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September Weather in White Mountain Lake, United States

Last updated: June 24, 2025

In September, the average temperature in White Mountain Lake, United States hovers around 19°C (67°F), with minimums dipping to 3°C (38°F) and maximums soaring to 34°C (93°F). Expect an average precipitation of 30 mm (1.2 in) over about 5 days, alongside a comfortable average humidity of 59%.

September Temperature in White Mountain Lake

In September in White Mountain Lake, the average temperature is 19°C (67°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 3°C (38°F). This climate makes it an ideal destination for travelers seeking a mix of warm days and cooler evenings.

September Weather in White Mountain Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in White Mountain Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In White Mountain Lake, September typically has an average temperature of 19°C (67°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec363845546173737267564737
Data source: Temperature data for White Mountain Lake 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 White Mountain Lake

In White Mountain Lake in September, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

September Precipitation Trends in White Mountain Lake

The chart displays monthly precipitation patterns in White Mountain Lake, 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 White Mountain Lake, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec39433613167883730261932
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in White Mountain Lake

In White Mountain Lake in September humidity is 59%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace that can be refreshing during sightseeing but may feel a bit sticky if you're on the move for extended periods.

September Average Humidity in White Mountain Lake

This chart illustrates the average monthly humidity levels in White Mountain Lake, 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 White Mountain Lake is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%72%63%46%35%33%41%59%70%79%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in White Mountain Lake

In White Mountain Lake in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in White Mountain Lake.

Maximum UV Index Levels in White Mountain Lake for September

The chart shows the monthly maximum UV Index (UVI) for White Mountain Lake 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 White Mountain Lake typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211865
Data source: White Mountain Lake 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 White Mountain Lake Compares to Other Months

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

This table compares monthly weather conditions in White Mountain Lake, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)39 mm (1.6 inches)80%moderate
February Weather4°C (39°F)43 mm (1.7 inches)83%high
March Weather7°C (45°F)36 mm (1.4 inches)72%very high
April Weather12°C (54°F)13 mm (0.5 inches)63%extreme
May Weather16°C (61°F)16 mm (0.6 inches)46%extreme
June Weather23°C (73°F)7 mm (0.3 inches)35%extreme
July Weather23°C (74°F)88 mm (3.5 inches)33%extreme
August Weather22°C (72°F)37 mm (1.5 inches)41%extreme
September Weather19°C (67°F)30 mm (1.2 inches)59%extreme
October Weather13°C (56°F)26 mm (1.0 inches)70%very high
November Weather8°C (47°F)19 mm (0.7 inches)79%high
December Weather3°C (37°F)32 mm (1.3 inches)82%moderate

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