Precipitation Trends in Gilmanton

The chart displays monthly precipitation patterns in Gilmanton, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Gilmanton, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec74837513079941388968127113119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gilmanton

In Gilmanton in September, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

September Average Humidity in Gilmanton

This chart illustrates the average monthly humidity levels in Gilmanton, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Gilmanton is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gilmanton

In Gilmanton in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Gilmanton.

Maximum UV Index Levels in Gilmanton for September

The chart shows the monthly maximum UV Index (UVI) for Gilmanton in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Gilmanton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: Gilmanton September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Gilmanton Compares to Other Months

Weather in Gilmanton varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gilmanton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Gilmanton, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)74 mm (2.9 inches)86%moderate
February Weather-3°C (26°F)83 mm (3.3 inches)84%moderate
March Weather0°C (33°F)75 mm (3.0 inches)82%moderate
April Weather7°C (44°F)130 mm (5.1 inches)80%very high
May Weather13°C (56°F)79 mm (3.1 inches)72%very high
June Weather19°C (67°F)94 mm (3.7 inches)72%very high
July Weather22°C (72°F)138 mm (5.4 inches)67%very high
August Weather21°C (70°F)89 mm (3.5 inches)66%very high
September Weather17°C (63°F)68 mm (2.7 inches)71%high
October Weather11°C (52°F)127 mm (5.0 inches)78%moderate
November Weather3°C (38°F)113 mm (4.5 inches)84%moderate
December Weather-2°C (28°F)119 mm (4.7 inches)81%low

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